Remove unnecessary checks

Adds cycle detection to prevent infinite loops when evaluating profile groups.

This ensures that profile group configurations don't result in stack overflow errors when groups reference each other, directly or indirectly.

v2rayN/Directory.Packages.props

@@ -6,10 +6,10 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Avalonia.AvaloniaEdit" Version="11.3.0" />
-    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.3.7" />
-    <PackageVersion Include="Avalonia.Desktop" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.Desktop" Version="11.3.7" />
-    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.7" />
-    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.7" />
     <PackageVersion Include="CliWrap" Version="3.9.0" />
     <PackageVersion Include="Downloader" Version="4.0.3" />
     <PackageVersion Include="H.NotifyIcon.Wpf" Version="2.3.0" />
@@ -19,9 +19,9 @@
     <PackageVersion Include="ReactiveUI" Version="20.4.1" />
     <PackageVersion Include="ReactiveUI.Fody" Version="19.5.41" />
     <PackageVersion Include="ReactiveUI.WPF" Version="20.4.1" />
-    <PackageVersion Include="Semi.Avalonia" Version="11.2.1.10" />
+    <PackageVersion Include="Semi.Avalonia" Version="11.3.7" />
     <PackageVersion Include="Semi.Avalonia.AvaloniaEdit" Version="11.2.0.1" />
-    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.2.1.10" />
+    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.3.7" />
     <PackageVersion Include="NLog" Version="6.0.4" />
     <PackageVersion Include="sqlite-net-pcl" Version="1.9.172" />
     <PackageVersion Include="TaskScheduler" Version="2.12.2" />

v2rayN/ServiceLib/Common/ProcUtils.cs

@@ -67,116 +67,4 @@ public static class ProcUtils
             Logging.SaveLog(_tag, ex);
         }
     }
-
-    public static async Task ProcessKill(int pid)
-    {
-        try
-        {
-            await ProcessKill(Process.GetProcessById(pid), false);
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-    }
-
-    public static async Task ProcessKill(Process? proc, bool review)
-    {
-        if (proc is null)
-        {
-            return;
-        }
-
-        GetProcessKeyInfo(proc, review, out var procId, out var fileName, out var processName);
-
-        try
-        {
-            if (Utils.IsNonWindows())
-            {
-                proc?.Kill(true);
-            }
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-
-        try
-        {
-            proc?.Kill();
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-
-        try
-        {
-            proc?.Close();
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-
-        try
-        {
-            proc?.Dispose();
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-
-        await Task.Delay(300);
-        await ProcessKillByKeyInfo(review, procId, fileName, processName);
-    }
-
-    private static void GetProcessKeyInfo(Process? proc, bool review, out int? procId, out string? fileName, out string? processName)
-    {
-        procId = null;
-        fileName = null;
-        processName = null;
-        if (!review)
-        {
-            return;
-        }
-        try
-        {
-            procId = proc?.Id;
-            fileName = proc?.MainModule?.FileName;
-            processName = proc?.ProcessName;
-        }
-        catch (Exception ex)
-        {
-            Logging.SaveLog(_tag, ex);
-        }
-    }
-
-    private static async Task ProcessKillByKeyInfo(bool review, int? procId, string? fileName, string? processName)
-    {
-        if (review && procId != null && fileName != null)
-        {
-            try
-            {
-                var lstProc = Process.GetProcessesByName(processName);
-                foreach (var proc2 in lstProc)
-                {
-                    if (proc2.Id == procId)
-                    {
-                        Logging.SaveLog($"{_tag}, KillProcess not completing the job, procId");
-                        await ProcessKill(proc2, false);
-                    }
-                    if (proc2.MainModule != null && proc2.MainModule?.FileName == fileName)
-                    {
-                        Logging.SaveLog($"{_tag}, KillProcess not completing the job, fileName");
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                Logging.SaveLog(_tag, ex);
-            }
-        }
-    }
 }

v2rayN/ServiceLib/Common/Utils.cs

@@ -85,13 +85,19 @@ public class Utils
     /// Base64 Encode
     /// </summary>
     /// <param name="plainText"></param>
+    /// <param name="removePadding"></param>
     /// <returns></returns>
-    public static string Base64Encode(string plainText)
+    public static string Base64Encode(string plainText, bool removePadding = false)
     {
         try
         {
             var plainTextBytes = Encoding.UTF8.GetBytes(plainText);
-            return Convert.ToBase64String(plainTextBytes);
+            var base64 = Convert.ToBase64String(plainTextBytes);
+            if (removePadding)
+            {
+                base64 = base64.TrimEnd('=');
+            }
+            return base64;
         }
         catch (Exception ex)
         {
@@ -112,7 +118,7 @@ public class Utils
         {
             if (plainText.IsNullOrEmpty())
             {
-                return "";
+                return string.Empty;
             }
 
             plainText = plainText.Trim()
@@ -947,7 +953,7 @@ public class Utils
         if (SetUnixFileMode(fileName))
         {
             Logging.SaveLog($"Successfully set the file execution permission, {fileName}");
-            return "";
+            return string.Empty;
         }
 
         if (fileName.Contains(' '))

v2rayN/ServiceLib/Common/WindowsJob.cs

@@ -7,11 +7,11 @@ namespace ServiceLib.Common;
      * http://stackoverflow.com/questions/6266820/working-example-of-createjobobject-setinformationjobobject-pinvoke-in-net
      */
 
-    public sealed class Job : IDisposable
+    public sealed class WindowsJob : IDisposable
     {
         private IntPtr handle = IntPtr.Zero;
 
-        public Job()
+        public WindowsJob()
         {
             handle = CreateJobObject(IntPtr.Zero, null);
             var extendedInfoPtr = IntPtr.Zero;
@@ -94,7 +94,7 @@ namespace ServiceLib.Common;
             }
         }
 
-        ~Job()
+        ~WindowsJob()
         {
             Dispose(false);
         }

v2rayN/ServiceLib/Enums/EConfigType.cs

@@ -12,5 +12,9 @@ public enum EConfigType
     TUIC = 8,
     WireGuard = 9,
     HTTP = 10,
-    Anytls = 11
+    Anytls = 11,
+
+    Group = 1000,
+    PolicyGroup = 1001,
+    ProxyChain = 1002,
 }

v2rayN/ServiceLib/Enums/EMultipleLoad.cs

@@ -2,8 +2,9 @@ namespace ServiceLib.Enums;
 
 public enum EMultipleLoad
 {
+    LeastPing,
+    Fallback,
     Random,
     RoundRobin,
-    LeastPing,
     LeastLoad
 }

v2rayN/ServiceLib/Enums/EViewAction.cs

@@ -23,6 +23,7 @@ public enum EViewAction
     RoutingRuleDetailsWindow,
     AddServerWindow,
     AddServer2Window,
+    AddGroupServerWindow,
     DNSSettingWindow,
     RoutingSettingWindow,
     OptionSettingWindow,

v2rayN/ServiceLib/Global.cs

@@ -50,6 +50,7 @@ public class Global
     public const string DirectTag = "direct";
     public const string BlockTag = "block";
     public const string DnsTag = "dns-module";
+    public const string BalancerTagSuffix = "-round";
     public const string StreamSecurity = "tls";
     public const string StreamSecurityReality = "reality";
     public const string Loopback = "127.0.0.1";

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -357,6 +357,11 @@ public static class ConfigHandler
                 {
                 }
             }
+            else if (profileItem.ConfigType > EConfigType.Group)
+            {
+                var profileGroupItem = await AppManager.Instance.GetProfileGroupItem(it.IndexId);
+                await AddGroupServerCommon(config, profileItem, profileGroupItem, true);
+            }
             else
             {
                 await AddServerCommon(config, profileItem, true);
@@ -1074,6 +1079,37 @@ public static class ConfigHandler
         return 0;
     }
 
+    public static async Task<int> AddGroupServerCommon(Config config, ProfileItem profileItem, ProfileGroupItem profileGroupItem, bool toFile = true)
+    {
+        var maxSort = -1;
+        if (profileItem.IndexId.IsNullOrEmpty())
+        {
+            profileItem.IndexId = Utils.GetGuid(false);
+            maxSort = ProfileExManager.Instance.GetMaxSort();
+        }
+        var groupType = profileItem.ConfigType == EConfigType.ProxyChain ? EConfigType.ProxyChain.ToString() : profileGroupItem.MultipleLoad.ToString();
+        profileItem.Address = $"{profileItem.CoreType}-{groupType}";
+        if (maxSort > 0)
+        {
+            ProfileExManager.Instance.SetSort(profileItem.IndexId, maxSort + 1);
+        }
+        if (toFile)
+        {
+            await SQLiteHelper.Instance.ReplaceAsync(profileItem);
+            if (profileGroupItem != null)
+            {
+                profileGroupItem.ParentIndexId = profileItem.IndexId;
+                await ProfileGroupItemManager.Instance.SaveItemAsync(profileGroupItem);
+            }
+            else
+            {
+                ProfileGroupItemManager.Instance.GetOrCreateAndMarkDirty(profileItem.IndexId);
+                await ProfileGroupItemManager.Instance.SaveTo();
+            }
+        }
+        return 0;
+    }
+
     /// <summary>
     /// Compare two profile items to determine if they represent the same server
     /// Used for deduplication and server matching
@@ -1145,7 +1181,7 @@ public static class ConfigHandler
     }
 
     /// <summary>
-    /// Create a custom server that combines multiple servers for load balancing
+    /// Create a group server that combines multiple servers for load balancing
     /// Generates a configuration file that references multiple servers
     /// </summary>
     /// <param name="config">Current configuration</param>
@@ -1153,45 +1189,54 @@ public static class ConfigHandler
     /// <param name="coreType">Core type to use (Xray or sing_box)</param>
     /// <param name="multipleLoad">Load balancing algorithm</param>
     /// <returns>Result object with success state and data</returns>
-    public static async Task<RetResult> AddCustomServer4Multiple(Config config, List<ProfileItem> selecteds, ECoreType coreType, EMultipleLoad multipleLoad)
+    public static async Task<RetResult> AddGroupServer4Multiple(Config config, List<ProfileItem> selecteds, ECoreType coreType, EMultipleLoad multipleLoad, string? subId)
     {
-        var indexId = Utils.GetMd5(Global.CoreMultipleLoadConfigFileName);
+        var result = new RetResult();
-        var configPath = Utils.GetConfigPath(Global.CoreMultipleLoadConfigFileName);
 
-        var result = await CoreConfigHandler.GenerateClientMultipleLoadConfig(config, configPath, selecteds, coreType, multipleLoad);
+        var indexId = Utils.GetGuid(false);
-        if (result.Success != true)
+        var childProfileIndexId = Utils.List2String(selecteds.Select(p => p.IndexId).ToList());
-        {
-            return result;
-        }
 
-        if (!File.Exists(configPath))
+        var remark = subId.IsNullOrEmpty() ? string.Empty : $"{(await AppManager.Instance.GetSubItem(subId)).Remarks} ";
-        {
-            return result;
-        }
-
-        var profileItem = await AppManager.Instance.GetProfileItem(indexId) ?? new();
-        profileItem.IndexId = indexId;
         if (coreType == ECoreType.Xray)
         {
-            profileItem.Remarks = multipleLoad switch
+            remark += multipleLoad switch
             {
-                EMultipleLoad.Random => ResUI.menuSetDefaultMultipleServerXrayRandom,
+                EMultipleLoad.LeastPing => ResUI.menuGenGroupMultipleServerXrayLeastPing,
-                EMultipleLoad.RoundRobin => ResUI.menuSetDefaultMultipleServerXrayRoundRobin,
+                EMultipleLoad.Fallback => ResUI.menuGenGroupMultipleServerXrayFallback,
-                EMultipleLoad.LeastPing => ResUI.menuSetDefaultMultipleServerXrayLeastPing,
+                EMultipleLoad.Random => ResUI.menuGenGroupMultipleServerXrayRandom,
-                EMultipleLoad.LeastLoad => ResUI.menuSetDefaultMultipleServerXrayLeastLoad,
+                EMultipleLoad.RoundRobin => ResUI.menuGenGroupMultipleServerXrayRoundRobin,
-                _ => ResUI.menuSetDefaultMultipleServerXrayRoundRobin,
+                EMultipleLoad.LeastLoad => ResUI.menuGenGroupMultipleServerXrayLeastLoad,
+                _ => ResUI.menuGenGroupMultipleServerXrayRoundRobin,
             };
         }
         else if (coreType == ECoreType.sing_box)
         {
-            profileItem.Remarks = ResUI.menuSetDefaultMultipleServerSingBoxLeastPing;
+            remark += multipleLoad switch
+            {
+                EMultipleLoad.LeastPing => ResUI.menuGenGroupMultipleServerSingBoxLeastPing,
+                EMultipleLoad.Fallback => ResUI.menuGenGroupMultipleServerSingBoxFallback,
+                _ => ResUI.menuGenGroupMultipleServerSingBoxLeastPing,
+            };
         }
-        profileItem.Address = Global.CoreMultipleLoadConfigFileName;
+        var profile = new ProfileItem
-        profileItem.ConfigType = EConfigType.Custom;
+        {
-        profileItem.CoreType = coreType;
+            IndexId = indexId,
-
+            CoreType = coreType,
-        await AddServerCommon(config, profileItem, true);
+            ConfigType = EConfigType.PolicyGroup,
-
+            Remarks = remark,
+        };
+        if (!subId.IsNullOrEmpty())
+        {
+            profile.Subid = subId;
+        }
+        var profileGroup = new ProfileGroupItem
+        {
+            ChildItems = childProfileIndexId,
+            MultipleLoad = multipleLoad,
+            ParentIndexId = indexId,
+        };
+        var ret = await AddGroupServerCommon(config, profile, profileGroup, true);
+        result.Success = ret == 0;
         result.Data = indexId;
         return result;
     }
@@ -1209,12 +1254,21 @@ public static class ConfigHandler
         ProfileItem? itemSocks = null;
         if (node.ConfigType != EConfigType.Custom && coreType != ECoreType.sing_box && config.TunModeItem.EnableTun)
         {
+            var tun2SocksAddress = node.Address;
+            if (node.ConfigType > EConfigType.Group)
+            {
+                var lstAddresses = (await ProfileGroupItemManager.GetAllChildDomainAddresses(node.IndexId)).ToList();
+                if (lstAddresses.Count > 0)
+                {
+                    tun2SocksAddress = Utils.List2String(lstAddresses);
+                }
+            }
             itemSocks = new ProfileItem()
             {
                 CoreType = ECoreType.sing_box,
                 ConfigType = EConfigType.SOCKS,
                 Address = Global.Loopback,
-                SpiderX = node.Address, // Tun2SocksAddress
+                SpiderX = tun2SocksAddress, // Tun2SocksAddress
                 Port = AppManager.Instance.GetLocalPort(EInboundProtocol.socks)
             };
         }

v2rayN/ServiceLib/Handler/CoreConfigHandler.cs

@@ -132,24 +132,4 @@ public static class CoreConfigHandler
         await File.WriteAllTextAsync(fileName, result.Data.ToString());
         return result;
     }
-
-    public static async Task<RetResult> GenerateClientMultipleLoadConfig(Config config, string fileName, List<ProfileItem> selecteds, ECoreType coreType, EMultipleLoad multipleLoad)
-    {
-        var result = new RetResult();
-        if (coreType == ECoreType.sing_box)
-        {
-            result = await new CoreConfigSingboxService(config).GenerateClientMultipleLoadConfig(selecteds);
-        }
-        else
-        {
-            result = await new CoreConfigV2rayService(config).GenerateClientMultipleLoadConfig(selecteds, multipleLoad);
-        }
-
-        if (result.Success != true)
-        {
-            return result;
-        }
-        await File.WriteAllTextAsync(fileName, result.Data.ToString());
-        return result;
-    }
 }

v2rayN/ServiceLib/Handler/Fmt/BaseFmt.cs

@@ -155,61 +155,60 @@ public class BaseFmt
 
     protected static int ResolveStdTransport(NameValueCollection query, ref ProfileItem item)
     {
-        item.Flow = query["flow"] ?? "";
+        item.Flow = GetQueryValue(query, "flow");
-        item.StreamSecurity = query["security"] ?? "";
+        item.StreamSecurity = GetQueryValue(query, "security");
-        item.Sni = query["sni"] ?? "";
+        item.Sni = GetQueryValue(query, "sni");
-        item.Alpn = Utils.UrlDecode(query["alpn"] ?? "");
+        item.Alpn = GetQueryDecoded(query, "alpn");
-        item.Fingerprint = Utils.UrlDecode(query["fp"] ?? "");
+        item.Fingerprint = GetQueryDecoded(query, "fp");
-        item.PublicKey = Utils.UrlDecode(query["pbk"] ?? "");
+        item.PublicKey = GetQueryDecoded(query, "pbk");
-        item.ShortId = Utils.UrlDecode(query["sid"] ?? "");
+        item.ShortId = GetQueryDecoded(query, "sid");
-        item.SpiderX = Utils.UrlDecode(query["spx"] ?? "");
+        item.SpiderX = GetQueryDecoded(query, "spx");
-        item.Mldsa65Verify = Utils.UrlDecode(query["pqv"] ?? "");
+        item.Mldsa65Verify = GetQueryDecoded(query, "pqv");
-        item.AllowInsecure = (query["allowInsecure"] ?? "") == "1" ? "true" : "";
+        item.AllowInsecure = new[] { "allowInsecure", "allow_insecure", "insecure" }.Any(k => (query[k] ?? "") == "1") ? "true" : "";
 
-        item.Network = query["type"] ?? nameof(ETransport.tcp);
+        item.Network = GetQueryValue(query, "type", nameof(ETransport.tcp));
         switch (item.Network)
         {
             case nameof(ETransport.tcp):
-                item.HeaderType = query["headerType"] ?? Global.None;
+                item.HeaderType = GetQueryValue(query, "headerType", Global.None);
-                item.RequestHost = Utils.UrlDecode(query["host"] ?? "");
+                item.RequestHost = GetQueryDecoded(query, "host");
-
                 break;
 
             case nameof(ETransport.kcp):
-                item.HeaderType = query["headerType"] ?? Global.None;
+                item.HeaderType = GetQueryValue(query, "headerType", Global.None);
-                item.Path = Utils.UrlDecode(query["seed"] ?? "");
+                item.Path = GetQueryDecoded(query, "seed");
                 break;
 
             case nameof(ETransport.ws):
             case nameof(ETransport.httpupgrade):
-                item.RequestHost = Utils.UrlDecode(query["host"] ?? "");
+                item.RequestHost = GetQueryDecoded(query, "host");
-                item.Path = Utils.UrlDecode(query["path"] ?? "/");
+                item.Path = GetQueryDecoded(query, "path", "/");
                 break;
 
             case nameof(ETransport.xhttp):
-                item.RequestHost = Utils.UrlDecode(query["host"] ?? "");
+                item.RequestHost = GetQueryDecoded(query, "host");
-                item.Path = Utils.UrlDecode(query["path"] ?? "/");
+                item.Path = GetQueryDecoded(query, "path", "/");
-                item.HeaderType = Utils.UrlDecode(query["mode"] ?? "");
+                item.HeaderType = GetQueryDecoded(query, "mode");
-                item.Extra = Utils.UrlDecode(query["extra"] ?? "");
+                item.Extra = GetQueryDecoded(query, "extra");
                 break;
 
             case nameof(ETransport.http):
             case nameof(ETransport.h2):
                 item.Network = nameof(ETransport.h2);
-                item.RequestHost = Utils.UrlDecode(query["host"] ?? "");
+                item.RequestHost = GetQueryDecoded(query, "host");
-                item.Path = Utils.UrlDecode(query["path"] ?? "/");
+                item.Path = GetQueryDecoded(query, "path", "/");
                 break;
 
             case nameof(ETransport.quic):
-                item.HeaderType = query["headerType"] ?? Global.None;
+                item.HeaderType = GetQueryValue(query, "headerType", Global.None);
-                item.RequestHost = query["quicSecurity"] ?? Global.None;
+                item.RequestHost = GetQueryValue(query, "quicSecurity", Global.None);
-                item.Path = Utils.UrlDecode(query["key"] ?? "");
+                item.Path = GetQueryDecoded(query, "key");
                 break;
 
             case nameof(ETransport.grpc):
-                item.RequestHost = Utils.UrlDecode(query["authority"] ?? "");
+                item.RequestHost = GetQueryDecoded(query, "authority");
-                item.Path = Utils.UrlDecode(query["serviceName"] ?? "");
+                item.Path = GetQueryDecoded(query, "serviceName");
-                item.HeaderType = Utils.UrlDecode(query["mode"] ?? Global.GrpcGunMode);
+                item.HeaderType = GetQueryDecoded(query, "mode", Global.GrpcGunMode);
                 break;
 
             default:
@@ -239,4 +238,14 @@ public class BaseFmt
         var url = $"{Utils.UrlEncode(userInfo)}@{GetIpv6(address)}:{port}";
         return $"{Global.ProtocolShares[eConfigType]}{url}{query}{remark}";
     }
+
+    protected static string GetQueryValue(NameValueCollection query, string key, string defaultValue = "")
+    {
+        return query[key] ?? defaultValue;
+    }
+
+    protected static string GetQueryDecoded(NameValueCollection query, string key, string defaultValue = "")
+    {
+        return Utils.UrlDecode(GetQueryValue(query, key, defaultValue));
+    }
 }

v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs

@@ -27,7 +27,7 @@ public class FmtHandler
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
-            return "";
+            return string.Empty;
         }
     }
 

v2rayN/ServiceLib/Handler/Fmt/Hysteria2Fmt.cs

@@ -21,10 +21,10 @@ public class Hysteria2Fmt : BaseFmt
 
         var query = Utils.ParseQueryString(url.Query);
         ResolveStdTransport(query, ref item);
-        item.Path = Utils.UrlDecode(query["obfs-password"] ?? "");
+        item.Path = GetQueryDecoded(query, "obfs-password");
-        item.AllowInsecure = (query["insecure"] ?? "") == "1" ? "true" : "false";
+        item.AllowInsecure = GetQueryValue(query, "insecure") == "1" ? "true" : "false";
 
-        item.Ports = Utils.UrlDecode(query["mport"] ?? "");
+        item.Ports = GetQueryDecoded(query, "mport");
 
         return item;
     }

v2rayN/ServiceLib/Handler/Fmt/ShadowsocksFmt.cs

@@ -42,7 +42,7 @@ public class ShadowsocksFmt : BaseFmt
         //    item.port);
         //url = Utile.Base64Encode(url);
         //new Sip002
-        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}");
+        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}", true);
         return ToUri(EConfigType.Shadowsocks, item.Address, item.Port, pw, null, remark);
     }
 

v2rayN/ServiceLib/Handler/Fmt/SocksFmt.cs

@@ -33,7 +33,7 @@ public class SocksFmt : BaseFmt
             remark = "#" + Utils.UrlEncode(item.Remarks);
         }
         //new
-        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}");
+        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}", true);
         return ToUri(EConfigType.SOCKS, item.Address, item.Port, pw, null, remark);
     }
 

v2rayN/ServiceLib/Handler/Fmt/TuicFmt.cs

@@ -30,7 +30,7 @@ public class TuicFmt : BaseFmt
 
         var query = Utils.ParseQueryString(url.Query);
         ResolveStdTransport(query, ref item);
-        item.HeaderType = query["congestion_control"] ?? "";
+        item.HeaderType = GetQueryValue(query, "congestion_control");
 
         return item;
     }

v2rayN/ServiceLib/Handler/Fmt/VLESSFmt.cs

@@ -24,8 +24,8 @@ public class VLESSFmt : BaseFmt
         item.Id = Utils.UrlDecode(url.UserInfo);
 
         var query = Utils.ParseQueryString(url.Query);
-        item.Security = query["encryption"] ?? Global.None;
+        item.Security = GetQueryValue(query, "encryption", Global.None);
-        item.StreamSecurity = query["security"] ?? "";
+        item.StreamSecurity = GetQueryValue(query, "security");
         _ = ResolveStdTransport(query, ref item);
 
         return item;

v2rayN/ServiceLib/Handler/Fmt/WireguardFmt.cs

@@ -24,10 +24,10 @@ public class WireguardFmt : BaseFmt
 
         var query = Utils.ParseQueryString(url.Query);
 
-        item.PublicKey = Utils.UrlDecode(query["publickey"] ?? "");
+        item.PublicKey = GetQueryDecoded(query, "publickey");
-        item.Path = Utils.UrlDecode(query["reserved"] ?? "");
+        item.Path = GetQueryDecoded(query, "reserved");
-        item.RequestHost = Utils.UrlDecode(query["address"] ?? "");
+        item.RequestHost = GetQueryDecoded(query, "address");
-        item.ShortId = Utils.UrlDecode(query["mtu"] ?? "");
+        item.ShortId = GetQueryDecoded(query, "mtu");
 
         return item;
     }

v2rayN/ServiceLib/Manager/AppManager.cs

@@ -8,7 +8,6 @@ public sealed class AppManager
     private Config _config;
     private int? _statePort;
     private int? _statePort2;
-    private Job? _processJob;
     public static AppManager Instance => _instance.Value;
     public Config Config => _config;
 
@@ -65,6 +64,7 @@ public sealed class AppManager
         SQLiteHelper.Instance.CreateTable<ProfileExItem>();
         SQLiteHelper.Instance.CreateTable<DNSItem>();
         SQLiteHelper.Instance.CreateTable<FullConfigTemplateItem>();
+        SQLiteHelper.Instance.CreateTable<ProfileGroupItem>();
         return true;
     }
 
@@ -136,21 +136,6 @@ public sealed class AppManager
         return localPort + (int)protocol;
     }
 
-    public void AddProcess(nint processHandle)
-    {
-        if (Utils.IsWindows())
-        {
-            _processJob ??= new();
-            try
-            {
-                _processJob?.AddProcess(processHandle);
-            }
-            catch
-            {
-            }
-        }
-    }
-
     #endregion Config
 
     #region SqliteHelper
@@ -223,6 +208,15 @@ public sealed class AppManager
         return await SQLiteHelper.Instance.TableAsync<ProfileItem>().FirstOrDefaultAsync(it => it.Remarks == remarks);
     }
 
+    public async Task<ProfileGroupItem?> GetProfileGroupItem(string parentIndexId)
+    {
+        if (parentIndexId.IsNullOrEmpty())
+        {
+            return null;
+        }
+        return await SQLiteHelper.Instance.TableAsync<ProfileGroupItem>().FirstOrDefaultAsync(it => it.ParentIndexId == parentIndexId);
+    }
+
     public async Task<List<RoutingItem>?> RoutingItems()
     {
         return await SQLiteHelper.Instance.TableAsync<RoutingItem>().OrderBy(t => t.Sort).ToListAsync();

v2rayN/ServiceLib/Manager/CoreAdminManager.cs

@@ -1,4 +1,3 @@
-using System.Diagnostics;
 using System.Text;
 using CliWrap;
 using CliWrap.Buffered;
@@ -31,7 +30,7 @@ public class CoreAdminManager
         await _updateFunc?.Invoke(notify, msg);
     }
 
-    public async Task<Process?> RunProcessAsLinuxSudo(string fileName, CoreInfo coreInfo, string configPath)
+    public async Task<ProcessService?> RunProcessAsLinuxSudo(string fileName, CoreInfo coreInfo, string configPath)
     {
         StringBuilder sb = new();
         sb.AppendLine("#!/bin/bash");
@@ -39,50 +38,25 @@ public class CoreAdminManager
         sb.AppendLine($"sudo -S {cmdLine}");
         var shFilePath = await FileManager.CreateLinuxShellFile("run_as_sudo.sh", sb.ToString(), true);
 
-        Process proc = new()
+        var procService = new ProcessService(
-        {
+            fileName: shFilePath,
-            StartInfo = new()
+            arguments: "",
-            {
+            workingDirectory: Utils.GetBinConfigPath(),
-                FileName = shFilePath,
+            displayLog: true,
-                Arguments = "",
+            redirectInput: true,
-                WorkingDirectory = Utils.GetBinConfigPath(),
+            environmentVars: null,
-                UseShellExecute = false,
+            updateFunc: _updateFunc
-                RedirectStandardInput = true,
+        );
-                RedirectStandardOutput = true,
-                RedirectStandardError = true,
-                CreateNoWindow = true,
-                StandardOutputEncoding = Encoding.UTF8,
-                StandardErrorEncoding = Encoding.UTF8,
-            }
-        };
 
-        void dataHandler(object sender, DataReceivedEventArgs e)
+        await procService.StartAsync(AppManager.Instance.LinuxSudoPwd);
-        {
-            if (e.Data.IsNotEmpty())
-            {
-                _ = UpdateFunc(false, e.Data + Environment.NewLine);
-            }
-        }
 
-        proc.OutputDataReceived += dataHandler;
+        if (procService is null or { HasExited: true })
-        proc.ErrorDataReceived += dataHandler;
-
-        proc.Start();
-        proc.BeginOutputReadLine();
-        proc.BeginErrorReadLine();
-
-        await Task.Delay(10);
-        await proc.StandardInput.WriteLineAsync(AppManager.Instance.LinuxSudoPwd);
-
-        await Task.Delay(100);
-        if (proc is null or { HasExited: true })
         {
             throw new Exception(ResUI.FailedToRunCore);
         }
+        _linuxSudoPid = procService.Id;
 
-        _linuxSudoPid = proc.Id;
+        return procService;
-
-        return proc;
     }
 
     public async Task KillProcessAsLinuxSudo()

v2rayN/ServiceLib/Manager/CoreManager.cs

@@ -1,6 +1,3 @@
-using System.Diagnostics;
-using System.Text;
-
 namespace ServiceLib.Manager;
 
 /// <summary>
@@ -11,8 +8,9 @@ public class CoreManager
     private static readonly Lazy<CoreManager> _instance = new(() => new());
     public static CoreManager Instance => _instance.Value;
     private Config _config;
-    private Process? _process;
+    private WindowsJob? _processJob;
-    private Process? _processPre;
+    private ProcessService? _processService;
+    private ProcessService? _processPreService;
     private bool _linuxSudo = false;
     private Func<bool, string, Task>? _updateFunc;
     private const string _tag = "CoreHandler";
@@ -89,13 +87,13 @@ public class CoreManager
 
         await CoreStart(node);
         await CoreStartPreService(node);
-        if (_process != null)
+        if (_processService != null)
         {
             await UpdateFunc(true, $"{node.GetSummary()}");
         }
     }
 
-    public async Task<int> LoadCoreConfigSpeedtest(List<ServerTestItem> selecteds)
+    public async Task<ProcessService?> LoadCoreConfigSpeedtest(List<ServerTestItem> selecteds)
     {
         var coreType = selecteds.Exists(t => t.ConfigType is EConfigType.Hysteria2 or EConfigType.TUIC or EConfigType.Anytls) ? ECoreType.sing_box : ECoreType.Xray;
         var fileName = string.Format(Global.CoreSpeedtestConfigFileName, Utils.GetGuid(false));
@@ -104,28 +102,22 @@ public class CoreManager
         await UpdateFunc(false, result.Msg);
         if (result.Success != true)
         {
-            return -1;
+            return null;
         }
 
         await UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
         await UpdateFunc(false, configPath);
 
         var coreInfo = CoreInfoManager.Instance.GetCoreInfo(coreType);
-        var proc = await RunProcess(coreInfo, fileName, true, false);
+        return await RunProcess(coreInfo, fileName, true, false);
-        if (proc is null)
-        {
-            return -1;
     }
 
-        return proc.Id;
+    public async Task<ProcessService?> LoadCoreConfigSpeedtest(ServerTestItem testItem)
-    }
-
-    public async Task<int> LoadCoreConfigSpeedtest(ServerTestItem testItem)
     {
         var node = await AppManager.Instance.GetProfileItem(testItem.IndexId);
         if (node is null)
         {
-            return -1;
+            return null;
         }
 
         var fileName = string.Format(Global.CoreSpeedtestConfigFileName, Utils.GetGuid(false));
@@ -133,18 +125,12 @@ public class CoreManager
         var result = await CoreConfigHandler.GenerateClientSpeedtestConfig(_config, node, testItem, configPath);
         if (result.Success != true)
         {
-            return -1;
+            return null;
         }
 
         var coreType = AppManager.Instance.GetCoreType(node, node.ConfigType);
         var coreInfo = CoreInfoManager.Instance.GetCoreInfo(coreType);
-        var proc = await RunProcess(coreInfo, fileName, true, false);
+        return await RunProcess(coreInfo, fileName, true, false);
-        if (proc is null)
-        {
-            return -1;
-        }
-
-        return proc.Id;
     }
 
     public async Task CoreStop()
@@ -157,16 +143,18 @@ public class CoreManager
                 _linuxSudo = false;
             }
 
-            if (_process != null)
+            if (_processService != null)
             {
-                await ProcUtils.ProcessKill(_process, Utils.IsWindows());
+                await _processService.StopAsync();
-                _process = null;
+                _processService.Dispose();
+                _processService = null;
             }
 
-            if (_processPre != null)
+            if (_processPreService != null)
             {
-                await ProcUtils.ProcessKill(_processPre, Utils.IsWindows());
+                await _processPreService.StopAsync();
-                _processPre = null;
+                _processPreService.Dispose();
+                _processPreService = null;
             }
         }
         catch (Exception ex)
@@ -188,12 +176,12 @@ public class CoreManager
         {
             return;
         }
-        _process = proc;
+        _processService = proc;
     }
 
     private async Task CoreStartPreService(ProfileItem node)
     {
-        if (_process != null && !_process.HasExited)
+        if (_processService != null && !_processService.HasExited)
         {
             var coreType = AppManager.Instance.GetCoreType(node, node.ConfigType);
             var itemSocks = await ConfigHandler.GetPreSocksItem(_config, node, coreType);
@@ -210,7 +198,7 @@ public class CoreManager
                     {
                         return;
                     }
-                    _processPre = proc;
+                    _processPreService = proc;
                 }
             }
         }
@@ -225,7 +213,7 @@ public class CoreManager
 
     #region Process
 
-    private async Task<Process?> RunProcess(CoreInfo? coreInfo, string configPath, bool displayLog, bool mayNeedSudo)
+    private async Task<ProcessService?> RunProcess(CoreInfo? coreInfo, string configPath, bool displayLog, bool mayNeedSudo)
     {
         var fileName = CoreInfoManager.Instance.GetCoreExecFile(coreInfo, out var msg);
         if (fileName.IsNullOrEmpty())
@@ -256,55 +244,48 @@ public class CoreManager
         }
     }
 
-    private async Task<Process?> RunProcessNormal(string fileName, CoreInfo? coreInfo, string configPath, bool displayLog)
+    private async Task<ProcessService?> RunProcessNormal(string fileName, CoreInfo? coreInfo, string configPath, bool displayLog)
     {
-        Process proc = new()
+        var environmentVars = new Dictionary<string, string>();
-        {
-            StartInfo = new()
-            {
-                FileName = fileName,
-                Arguments = string.Format(coreInfo.Arguments, coreInfo.AbsolutePath ? Utils.GetBinConfigPath(configPath).AppendQuotes() : configPath),
-                WorkingDirectory = Utils.GetBinConfigPath(),
-                UseShellExecute = false,
-                RedirectStandardOutput = displayLog,
-                RedirectStandardError = displayLog,
-                CreateNoWindow = true,
-                StandardOutputEncoding = displayLog ? Encoding.UTF8 : null,
-                StandardErrorEncoding = displayLog ? Encoding.UTF8 : null,
-            }
-        };
         foreach (var kv in coreInfo.Environment)
         {
-            proc.StartInfo.Environment[kv.Key] = string.Format(kv.Value, coreInfo.AbsolutePath ? Utils.GetBinConfigPath(configPath).AppendQuotes() : configPath);
+            environmentVars[kv.Key] = string.Format(kv.Value, coreInfo.AbsolutePath ? Utils.GetBinConfigPath(configPath).AppendQuotes() : configPath);
         }
 
-        if (displayLog)
+        var procService = new ProcessService(
-        {
+            fileName: fileName,
-            void dataHandler(object sender, DataReceivedEventArgs e)
+            arguments: string.Format(coreInfo.Arguments, coreInfo.AbsolutePath ? Utils.GetBinConfigPath(configPath).AppendQuotes() : configPath),
-            {
+            workingDirectory: Utils.GetBinConfigPath(),
-                if (e.Data.IsNotEmpty())
+            displayLog: displayLog,
-                {
+            redirectInput: false,
-                    _ = UpdateFunc(false, e.Data + Environment.NewLine);
+            environmentVars: environmentVars,
-                }
+            updateFunc: _updateFunc
-            }
+        );
-            proc.OutputDataReceived += dataHandler;
-            proc.ErrorDataReceived += dataHandler;
-        }
-        proc.Start();
 
-        if (displayLog)
+        await procService.StartAsync();
-        {
-            proc.BeginOutputReadLine();
-            proc.BeginErrorReadLine();
-        }
 
         await Task.Delay(100);
-        AppManager.Instance.AddProcess(proc.Handle);
+
-        if (proc is null or { HasExited: true })
+        if (procService is null or { HasExited: true })
         {
             throw new Exception(ResUI.FailedToRunCore);
         }
-        return proc;
+        AddProcessJob(procService.Handle);
+
+        return procService;
+    }
+
+    private void AddProcessJob(nint processHandle)
+    {
+        if (Utils.IsWindows())
+        {
+            _processJob ??= new();
+            try
+            {
+                _processJob?.AddProcess(processHandle);
+            }
+            catch { }
+        }
     }
 
     #endregion Process

v2rayN/ServiceLib/Manager/ProfileGroupItemManager.cs

@@ -0,0 +1,276 @@
+using System.Collections.Concurrent;
+
+namespace ServiceLib.Manager;
+
+public class ProfileGroupItemManager
+{
+    private static readonly Lazy<ProfileGroupItemManager> _instance = new(() => new());
+    private ConcurrentDictionary<string, ProfileGroupItem> _items = new();
+
+    public static ProfileGroupItemManager Instance => _instance.Value;
+    private static readonly string _tag = "ProfileGroupItemManager";
+
+    private ProfileGroupItemManager()
+    {
+    }
+
+    public async Task Init()
+    {
+        await InitData();
+    }
+
+    // Read-only getters: do not create or mark dirty
+    public bool TryGet(string indexId, out ProfileGroupItem? item)
+    {
+        item = null;
+        if (string.IsNullOrWhiteSpace(indexId))
+        {
+            return false;
+        }
+
+        return _items.TryGetValue(indexId, out item);
+    }
+
+    public ProfileGroupItem? GetOrDefault(string indexId)
+    {
+        return string.IsNullOrWhiteSpace(indexId) ? null : (_items.TryGetValue(indexId, out var v) ? v : null);
+    }
+
+    private async Task InitData()
+    {
+        await SQLiteHelper.Instance.ExecuteAsync($"delete from ProfileGroupItem where parentIndexId not in ( select indexId from ProfileItem )");
+
+        var list = await SQLiteHelper.Instance.TableAsync<ProfileGroupItem>().ToListAsync();
+        _items = new ConcurrentDictionary<string, ProfileGroupItem>(list.Where(t => !string.IsNullOrEmpty(t.ParentIndexId)).ToDictionary(t => t.ParentIndexId!));
+    }
+
+    private ProfileGroupItem AddProfileGroupItem(string indexId)
+    {
+        var profileGroupItem = new ProfileGroupItem()
+        {
+            ParentIndexId = indexId,
+            ChildItems = string.Empty,
+            MultipleLoad = EMultipleLoad.LeastPing
+        };
+
+        _items[indexId] = profileGroupItem;
+        return profileGroupItem;
+    }
+
+    private ProfileGroupItem GetProfileGroupItem(string indexId)
+    {
+        if (string.IsNullOrEmpty(indexId))
+        {
+            indexId = Utils.GetGuid(false);
+        }
+
+        return _items.GetOrAdd(indexId, AddProfileGroupItem);
+    }
+
+    public async Task ClearAll()
+    {
+        await SQLiteHelper.Instance.ExecuteAsync($"delete from ProfileGroupItem ");
+        _items.Clear();
+    }
+
+    public async Task SaveTo()
+    {
+        try
+        {
+            var lstExists = await SQLiteHelper.Instance.TableAsync<ProfileGroupItem>().ToListAsync();
+            var existsMap = lstExists.Where(t => !string.IsNullOrEmpty(t.ParentIndexId)).ToDictionary(t => t.ParentIndexId!);
+
+            var lstInserts = new List<ProfileGroupItem>();
+            var lstUpdates = new List<ProfileGroupItem>();
+
+            foreach (var item in _items.Values)
+            {
+                if (string.IsNullOrEmpty(item.ParentIndexId))
+                {
+                    continue;
+                }
+
+                if (existsMap.ContainsKey(item.ParentIndexId))
+                {
+                    lstUpdates.Add(item);
+                }
+                else
+                {
+                    lstInserts.Add(item);
+                }
+            }
+
+            try
+            {
+                if (lstInserts.Count > 0)
+                {
+                    await SQLiteHelper.Instance.InsertAllAsync(lstInserts);
+                }
+
+                if (lstUpdates.Count > 0)
+                {
+                    await SQLiteHelper.Instance.UpdateAllAsync(lstUpdates);
+                }
+            }
+            catch (Exception ex)
+            {
+                Logging.SaveLog(_tag, ex);
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+        }
+    }
+
+    public ProfileGroupItem GetOrCreateAndMarkDirty(string indexId)
+    {
+        return GetProfileGroupItem(indexId);
+    }
+
+    public async ValueTask DisposeAsync()
+    {
+        await SaveTo();
+    }
+
+    public async Task SaveItemAsync(ProfileGroupItem item)
+    {
+        if (item is null)
+        {
+            throw new ArgumentNullException(nameof(item));
+        }
+
+        if (string.IsNullOrWhiteSpace(item.ParentIndexId))
+        {
+            throw new ArgumentException("ParentIndexId required", nameof(item));
+        }
+
+        _items[item.ParentIndexId] = item;
+
+        try
+        {
+            var lst = await SQLiteHelper.Instance.TableAsync<ProfileGroupItem>().Where(t => t.ParentIndexId == item.ParentIndexId).ToListAsync();
+            if (lst != null && lst.Count > 0)
+            {
+                await SQLiteHelper.Instance.UpdateAllAsync(new List<ProfileGroupItem> { item });
+            }
+            else
+            {
+                await SQLiteHelper.Instance.InsertAllAsync(new List<ProfileGroupItem> { item });
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+        }
+    }
+
+    #region Helper
+
+    public static bool HasCycle(string? indexId)
+    {
+        return HasCycle(indexId, new HashSet<string>(), new HashSet<string>());
+    }
+
+    public static bool HasCycle(string? indexId, HashSet<string> visited, HashSet<string> stack)
+    {
+        if (indexId.IsNullOrEmpty())
+            return false;
+
+        if (stack.Contains(indexId))
+            return true;
+
+        if (visited.Contains(indexId))
+            return false;
+
+        visited.Add(indexId);
+        stack.Add(indexId);
+
+        Instance.TryGet(indexId, out var groupItem);
+
+        if (groupItem == null || groupItem.ChildItems.IsNullOrEmpty())
+        {
+            return false;
+        }
+
+        var childIds = Utils.String2List(groupItem.ChildItems)
+            .Where(p => !string.IsNullOrEmpty(p))
+            .ToList();
+
+        foreach (var child in childIds)
+        {
+            if (HasCycle(child, visited, stack))
+            {
+                return true;
+            }
+        }
+
+        stack.Remove(indexId);
+        return false;
+    }
+
+    public static async Task<(List<ProfileItem> Items, ProfileGroupItem? Group)> GetChildProfileItems(string? indexId)
+    {
+        Instance.TryGet(indexId, out var profileGroupItem);
+        if (profileGroupItem == null || profileGroupItem.ChildItems.IsNullOrEmpty())
+        {
+            return (new List<ProfileItem>(), profileGroupItem);
+        }
+        var items = await GetChildProfileItems(profileGroupItem);
+        return (items, profileGroupItem);
+    }
+
+    public static async Task<List<ProfileItem>> GetChildProfileItems(ProfileGroupItem? group)
+    {
+        if (group == null || group.ChildItems.IsNullOrEmpty())
+        {
+            return new();
+        }
+        var childProfiles = (await Task.WhenAll(
+                Utils.String2List(group.ChildItems)
+                    .Where(p => !p.IsNullOrEmpty())
+                    .Select(AppManager.Instance.GetProfileItem)
+            ))
+            .Where(p =>
+                p != null &&
+                p.IsValid() &&
+                p.ConfigType != EConfigType.Custom
+            )
+            .ToList();
+        return childProfiles;
+    }
+
+    public static async Task<HashSet<string>> GetAllChildDomainAddresses(string parentIndexId)
+    {
+        // include grand children
+        var childAddresses = new HashSet<string>();
+        if (!Instance.TryGet(parentIndexId, out var groupItem) || groupItem.ChildItems.IsNullOrEmpty())
+            return childAddresses;
+
+        var childIds = Utils.String2List(groupItem.ChildItems);
+
+        foreach (var childId in childIds)
+        {
+            var childNode = await AppManager.Instance.GetProfileItem(childId);
+            if (childNode == null)
+                continue;
+
+            if (!childNode.IsComplex())
+            {
+                childAddresses.Add(childNode.Address);
+            }
+            else if (childNode.ConfigType > EConfigType.Group)
+            {
+                var subAddresses = await GetAllChildDomainAddresses(childNode.IndexId);
+                foreach (var addr in subAddresses)
+                {
+                    childAddresses.Add(addr);
+                }
+            }
+        }
+
+        return childAddresses;
+    }
+
+    #endregion Helper
+}

v2rayN/ServiceLib/Models/ProfileGroupItem.cs

@@ -0,0 +1,14 @@
+using SQLite;
+
+namespace ServiceLib.Models;
+
+[Serializable]
+public class ProfileGroupItem
+{
+    [PrimaryKey]
+    public string ParentIndexId { get; set; }
+
+    public string ChildItems { get; set; }
+
+    public EMultipleLoad MultipleLoad { get; set; } = EMultipleLoad.LeastPing;
+}

v2rayN/ServiceLib/Models/ProfileItem.cs

@@ -32,6 +32,12 @@ public class ProfileItem : ReactiveObject
     public string GetSummary()
     {
         var summary = $"[{(ConfigType).ToString()}] ";
+        if (IsComplex())
+        {
+            summary += $"[{CoreType.ToString()}]{Remarks}";
+        }
+        else
+        {
             var arrAddr = Address.Contains(':') ? Address.Split(':') : Address.Split('.');
             var addr = arrAddr.Length switch
             {
@@ -39,11 +45,8 @@ public class ProfileItem : ReactiveObject
                 > 1 => $"***{arrAddr.Last()}",
                 _ => Address
             };
-        summary += ConfigType switch
+            summary += $"{Remarks}({addr}:{Port})";
-        {
+        }
-            EConfigType.Custom => $"[{CoreType.ToString()}]{Remarks}",
-            _ => $"{Remarks}({addr}:{Port})"
-        };
         return summary;
     }
 
@@ -61,6 +64,51 @@ public class ProfileItem : ReactiveObject
         return Network.TrimEx();
     }
 
+    public bool IsComplex()
+    {
+        return ConfigType is EConfigType.Custom or > EConfigType.Group;
+    }
+
+    public bool IsValid()
+    {
+        if (IsComplex())
+            return true;
+
+        if (Address.IsNullOrEmpty() || Port is <= 0 or >= 65536)
+            return false;
+
+        switch (ConfigType)
+        {
+            case EConfigType.VMess:
+                if (Id.IsNullOrEmpty() || !Utils.IsGuidByParse(Id))
+                    return false;
+                break;
+
+            case EConfigType.VLESS:
+                if (Id.IsNullOrEmpty() || (!Utils.IsGuidByParse(Id) && Id.Length > 30))
+                    return false;
+                if (!Global.Flows.Contains(Flow))
+                    return false;
+                break;
+
+            case EConfigType.Shadowsocks:
+                if (Id.IsNullOrEmpty())
+                    return false;
+                if (string.IsNullOrEmpty(Security) || !Global.SsSecuritiesInSingbox.Contains(Security))
+                    return false;
+                break;
+        }
+
+        if ((ConfigType is EConfigType.VLESS or EConfigType.Trojan)
+            && StreamSecurity == Global.StreamSecurityReality
+            && PublicKey.IsNullOrEmpty())
+        {
+            return false;
+        }
+
+        return true;
+    }
+
     #endregion function
 
     [PrimaryKey]

v2rayN/ServiceLib/Models/SingboxConfig.cs

@@ -145,6 +145,7 @@ public class Outbound4Sbox : BaseServer4Sbox
     public string? plugin_opts { get; set; }
     public List<string>? outbounds { get; set; }
     public bool? interrupt_exist_connections { get; set; }
+    public int? tolerance { get; set; }
 }
 
 public class Endpoints4Sbox : BaseServer4Sbox

v2rayN/ServiceLib/Resx/ResUI.Designer.cs

@@ -672,6 +672,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Add Child Configuration 的本地化字符串。
+        /// </summary>
+        public static string menuAddChildServer {
+            get {
+                return ResourceManager.GetString("menuAddChildServer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Add a custom configuration Configuration 的本地化字符串。
         /// </summary>
@@ -699,6 +708,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Add Policy Group Configuration 的本地化字符串。
+        /// </summary>
+        public static string menuAddPolicyGroupServer {
+            get {
+                return ResourceManager.GetString("menuAddPolicyGroupServer", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Add Proxy Chain Configuration 的本地化字符串。
+        /// </summary>
+        public static string menuAddProxyChainServer {
+            get {
+                return ResourceManager.GetString("menuAddProxyChainServer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Import Share Links from clipboard (Ctrl+V) 的本地化字符串。
         /// </summary>
@@ -951,6 +978,78 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Generate Policy Group from Multiple Profiles 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServer {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServer", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration Fallback by sing-box 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerSingBoxFallback {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerSingBoxFallback", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration LeastPing by sing-box 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerSingBoxLeastPing {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerSingBoxLeastPing", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration Fallback by Xray 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerXrayFallback {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerXrayFallback", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration LeastLoad by Xray 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerXrayLeastLoad {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerXrayLeastLoad", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration LeastPing by Xray 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerXrayLeastPing {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerXrayLeastPing", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration Random by Xray 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerXrayRandom {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerXrayRandom", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Multi-Configuration RoundRobin by Xray 的本地化字符串。
+        /// </summary>
+        public static string menuGenGroupMultipleServerXrayRoundRobin {
+            get {
+                return ResourceManager.GetString("menuGenGroupMultipleServerXrayRoundRobin", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Global Hotkey Setting 的本地化字符串。
         /// </summary>
@@ -1320,6 +1419,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Remove Child Configuration 的本地化字符串。
+        /// </summary>
+        public static string menuRemoveChildServer {
+            get {
+                return ResourceManager.GetString("menuRemoveChildServer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Remove duplicate Configurations 的本地化字符串。
         /// </summary>
@@ -1473,6 +1581,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Server List 的本地化字符串。
+        /// </summary>
+        public static string menuServerList {
+            get {
+                return ResourceManager.GetString("menuServerList", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Configurations 的本地化字符串。
         /// </summary>
@@ -1482,60 +1599,6 @@ namespace ServiceLib.Resx {
             }
         }
         
-        /// <summary>
-        ///   查找类似 Multi-Configuration to custom configuration 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServer {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServer", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Multi-Configuration LeastPing by sing-box 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServerSingBoxLeastPing {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServerSingBoxLeastPing", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Multi-Configuration LeastLoad by Xray 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServerXrayLeastLoad {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServerXrayLeastLoad", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Multi-Configuration LeastPing by Xray 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServerXrayLeastPing {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServerXrayLeastPing", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Multi-Configuration Random by Xray 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServerXrayRandom {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServerXrayRandom", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Multi-Configuration RoundRobin by Xray 的本地化字符串。
-        /// </summary>
-        public static string menuSetDefaultMultipleServerXrayRoundRobin {
-            get {
-                return ResourceManager.GetString("menuSetDefaultMultipleServerXrayRoundRobin", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   查找类似 Set as active Configuration (Enter) 的本地化字符串。
         /// </summary>
@@ -1995,6 +2058,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Please Add At Least One Configuration 的本地化字符串。
+        /// </summary>
+        public static string PleaseAddAtLeastOneServer {
+            get {
+                return ResourceManager.GetString("PleaseAddAtLeastOneServer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Please fill Remarks 的本地化字符串。
         /// </summary>
@@ -2373,6 +2445,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Policy Group 的本地化字符串。
+        /// </summary>
+        public static string TbConfigTypePolicyGroup {
+            get {
+                return ResourceManager.GetString("TbConfigTypePolicyGroup", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Proxy Chain 的本地化字符串。
+        /// </summary>
+        public static string TbConfigTypeProxyChain {
+            get {
+                return ResourceManager.GetString("TbConfigTypeProxyChain", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Confirm 的本地化字符串。
         /// </summary>
@@ -2526,6 +2616,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Fallback 的本地化字符串。
+        /// </summary>
+        public static string TbFallback {
+            get {
+                return ResourceManager.GetString("TbFallback", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Fingerprint 的本地化字符串。
         /// </summary>
@@ -2643,6 +2742,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Most Stable 的本地化字符串。
+        /// </summary>
+        public static string TbLeastLoad {
+            get {
+                return ResourceManager.GetString("TbLeastLoad", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Lowest Latency 的本地化字符串。
+        /// </summary>
+        public static string TbLeastPing {
+            get {
+                return ResourceManager.GetString("TbLeastPing", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Address (IPv4, IPv6) 的本地化字符串。
         /// </summary>
@@ -2697,6 +2814,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Policy Group Type 的本地化字符串。
+        /// </summary>
+        public static string TbPolicyGroupType {
+            get {
+                return ResourceManager.GetString("TbPolicyGroupType", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Port 的本地化字符串。
         /// </summary>
@@ -2769,6 +2895,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Random 的本地化字符串。
+        /// </summary>
+        public static string TbRandom {
+            get {
+                return ResourceManager.GetString("TbRandom", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 v2ray Full Config Template 的本地化字符串。
         /// </summary>
@@ -2832,6 +2967,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Round Robin 的本地化字符串。
+        /// </summary>
+        public static string TbRoundRobin {
+            get {
+                return ResourceManager.GetString("TbRoundRobin", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 socks: local port, socks2: second local port, socks3: LAN port 的本地化字符串。
         /// </summary>
@@ -2913,6 +3057,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Bootstrap DNS (sing-box) 的本地化字符串。
+        /// </summary>
+        public static string TbSBBootstrapDNS {
+            get {
+                return ResourceManager.GetString("TbSBBootstrapDNS", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 sing-box Direct Resolution Strategy 的本地化字符串。
         /// </summary>
@@ -2923,25 +3076,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 The sing-box DoH resolution server can be overwritten 的本地化字符串。
+        ///   查找类似 Resolve DNS server domains, requires IP 的本地化字符串。
-        /// </summary>
-        public static string TbSBDoHOverride {
-            get {
-                return ResourceManager.GetString("TbSBDoHOverride", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 sing-box DoH Resolver Server 的本地化字符串。
-        /// </summary>
-        public static string TbSBDoHResolverServer {
-            get {
-                return ResourceManager.GetString("TbSBDoHResolverServer", resourceCulture);
-            }
-        }
-        
-        /// <summary>
-        ///   查找类似 Fallback DNS Resolution, Suggest IP 的本地化字符串。
         /// </summary>
         public static string TbSBFallbackDNSResolve {
             get {

v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx

@@ -1377,22 +1377,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>مخفی و پورت می شود، با کاما (،) جدا می شود</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>چند سرور به پیکربندی سفارشی</value>
+    <value>Generate Policy Group from Multiple Profiles</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>چند سرور تصادفی توسط Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>چند سرور RoundRobin توسط Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>چند سرور LeastPing توسط Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>چند سرور LeastLoad توسط Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>LeastPing چند سرور توسط sing-box</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1425,11 +1425,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>Resolve Outbound Domains</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>sing-box DoH Resolver Server</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Suggest IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1515,4 +1512,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>Please Add At Least One Configuration</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>Policy Group</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>Proxy Chain</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>Lowest Latency</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>Random</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>Round Robin</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>Most Stable</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>Policy Group Type</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>Add Policy Group Configuration</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>Add Proxy Chain Configuration</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>Add Child Configuration</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>Remove Child Configuration</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>Server List</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>Fallback</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.hu.resx

@@ -1377,22 +1377,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>A portot lefedi, vesszővel (,) elválasztva</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>Több konfiguráció egyéni konfigurációra</value>
+    <value>Generate Policy Group from Multiple Profiles</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>Több konfiguráció véletlenszerűen Xray szerint</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>Több konfiguráció RoundRobin Xray szerint</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>Több konfiguráció legkisebb pinggel Xray szerint</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>Több konfiguráció legkisebb terheléssel Xray szerint</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>Több konfiguráció legkisebb pinggel sing-box szerint</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1425,11 +1425,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>Resolve Outbound Domains</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>sing-box DoH Resolver Server</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Suggest IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1515,4 +1512,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>Please Add At Least One Configuration</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>Policy Group</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>Proxy Chain</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>Lowest Latency</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>Random</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>Round Robin</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>Most Stable</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>Policy Group Type</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>Add Policy Group Configuration</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>Add Proxy Chain Configuration</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>Add Child Configuration</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>Remove Child Configuration</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>Server List</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>Fallback</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.resx

@@ -1377,22 +1377,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>Will cover the port, separate with commas (,)</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>Multi-Configuration to custom configuration</value>
+    <value>Generate Policy Group from Multiple Profiles</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>Multi-Configuration Random by Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>Multi-Configuration RoundRobin by Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>Multi-Configuration LeastPing by Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>Multi-Configuration LeastLoad by Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>Multi-Configuration LeastPing by sing-box</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1425,11 +1425,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>Resolve Outbound Domains</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>sing-box DoH Resolver Server</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Suggest IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1515,4 +1512,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>Please Add At Least One Configuration</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>Policy Group</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>Proxy Chain</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>Lowest Latency</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>Random</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>Round Robin</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>Most Stable</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>Policy Group Type</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>Add Policy Group Configuration</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>Add Proxy Chain Configuration</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>Add Child Configuration</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>Remove Child Configuration</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>Server List</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>Fallback</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.ru.resx

@@ -1377,22 +1377,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>Заменит указанный порт, перечисляйте через запятую (,)</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>От мультиконфигурации к пользовательской конфигурации</value>
+    <value>Generate Policy Group from Multiple Profiles</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>Случайный (Xray)</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>Круговой (Xray)</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>Минимальное RTT (минимальное время туда-обратно) (Xray)</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>Минимальная нагрузка (Xray)</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>Минимальное RTT (минимальное время туда-обратно) (sing-box)</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1425,11 +1425,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>Разрешать домены для исходящих соединений</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>Сервер DoH-резолвера (sing-box)</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Резервное DNS-разрешение (рекомендуется указывать IP)</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>Стратегия резолвинга Freedom (Xray)</value>
@@ -1443,9 +1443,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Добавить стандартные записи hosts (DNS)</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>Сервер DoH-резолвера sing-box можно переопределить</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1515,4 +1512,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>Please Add At Least One Configuration</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>Policy Group</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>Proxy Chain</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>Lowest Latency</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>Random</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>Round Robin</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>Most Stable</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>Policy Group Type</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>Add Policy Group Configuration</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>Add Proxy Chain Configuration</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>Add Child Configuration</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>Remove Child Configuration</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>Server List</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>Fallback</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx

@@ -1374,22 +1374,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>会覆盖端口，多组时用逗号 (,) 隔开</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>多配置文件产生自定义配置 (多选)</value>
+    <value>多配置文件生成策略组</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>多配置文件随机 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>多配置文件负载均衡 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>多配置文件最低延迟 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>多配置文件最稳定 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>多配置文件最低延迟 sing-box</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1422,11 +1422,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>解析出站域名</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>sing-box DoH 解析服务器</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>兜底解析其他 DNS 域名，建议设为 ip</value>
+    <value>解析 DNS 服务器域名，需指定为 IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray freedom 解析策略</value>
@@ -1440,9 +1440,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>添加常用 DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>开启后可覆盖 sing-box DoH 解析服务器</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1512,4 +1509,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>默认全局生效，内置 FakeIP 过滤，仅在 sing-box 中生效</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>请至少添加一个配置文件</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>策略组</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>链式代理</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>最低延迟</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>随机</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>负载均衡</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>最稳定</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>策略组类型</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>添加策略组配置文件</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>添加链式代理配置文件</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>添加子配置文件</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>删除子配置文件</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>服务器列表</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>故障转移</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>多配置文件故障转移 sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>多配置文件故障转移 Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx

@@ -1374,22 +1374,22 @@
   <data name="TbPorts7Tips" xml:space="preserve">
     <value>會覆蓋埠，多組時用逗號 (,) 隔開</value>
   </data>
-  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+  <data name="menuGenGroupMultipleServer" xml:space="preserve">
-    <value>多設定檔產生自訂配置 (多選)</value>
+    <value>Generate Policy Group from Multiple Profiles</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRandom" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRandom" xml:space="preserve">
     <value>多設定檔隨機 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayRoundRobin" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayRoundRobin" xml:space="preserve">
     <value>多設定檔負載平衡 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastPing" xml:space="preserve">
     <value>多設定檔最低延遲 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerXrayLeastLoad" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerXrayLeastLoad" xml:space="preserve">
     <value>多設定檔最穩定 Xray</value>
   </data>
-  <data name="menuSetDefaultMultipleServerSingBoxLeastPing" xml:space="preserve">
+  <data name="menuGenGroupMultipleServerSingBoxLeastPing" xml:space="preserve">
     <value>多設定檔最低延遲 sing-box</value>
   </data>
   <data name="menuExportConfig" xml:space="preserve">
@@ -1422,11 +1422,11 @@
   <data name="TbSBOutboundDomainResolve" xml:space="preserve">
     <value>Resolve Outbound Domains</value>
   </data>
-  <data name="TbSBDoHResolverServer" xml:space="preserve">
+  <data name="TbSBBootstrapDNS" xml:space="preserve">
-    <value>sing-box DoH Resolver Server</value>
+    <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Fallback DNS Resolution, Suggest IP</value>
+    <value>Resolve DNS server domains, requires IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1440,9 +1440,6 @@
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
   </data>
-  <data name="TbSBDoHOverride" xml:space="preserve">
-    <value>The sing-box DoH resolution server can be overwritten</value>
-  </data>
   <data name="TbFakeIP" xml:space="preserve">
     <value>FakeIP</value>
   </data>
@@ -1512,4 +1509,52 @@
   <data name="TbFakeIPTips" xml:space="preserve">
     <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
   </data>
+  <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
+    <value>Please Add At Least One Configuration</value>
+  </data>
+  <data name="TbConfigTypePolicyGroup" xml:space="preserve">
+    <value>Policy Group</value>
+  </data>
+  <data name="TbConfigTypeProxyChain" xml:space="preserve">
+    <value>Proxy Chain</value>
+  </data>
+  <data name="TbLeastPing" xml:space="preserve">
+    <value>Lowest Latency</value>
+  </data>
+  <data name="TbRandom" xml:space="preserve">
+    <value>Random</value>
+  </data>
+  <data name="TbRoundRobin" xml:space="preserve">
+    <value>Round Robin</value>
+  </data>
+  <data name="TbLeastLoad" xml:space="preserve">
+    <value>Most Stable</value>
+  </data>
+  <data name="TbPolicyGroupType" xml:space="preserve">
+    <value>Policy Group Type</value>
+  </data>
+  <data name="menuAddPolicyGroupServer" xml:space="preserve">
+    <value>Add Policy Group Configuration</value>
+  </data>
+  <data name="menuAddProxyChainServer" xml:space="preserve">
+    <value>Add Proxy Chain Configuration</value>
+  </data>
+  <data name="menuAddChildServer" xml:space="preserve">
+    <value>Add Child Configuration</value>
+  </data>
+  <data name="menuRemoveChildServer" xml:space="preserve">
+    <value>Remove Child Configuration</value>
+  </data>
+  <data name="menuServerList" xml:space="preserve">
+    <value>Server List</value>
+  </data>
+  <data name="TbFallback" xml:space="preserve">
+    <value>Fallback</value>
+  </data>
+  <data name="menuGenGroupMultipleServerSingBoxFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by sing-box</value>
+  </data>
+  <data name="menuGenGroupMultipleServerXrayFallback" xml:space="preserve">
+    <value>Multi-Configuration Fallback by Xray</value>
+  </data>
 </root>

v2rayN/ServiceLib/Services/CoreConfig/Singbox/CoreConfigSingboxService.cs

@@ -16,7 +16,7 @@ public partial class CoreConfigSingboxService(Config config)
         try
         {
             if (node == null
-                || node.Port <= 0)
+                || !node.IsValid())
             {
                 ret.Msg = ResUI.CheckServerSettings;
                 return ret;
@@ -29,6 +29,17 @@ public partial class CoreConfigSingboxService(Config config)
 
             ret.Msg = ResUI.InitialConfiguration;
             
+            if (node?.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+            {
+                switch (node.ConfigType)
+                {
+                    case EConfigType.PolicyGroup:
+                        return await GenerateClientMultipleLoadConfig(node);
+                    case EConfigType.ProxyChain:
+                        return await GenerateClientChainConfig(node);
+                }
+            }
+
             var result = EmbedUtils.GetEmbedText(Global.SingboxSampleClient);
             if (result.IsNullOrEmpty())
             {
@@ -142,13 +153,10 @@ public partial class CoreConfigSingboxService(Config config)
                     continue;
                 }
                 var item = await AppManager.Instance.GetProfileItem(it.IndexId);
-                if (it.ConfigType is EConfigType.VMess or EConfigType.VLESS)
+                if (item is null || item.IsComplex() || !item.IsValid())
-                {
-                    if (item is null || item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id))
                 {
                     continue;
                 }
-                }
 
                 //find unused port
                 var port = initPort;
@@ -187,27 +195,6 @@ public partial class CoreConfigSingboxService(Config config)
                 singboxConfig.inbounds.Add(inbound);
 
                 //outbound
-                if (item is null)
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.Shadowsocks
-                    && !Global.SsSecuritiesInSingbox.Contains(item.Security))
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.VLESS
-                 && !Global.Flows.Contains(item.Flow))
-                {
-                    continue;
-                }
-                if (it.ConfigType is EConfigType.VLESS or EConfigType.Trojan
-                    && item.StreamSecurity == Global.StreamSecurityReality
-                    && item.PublicKey.IsNullOrEmpty())
-                {
-                    continue;
-                }
-
                 var server = await GenServer(item);
                 if (server is null)
                 {
@@ -266,7 +253,8 @@ public partial class CoreConfigSingboxService(Config config)
         var ret = new RetResult();
         try
         {
-            if (node is not { Port: > 0 })
+            if (node == null
+                || !node.IsValid())
             {
                 ret.Msg = ResUI.CheckServerSettings;
                 return ret;
@@ -344,7 +332,7 @@ public partial class CoreConfigSingboxService(Config config)
         }
     }
 
-    public async Task<RetResult> GenerateClientMultipleLoadConfig(List<ProfileItem> selecteds)
+    public async Task<RetResult> GenerateClientMultipleLoadConfig(ProfileItem parentNode)
     {
         var ret = new RetResult();
         try
@@ -371,56 +359,77 @@ public partial class CoreConfigSingboxService(Config config)
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
+            singboxConfig.outbounds.RemoveAt(0);
 
             await GenLog(singboxConfig);
             await GenInbounds(singboxConfig);
-            await GenRouting(singboxConfig);
-            await GenExperimental(singboxConfig);
-            singboxConfig.outbounds.RemoveAt(0);
 
-            var proxyProfiles = new List<ProfileItem>();
+            var groupRet = await GenGroupOutbound(parentNode, singboxConfig);
-            foreach (var it in selecteds)
+            if (groupRet != 0)
-            {
-                if (!Global.SingboxSupportConfigType.Contains(it.ConfigType))
-                {
-                    continue;
-                }
-                if (it.Port <= 0)
-                {
-                    continue;
-                }
-                var item = await AppManager.Instance.GetProfileItem(it.IndexId);
-                if (item is null)
-                {
-                    continue;
-                }
-                if (it.ConfigType is EConfigType.VMess or EConfigType.VLESS)
-                {
-                    if (item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id))
-                    {
-                        continue;
-                    }
-                }
-                if (item.ConfigType == EConfigType.Shadowsocks
-                  && !Global.SsSecuritiesInSingbox.Contains(item.Security))
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.VLESS && !Global.Flows.Contains(item.Flow))
-                {
-                    continue;
-                }
-
-                //outbound
-                proxyProfiles.Add(item);
-            }
-            if (proxyProfiles.Count <= 0)
             {
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
-            await GenOutboundsList(proxyProfiles, singboxConfig);
 
+            await GenRouting(singboxConfig);
+            await GenExperimental(singboxConfig);
+            await GenDns(null, singboxConfig);
+            await ConvertGeo2Ruleset(singboxConfig);
+
+            ret.Success = true;
+
+            ret.Data = await ApplyFullConfigTemplate(singboxConfig);
+            return ret;
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+            ret.Msg = ResUI.FailedGenDefaultConfiguration;
+            return ret;
+        }
+    }
+
+    public async Task<RetResult> GenerateClientChainConfig(ProfileItem parentNode)
+    {
+        var ret = new RetResult();
+        try
+        {
+            if (_config == null)
+            {
+                ret.Msg = ResUI.CheckServerSettings;
+                return ret;
+            }
+
+            ret.Msg = ResUI.InitialConfiguration;
+
+            var result = EmbedUtils.GetEmbedText(Global.SingboxSampleClient);
+            var txtOutbound = EmbedUtils.GetEmbedText(Global.SingboxSampleOutbound);
+            if (result.IsNullOrEmpty() || txtOutbound.IsNullOrEmpty())
+            {
+                ret.Msg = ResUI.FailedGetDefaultConfiguration;
+                return ret;
+            }
+
+            var singboxConfig = JsonUtils.Deserialize<SingboxConfig>(result);
+            if (singboxConfig == null)
+            {
+                ret.Msg = ResUI.FailedGenDefaultConfiguration;
+                return ret;
+            }
+            singboxConfig.outbounds.RemoveAt(0);
+
+            await GenLog(singboxConfig);
+            await GenInbounds(singboxConfig);
+
+            var groupRet = await GenGroupOutbound(parentNode, singboxConfig);
+            if (groupRet != 0)
+            {
+                ret.Msg = ResUI.FailedGenDefaultConfiguration;
+                return ret;
+            }
+
+            await GenRouting(singboxConfig);
+            await GenExperimental(singboxConfig);
             await GenDns(null, singboxConfig);
             await ConvertGeo2Ruleset(singboxConfig);
 

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs

@@ -414,16 +414,19 @@ public partial class CoreConfigSingboxService
             return 0;
         }
 
-        var domain = string.Empty;
+        List<string> domain = new();
         if (Utils.IsDomain(node.Address)) // normal outbound
         {
-            domain = node.Address;
+            domain.Add(node.Address);
         }
-        else if (node.Address == Global.Loopback && node.SpiderX.IsNotEmpty() && Utils.IsDomain(node.SpiderX)) // Tun2SocksAddress
+        if (node.Address == Global.Loopback && node.SpiderX.IsNotEmpty()) // Tun2SocksAddress
         {
-            domain = node.SpiderX;
+            domain.AddRange(Utils.String2List(node.SpiderX)
+                .Where(Utils.IsDomain)
+                .Distinct()
+                .ToList());
         }
-        if (domain.IsNullOrEmpty())
+        if (domain.Count == 0)
         {
             return 0;
         }
@@ -432,7 +435,7 @@ public partial class CoreConfigSingboxService
         singboxConfig.dns.rules.Insert(0, new Rule4Sbox
         {
             server = server,
-            domain = [domain],
+            domain = domain,
         });
 
         return await Task.FromResult(0);

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs

@@ -179,13 +179,21 @@ public partial class CoreConfigSingboxService
             if (node.ConfigType == EConfigType.WireGuard)
             {
                 var endpoint = JsonUtils.Deserialize<Endpoints4Sbox>(txtOutbound);
-                await GenEndpoint(node, endpoint);
+                var ret = await GenEndpoint(node, endpoint);
+                if (ret != 0)
+                {
+                    return null;
+                }
                 return endpoint;
             }
             else
             {
                 var outbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
-                await GenOutbound(node, outbound);
+                var ret = await GenOutbound(node, outbound);
+                if (ret != 0)
+                {
+                    return null;
+                }
                 return outbound;
             }
         }
@@ -196,6 +204,52 @@ public partial class CoreConfigSingboxService
         return await Task.FromResult<BaseServer4Sbox?>(null);
     }
 
+    private async Task<int> GenGroupOutbound(ProfileItem node, SingboxConfig singboxConfig, string baseTagName = Global.ProxyTag, bool ignoreOriginChain = false)
+    {
+        try
+        {
+            if (node.ConfigType is not (EConfigType.PolicyGroup or EConfigType.ProxyChain))
+            {
+                return -1;
+            }
+            var hasCycle = ProfileGroupItemManager.HasCycle(node.IndexId);
+            if (hasCycle)
+            {
+                return -1;
+            }
+
+            var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+            if (childProfiles.Count <= 0)
+            {
+                return -1;
+            }
+            switch (node.ConfigType)
+            {
+                case EConfigType.PolicyGroup:
+                    if (ignoreOriginChain)
+                    {
+                        await GenOutboundsList(childProfiles, singboxConfig, profileGroupItem.MultipleLoad, baseTagName);
+                    }
+                    else
+                    {
+                        await GenOutboundsListWithChain(childProfiles, singboxConfig, profileGroupItem.MultipleLoad, baseTagName);
+                    }
+
+                    break;
+                case EConfigType.ProxyChain:
+                    await GenChainOutboundsList(childProfiles, singboxConfig, baseTagName);
+                    break;
+                default:
+                    break;
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+        }
+        return await Task.FromResult(0);
+    }
+
     private async Task<int> GenOutboundMux(ProfileItem node, Outbound4Sbox outbound)
     {
         try
@@ -410,7 +464,7 @@ public partial class CoreConfigSingboxService
         return 0;
     }
 
-    private async Task<int> GenOutboundsList(List<ProfileItem> nodes, SingboxConfig singboxConfig)
+    private async Task<int> GenOutboundsListWithChain(List<ProfileItem> nodes, SingboxConfig singboxConfig, EMultipleLoad multipleLoad, string baseTagName = Global.ProxyTag)
     {
         try
         {
@@ -438,6 +492,29 @@ public partial class CoreConfigSingboxService
             {
                 index++;
 
+                if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+                {
+                    var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                    if (childProfiles.Count <= 0)
+                    {
+                        continue;
+                    }
+                    var childBaseTagName = $"{baseTagName}-{index}";
+                    var ret = node.ConfigType switch
+                    {
+                        EConfigType.PolicyGroup =>
+                            await GenOutboundsListWithChain(childProfiles, singboxConfig, profileGroupItem.MultipleLoad, childBaseTagName),
+                        EConfigType.ProxyChain =>
+                            await GenChainOutboundsList(childProfiles, singboxConfig, childBaseTagName),
+                        _ => throw new NotImplementedException()
+                    };
+                    if (ret == 0)
+                    {
+                        proxyTags.Add(childBaseTagName);
+                    }
+                    continue;
+                }
+
                 // Handle proxy chain
                 string? prevTag = null;
                 var currentServer = await GenServer(node);
@@ -450,7 +527,7 @@ public partial class CoreConfigSingboxService
                 var subItem = await AppManager.Instance.GetSubItem(node.Subid);
 
                 // current proxy
-                currentServer.tag = $"{Global.ProxyTag}-{index}";
+                currentServer.tag = $"{baseTagName}-{index}";
                 proxyTags.Add(currentServer.tag);
 
                 if (!node.Subid.IsNullOrEmpty())
@@ -467,7 +544,7 @@ public partial class CoreConfigSingboxService
                         {
                             var prevOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
                             await GenOutbound(prevNode, prevOutbound);
-                            prevTag = $"prev-{Global.ProxyTag}-{++prevIndex}";
+                            prevTag = $"prev-{baseTagName}-{++prevIndex}";
                             prevOutbound.tag = prevTag;
                             prevOutbounds.Add(prevOutbound);
                         }
@@ -508,16 +585,21 @@ public partial class CoreConfigSingboxService
                 var outUrltest = new Outbound4Sbox
                 {
                     type = "urltest",
-                    tag = $"{Global.ProxyTag}-auto",
+                    tag = $"{baseTagName}-auto",
                     outbounds = proxyTags,
                     interrupt_exist_connections = false,
                 };
 
+                if (multipleLoad == EMultipleLoad.Fallback)
+                {
+                    outUrltest.tolerance = 5000;
+                }
+
                 // Add selector outbound (manual selection)
                 var outSelector = new Outbound4Sbox
                 {
                     type = "selector",
-                    tag = Global.ProxyTag,
+                    tag = baseTagName,
                     outbounds = JsonUtils.DeepCopy(proxyTags),
                     interrupt_exist_connections = false,
                 };
@@ -529,12 +611,12 @@ public partial class CoreConfigSingboxService
             }
 
             // Merge results: first the selector/urltest/proxies, then other outbounds, and finally prev outbounds
-            resultOutbounds.AddRange(prevOutbounds);
+            var serverList = new List<BaseServer4Sbox>();
-            resultOutbounds.AddRange(singboxConfig.outbounds);
+            serverList = serverList.Concat(prevOutbounds)
-            singboxConfig.outbounds = resultOutbounds;
+                .Concat(resultOutbounds)
-            singboxConfig.endpoints ??= new List<Endpoints4Sbox>();
+                .Concat(resultEndpoints)
-            resultEndpoints.AddRange(singboxConfig.endpoints);
+                .ToList();
-            singboxConfig.endpoints = resultEndpoints;
+            await AddRangeOutbounds(serverList, singboxConfig, baseTagName == Global.ProxyTag);
         }
         catch (Exception ex)
         {
@@ -574,4 +656,163 @@ public partial class CoreConfigSingboxService
         }
         return null;
     }
+
+    private async Task<int> GenOutboundsList(List<ProfileItem> nodes, SingboxConfig singboxConfig, EMultipleLoad multipleLoad, string baseTagName = Global.ProxyTag)
+    {
+        var resultOutbounds = new List<Outbound4Sbox>();
+        var resultEndpoints = new List<Endpoints4Sbox>(); // For endpoints
+        var proxyTags = new List<string>(); // For selector and urltest outbounds
+        for (var i = 0; i < nodes.Count; i++)
+        {
+            var node = nodes[i];
+            if (node == null)
+                continue;
+            if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+            {
+                var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                if (childProfiles.Count <= 0)
+                {
+                    continue;
+                }
+                var childBaseTagName = $"{baseTagName}-{i + 1}";
+                var ret = node.ConfigType switch
+                {
+                    EConfigType.PolicyGroup =>
+                        await GenOutboundsList(childProfiles, singboxConfig, profileGroupItem.MultipleLoad, childBaseTagName),
+                    EConfigType.ProxyChain =>
+                        await GenChainOutboundsList(childProfiles, singboxConfig, childBaseTagName),
+                    _ => throw new NotImplementedException()
+                };
+                if (ret == 0)
+                {
+                    proxyTags.Add(childBaseTagName);
+                }
+                continue;
+            }
+            var server = await GenServer(node);
+            if (server is null)
+            {
+                break;
+            }
+            server.tag = baseTagName + (i + 1).ToString();
+            if (server is Endpoints4Sbox endpoint)
+            {
+                resultEndpoints.Add(endpoint);
+            }
+            else if (server is Outbound4Sbox outbound)
+            {
+                resultOutbounds.Add(outbound);
+            }
+            proxyTags.Add(server.tag);
+        }
+        // Add urltest outbound (auto selection based on latency)
+        if (proxyTags.Count > 0)
+        {
+            var outUrltest = new Outbound4Sbox
+            {
+                type = "urltest",
+                tag = $"{baseTagName}-auto",
+                outbounds = proxyTags,
+                interrupt_exist_connections = false,
+            };
+            if (multipleLoad == EMultipleLoad.Fallback)
+            {
+                outUrltest.tolerance = 5000;
+            }
+            // Add selector outbound (manual selection)
+            var outSelector = new Outbound4Sbox
+            {
+                type = "selector",
+                tag = baseTagName,
+                outbounds = JsonUtils.DeepCopy(proxyTags),
+                interrupt_exist_connections = false,
+            };
+            outSelector.outbounds.Insert(0, outUrltest.tag);
+            // Insert these at the beginning
+            resultOutbounds.Insert(0, outUrltest);
+            resultOutbounds.Insert(0, outSelector);
+        }
+        var serverList = new List<BaseServer4Sbox>();
+        serverList = serverList.Concat(resultOutbounds)
+            .Concat(resultEndpoints)
+            .ToList();
+        await AddRangeOutbounds(serverList, singboxConfig, baseTagName == Global.ProxyTag);
+        return await Task.FromResult(0);
+    }
+
+    private async Task<int> GenChainOutboundsList(List<ProfileItem> nodes, SingboxConfig singboxConfig, string baseTagName = Global.ProxyTag)
+    {
+        // Based on actual network flow instead of data packets
+        var nodesReverse = nodes.AsEnumerable().Reverse().ToList();
+        var resultOutbounds = new List<Outbound4Sbox>();
+        var resultEndpoints = new List<Endpoints4Sbox>(); // For endpoints
+        for (var i = 0; i < nodesReverse.Count; i++)
+        {
+            var node = nodesReverse[i];
+            var server = await GenServer(node);
+
+            if (server is null)
+            {
+                break;
+            }
+
+            if (i == 0)
+            {
+                server.tag = baseTagName;
+            }
+            else
+            {
+                server.tag = baseTagName + i.ToString();
+            }
+
+            if (i != nodesReverse.Count - 1)
+            {
+                server.detour = baseTagName + (i + 1).ToString();
+            }
+
+            if (server is Endpoints4Sbox endpoint)
+            {
+                resultEndpoints.Add(endpoint);
+            }
+            else if (server is Outbound4Sbox outbound)
+            {
+                resultOutbounds.Add(outbound);
+            }
+        }
+        var serverList = new List<BaseServer4Sbox>();
+        serverList = serverList.Concat(resultOutbounds)
+            .Concat(resultEndpoints)
+            .ToList();
+        await AddRangeOutbounds(serverList, singboxConfig, baseTagName == Global.ProxyTag);
+        return await Task.FromResult(0);
+    }
+
+    private async Task<int> AddRangeOutbounds(List<BaseServer4Sbox> servers, SingboxConfig singboxConfig, bool prepend = true)
+    {
+        try
+        {
+            if (servers is null || servers.Count <= 0)
+            {
+                return 0;
+            }
+            var outbounds = servers.Where(s => s is Outbound4Sbox).Cast<Outbound4Sbox>().ToList();
+            var endpoints = servers.Where(s => s is Endpoints4Sbox).Cast<Endpoints4Sbox>().ToList();
+            singboxConfig.endpoints ??= new();
+            if (prepend)
+            {
+                singboxConfig.outbounds.InsertRange(0, outbounds);
+                singboxConfig.endpoints.InsertRange(0, endpoints);
+            }
+            else
+            {
+                singboxConfig.outbounds.AddRange(outbounds);
+                singboxConfig.endpoints.AddRange(endpoints);
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+        }
+        return await Task.FromResult(0);
+    }
 }

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs

@@ -368,26 +368,38 @@ public partial class CoreConfigSingboxService
         }
 
         var node = await AppManager.Instance.GetProfileItemViaRemarks(outboundTag);
+
         if (node == null
-            || !Global.SingboxSupportConfigType.Contains(node.ConfigType))
+            || (!Global.SingboxSupportConfigType.Contains(node.ConfigType)
+            && node.ConfigType is not (EConfigType.PolicyGroup or EConfigType.ProxyChain)))
         {
             return Global.ProxyTag;
         }
 
-        var tag = Global.ProxyTag + node.IndexId.ToString();
+        var tag = $"{node.IndexId}-{Global.ProxyTag}";
         if (singboxConfig.outbounds.Any(o => o.tag == tag)
             || (singboxConfig.endpoints != null && singboxConfig.endpoints.Any(e => e.tag == tag)))
         {
             return tag;
         }
 
+        if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            var ret = await GenGroupOutbound(node, singboxConfig, tag);
+            if (ret == 0)
+            {
+                return tag;
+            }
+            return Global.ProxyTag;
+        }
+
         var server = await GenServer(node);
         if (server is null)
         {
             return Global.ProxyTag;
         }
 
-        server.tag = Global.ProxyTag + node.IndexId.ToString();
+        server.tag = tag;
         if (server is Endpoints4Sbox endpoint)
         {
             singboxConfig.endpoints ??= new();

v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs

@@ -16,7 +16,7 @@ public partial class CoreConfigV2rayService(Config config)
         try
         {
             if (node == null
-                || node.Port <= 0)
+                || !node.IsValid())
             {
                 ret.Msg = ResUI.CheckServerSettings;
                 return ret;
@@ -30,6 +30,17 @@ public partial class CoreConfigV2rayService(Config config)
 
             ret.Msg = ResUI.InitialConfiguration;
 
+            if (node?.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+            {
+                switch (node.ConfigType)
+                {
+                    case EConfigType.PolicyGroup:
+                        return await GenerateClientMultipleLoadConfig(node);
+                    case EConfigType.ProxyChain:
+                        return await GenerateClientChainConfig(node);
+                }
+            }
+
             var result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
             if (result.IsNullOrEmpty())
             {
@@ -71,7 +82,7 @@ public partial class CoreConfigV2rayService(Config config)
         }
     }
 
-    public async Task<RetResult> GenerateClientMultipleLoadConfig(List<ProfileItem> selecteds, EMultipleLoad multipleLoad)
+    public async Task<RetResult> GenerateClientMultipleLoadConfig(ProfileItem parentNode)
     {
         var ret = new RetResult();
 
@@ -99,70 +110,50 @@ public partial class CoreConfigV2rayService(Config config)
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
+            v2rayConfig.outbounds.RemoveAt(0);
 
             await GenLog(v2rayConfig);
             await GenInbounds(v2rayConfig);
-            await GenRouting(v2rayConfig);
-            await GenDns(null, v2rayConfig);
-            await GenStatistic(v2rayConfig);
-            v2rayConfig.outbounds.RemoveAt(0);
 
-            var proxyProfiles = new List<ProfileItem>();
+            var groupRet = await GenGroupOutbound(parentNode, v2rayConfig);
-            foreach (var it in selecteds)
+            if (groupRet != 0)
-            {
-                if (!Global.XraySupportConfigType.Contains(it.ConfigType))
-                {
-                    continue;
-                }
-                if (it.Port <= 0)
-                {
-                    continue;
-                }
-                var item = await AppManager.Instance.GetProfileItem(it.IndexId);
-                if (item is null)
-                {
-                    continue;
-                }
-                if (it.ConfigType is EConfigType.VMess or EConfigType.VLESS)
-                {
-                    if (item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id))
-                    {
-                        continue;
-                    }
-                }
-                if (item.ConfigType == EConfigType.Shadowsocks
-                  && !Global.SsSecuritiesInSingbox.Contains(item.Security))
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.VLESS && !Global.Flows.Contains(item.Flow))
-                {
-                    continue;
-                }
-
-                //outbound
-                proxyProfiles.Add(item);
-            }
-            if (proxyProfiles.Count <= 0)
             {
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
-            await GenOutboundsList(proxyProfiles, v2rayConfig);
 
-            //add balancers
+            await GenRouting(v2rayConfig);
-            await GenBalancer(v2rayConfig, multipleLoad);
+            await GenDns(null, v2rayConfig);
+            await GenStatistic(v2rayConfig);
 
-            var balancer = v2rayConfig.routing.balancers.First();
+            var defaultBalancerTag = $"{Global.ProxyTag}{Global.BalancerTagSuffix}";
 
             //add rule
-            var rules = v2rayConfig.routing.rules.Where(t => t.outboundTag == Global.ProxyTag).ToList();
+            var rules = v2rayConfig.routing.rules;
-            if (rules?.Count > 0)
+            if (rules?.Count > 0 && ((v2rayConfig.routing.balancers?.Count ?? 0) > 0))
             {
+                var balancerTagSet = v2rayConfig.routing.balancers
+                    .Select(b => b.tag)
+                    .ToHashSet();
+
                 foreach (var rule in rules)
                 {
+                    if (rule.outboundTag == null)
+                        continue;
+
+                    if (balancerTagSet.Contains(rule.outboundTag))
+                    {
+                        rule.balancerTag = rule.outboundTag;
                         rule.outboundTag = null;
-                    rule.balancerTag = balancer.tag;
+                        continue;
+                    }
+
+                    var outboundWithSuffix = rule.outboundTag + Global.BalancerTagSuffix;
+                    if (balancerTagSet.Contains(outboundWithSuffix))
+                    {
+                        rule.balancerTag = outboundWithSuffix;
+                        rule.outboundTag = null;
+                    }
                 }
             }
             if (v2rayConfig.routing.domainStrategy == Global.IPIfNonMatch)
@@ -170,7 +161,7 @@ public partial class CoreConfigV2rayService(Config config)
                 v2rayConfig.routing.rules.Add(new()
                 {
                     ip = ["0.0.0.0/0", "::/0"],
-                    balancerTag = balancer.tag,
+                    balancerTag = defaultBalancerTag,
                     type = "field"
                 });
             }
@@ -179,14 +170,71 @@ public partial class CoreConfigV2rayService(Config config)
                 v2rayConfig.routing.rules.Add(new()
                 {
                     network = "tcp,udp",
-                    balancerTag = balancer.tag,
+                    balancerTag = defaultBalancerTag,
                     type = "field"
                 });
             }
 
             ret.Success = true;
 
-            ret.Data = await ApplyFullConfigTemplate(v2rayConfig, true);
+            ret.Data = await ApplyFullConfigTemplate(v2rayConfig);
+            return ret;
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+            ret.Msg = ResUI.FailedGenDefaultConfiguration;
+            return ret;
+        }
+    }
+
+    public async Task<RetResult> GenerateClientChainConfig(ProfileItem parentNode)
+    {
+        var ret = new RetResult();
+
+        try
+        {
+            if (_config == null)
+            {
+                ret.Msg = ResUI.CheckServerSettings;
+                return ret;
+            }
+
+            ret.Msg = ResUI.InitialConfiguration;
+
+            string result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
+            string txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
+            if (result.IsNullOrEmpty() || txtOutbound.IsNullOrEmpty())
+            {
+                ret.Msg = ResUI.FailedGetDefaultConfiguration;
+                return ret;
+            }
+
+            var v2rayConfig = JsonUtils.Deserialize<V2rayConfig>(result);
+            if (v2rayConfig == null)
+            {
+                ret.Msg = ResUI.FailedGenDefaultConfiguration;
+                return ret;
+            }
+            v2rayConfig.outbounds.RemoveAt(0);
+
+            await GenLog(v2rayConfig);
+            await GenInbounds(v2rayConfig);
+
+            var groupRet = await GenGroupOutbound(parentNode, v2rayConfig);
+            if (groupRet != 0)
+            {
+                ret.Msg = ResUI.FailedGenDefaultConfiguration;
+                return ret;
+            }
+
+            await GenRouting(v2rayConfig);
+            await GenDns(null, v2rayConfig);
+            await GenStatistic(v2rayConfig);
+
+            ret.Success = true;
+
+            ret.Data = await ApplyFullConfigTemplate(v2rayConfig);
             return ret;
         }
         catch (Exception ex)
@@ -255,13 +303,10 @@ public partial class CoreConfigV2rayService(Config config)
                     continue;
                 }
                 var item = await AppManager.Instance.GetProfileItem(it.IndexId);
-                if (it.ConfigType is EConfigType.VMess or EConfigType.VLESS)
+                if (item is null || item.IsComplex() || !item.IsValid())
-                {
-                    if (item is null || item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id))
                 {
                     continue;
                 }
-                }
 
                 //find unused port
                 var port = initPort;
@@ -289,28 +334,6 @@ public partial class CoreConfigV2rayService(Config config)
                 it.Port = port;
                 it.AllowTest = true;
 
-                //outbound
-                if (item is null)
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.Shadowsocks
-                    && !Global.SsSecuritiesInXray.Contains(item.Security))
-                {
-                    continue;
-                }
-                if (item.ConfigType == EConfigType.VLESS
-                 && !Global.Flows.Contains(item.Flow))
-                {
-                    continue;
-                }
-                if (it.ConfigType is EConfigType.VLESS or EConfigType.Trojan
-                    && item.StreamSecurity == Global.StreamSecurityReality
-                    && item.PublicKey.IsNullOrEmpty())
-                {
-                    continue;
-                }
-
                 //inbound
                 Inbounds4Ray inbound = new()
                 {
@@ -321,6 +344,7 @@ public partial class CoreConfigV2rayService(Config config)
                 inbound.tag = inbound.protocol + inbound.port.ToString();
                 v2rayConfig.inbounds.Add(inbound);
 
+                //outbound
                 var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
                 await GenOutbound(item, outbound);
                 outbound.tag = Global.ProxyTag + inbound.port.ToString();
@@ -354,7 +378,8 @@ public partial class CoreConfigV2rayService(Config config)
         var ret = new RetResult();
         try
         {
-            if (node is not { Port: > 0 })
+            if (node == null
+                || !node.IsValid())
             {
                 ret.Msg = ResUI.CheckServerSettings;
                 return ret;

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs

@@ -2,24 +2,47 @@ namespace ServiceLib.Services.CoreConfig;
 
 public partial class CoreConfigV2rayService
 {
-    private async Task<int> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad)
+    private async Task<int> GenObservatory(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad, string baseTagName = Global.ProxyTag)
     {
-        if (multipleLoad == EMultipleLoad.LeastPing)
+        // Collect all existing subject selectors from both observatories
+        var subjectSelectors = new List<string>();
+        subjectSelectors.AddRange(v2rayConfig.burstObservatory?.subjectSelector ?? []);
+        subjectSelectors.AddRange(v2rayConfig.observatory?.subjectSelector ?? []);
+
+        // Case 1: exact match already exists -> nothing to do
+        if (subjectSelectors.Any(baseTagName.StartsWith))
+            return await Task.FromResult(0);
+
+        // Case 2: prefix match exists -> reuse it and move to the first position
+        var matched = subjectSelectors.FirstOrDefault(s => s.StartsWith(baseTagName));
+        if (matched is not null)
         {
-            var observatory = new Observatory4Ray
+            baseTagName = matched;
+
+            if (v2rayConfig.burstObservatory?.subjectSelector?.Contains(baseTagName) == true)
             {
-                subjectSelector = [Global.ProxyTag],
+                v2rayConfig.burstObservatory.subjectSelector.Remove(baseTagName);
-                probeUrl = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
+                v2rayConfig.burstObservatory.subjectSelector.Insert(0, baseTagName);
-                probeInterval = "3m",
-                enableConcurrency = true,
-            };
-            v2rayConfig.observatory = observatory;
             }
-        else if (multipleLoad == EMultipleLoad.LeastLoad)
+
+            if (v2rayConfig.observatory?.subjectSelector?.Contains(baseTagName) == true)
             {
-            var burstObservatory = new BurstObservatory4Ray
+                v2rayConfig.observatory.subjectSelector.Remove(baseTagName);
+                v2rayConfig.observatory.subjectSelector.Insert(0, baseTagName);
+            }
+
+            return await Task.FromResult(0);
+        }
+
+        // Case 3: need to create or insert based on multipleLoad type
+        if (multipleLoad is EMultipleLoad.LeastLoad or EMultipleLoad.Fallback)
         {
-                subjectSelector = [Global.ProxyTag],
+            if (v2rayConfig.burstObservatory is null)
+            {
+                // Create new burst observatory with default ping config
+                v2rayConfig.burstObservatory = new BurstObservatory4Ray
+                {
+                    subjectSelector = [baseTagName],
                     pingConfig = new()
                     {
                         destination = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
@@ -28,8 +51,38 @@ public partial class CoreConfigV2rayService
                         sampling = 2,
                     }
                 };
-            v2rayConfig.burstObservatory = burstObservatory;
             }
+            else
+            {
+                v2rayConfig.burstObservatory.subjectSelector ??= new();
+                v2rayConfig.burstObservatory.subjectSelector.Add(baseTagName);
+            }
+        }
+        else if (multipleLoad is EMultipleLoad.LeastPing)
+        {
+            if (v2rayConfig.observatory is null)
+            {
+                // Create new observatory with default probe config
+                v2rayConfig.observatory = new Observatory4Ray
+                {
+                    subjectSelector = [baseTagName],
+                    probeUrl = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
+                    probeInterval = "3m",
+                    enableConcurrency = true,
+                };
+            }
+            else
+            {
+                v2rayConfig.observatory.subjectSelector ??= new();
+                v2rayConfig.observatory.subjectSelector.Add(baseTagName);
+            }
+        }
+
+        return await Task.FromResult(0);
+    }
+
+    private async Task<string> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad, string selector = Global.ProxyTag)
+    {
         var strategyType = multipleLoad switch
         {
             EMultipleLoad.Random => "random",
@@ -38,13 +91,22 @@ public partial class CoreConfigV2rayService
             EMultipleLoad.LeastLoad => "leastLoad",
             _ => "roundRobin",
         };
+        var balancerTag = $"{selector}{Global.BalancerTagSuffix}";
         var balancer = new BalancersItem4Ray
         {
-            selector = [Global.ProxyTag],
+            selector = [selector],
-            strategy = new() { type = strategyType },
+            strategy = new()
-            tag = $"{Global.ProxyTag}-round",
+            {
+                type = strategyType,
+                settings = new()
+                {
+                    expected = 1,
+                },
+            },
+            tag = balancerTag,
         };
-        v2rayConfig.routing.balancers = [balancer];
+        v2rayConfig.routing.balancers ??= new();
-        return await Task.FromResult(0);
+        v2rayConfig.routing.balancers.Add(balancer);
+        return await Task.FromResult(balancerTag);
     }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs

@@ -4,7 +4,7 @@ namespace ServiceLib.Services.CoreConfig;
 
 public partial class CoreConfigV2rayService
 {
-    private async Task<string> ApplyFullConfigTemplate(V2rayConfig v2rayConfig, bool handleBalancerAndRules = false)
+    private async Task<string> ApplyFullConfigTemplate(V2rayConfig v2rayConfig)
     {
         var fullConfigTemplate = await AppManager.Instance.GetFullConfigTemplateItem(ECoreType.Xray);
         if (fullConfigTemplate == null || !fullConfigTemplate.Enabled || fullConfigTemplate.Config.IsNullOrEmpty())
@@ -19,7 +19,7 @@ public partial class CoreConfigV2rayService
         }
 
         // Handle balancer and rules modifications (for multiple load scenarios)
-        if (handleBalancerAndRules && v2rayConfig.routing?.balancers?.Count > 0)
+        if (v2rayConfig.routing?.balancers?.Count > 0)
         {
             var balancer = v2rayConfig.routing.balancers.First();
 
@@ -60,6 +60,34 @@ public partial class CoreConfigV2rayService
             }
         }
 
+        if (v2rayConfig.observatory != null)
+        {
+            if (fullConfigTemplateNode["observatory"] == null)
+            {
+                fullConfigTemplateNode["observatory"] = JsonNode.Parse(JsonUtils.Serialize(v2rayConfig.observatory));
+            }
+            else
+            {
+                var subjectSelector = v2rayConfig.observatory.subjectSelector;
+                subjectSelector.AddRange(fullConfigTemplateNode["observatory"]?["subjectSelector"]?.AsArray()?.Select(x => x?.GetValue<string>()) ?? []);
+                fullConfigTemplateNode["observatory"]["subjectSelector"] = JsonNode.Parse(JsonUtils.Serialize(subjectSelector.Distinct().ToList()));
+            }
+        }
+
+        if (v2rayConfig.burstObservatory != null)
+        {
+            if (fullConfigTemplateNode["burstObservatory"] == null)
+            {
+                fullConfigTemplateNode["burstObservatory"] = JsonNode.Parse(JsonUtils.Serialize(v2rayConfig.burstObservatory));
+            }
+            else
+            {
+                var subjectSelector = v2rayConfig.burstObservatory.subjectSelector;
+                subjectSelector.AddRange(fullConfigTemplateNode["burstObservatory"]?["subjectSelector"]?.AsArray()?.Select(x => x?.GetValue<string>()) ?? []);
+                fullConfigTemplateNode["burstObservatory"]["subjectSelector"] = JsonNode.Parse(JsonUtils.Serialize(subjectSelector.Distinct().ToList()));
+            }
+        }
+
         // Handle outbounds - append instead of override
         var customOutboundsNode = fullConfigTemplateNode["outbounds"] is JsonArray outbounds ? outbounds : new JsonArray();
         foreach (var outbound in v2rayConfig.outbounds)

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -480,6 +480,58 @@ public partial class CoreConfigV2rayService
         return 0;
     }
 
+    private async Task<int> GenGroupOutbound(ProfileItem node, V2rayConfig v2rayConfig, string baseTagName = Global.ProxyTag, bool ignoreOriginChain = false)
+    {
+        try
+        {
+            if (node.ConfigType is not (EConfigType.PolicyGroup or EConfigType.ProxyChain))
+            {
+                return -1;
+            }
+            var hasCycle = ProfileGroupItemManager.HasCycle(node.IndexId);
+            if (hasCycle)
+            {
+                return -1;
+            }
+
+            var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+            if (childProfiles.Count <= 0)
+            {
+                return -1;
+            }
+            switch (node.ConfigType)
+            {
+                case EConfigType.PolicyGroup:
+                    if (ignoreOriginChain)
+                    {
+                        await GenOutboundsList(childProfiles, v2rayConfig, baseTagName);
+                    }
+                    else
+                    {
+                        await GenOutboundsListWithChain(childProfiles, v2rayConfig, baseTagName);
+                    }
+                    break;
+                case EConfigType.ProxyChain:
+                    await GenChainOutboundsList(childProfiles, v2rayConfig, baseTagName);
+                    break;
+                default:
+                    break;
+            }
+
+            //add balancers
+            if (node.ConfigType == EConfigType.PolicyGroup)
+            {
+                await GenObservatory(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
+                await GenBalancer(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog(_tag, ex);
+        }
+        return await Task.FromResult(0);
+    }
+
     private async Task<int> GenMoreOutbounds(ProfileItem node, V2rayConfig v2rayConfig)
     {
         //fragment proxy
@@ -552,7 +604,7 @@ public partial class CoreConfigV2rayService
         return 0;
     }
 
-    private async Task<int> GenOutboundsList(List<ProfileItem> nodes, V2rayConfig v2rayConfig)
+    private async Task<int> GenOutboundsListWithChain(List<ProfileItem> nodes, V2rayConfig v2rayConfig, string baseTagName = Global.ProxyTag)
     {
         try
         {
@@ -577,6 +629,25 @@ public partial class CoreConfigV2rayService
             {
                 index++;
 
+                if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+                {
+                    var (childProfiles, _) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                    if (childProfiles.Count <= 0)
+                    {
+                        continue;
+                    }
+                    var childBaseTagName = $"{baseTagName}-{index}";
+                    var ret = node.ConfigType switch
+                    {
+                        EConfigType.PolicyGroup =>
+                            await GenOutboundsListWithChain(childProfiles, v2rayConfig, childBaseTagName),
+                        EConfigType.ProxyChain =>
+                            await GenChainOutboundsList(childProfiles, v2rayConfig, childBaseTagName),
+                        _ => throw new NotImplementedException()
+                    };
+                    continue;
+                }
+
                 // Handle proxy chain
                 string? prevTag = null;
                 var currentOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
@@ -590,7 +661,7 @@ public partial class CoreConfigV2rayService
 
                 // current proxy
                 await GenOutbound(node, currentOutbound);
-                currentOutbound.tag = $"{Global.ProxyTag}-{index}";
+                currentOutbound.tag = $"{baseTagName}-{index}";
 
                 if (!node.Subid.IsNullOrEmpty())
                 {
@@ -606,7 +677,7 @@ public partial class CoreConfigV2rayService
                         {
                             var prevOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
                             await GenOutbound(prevNode, prevOutbound);
-                            prevTag = $"prev-{Global.ProxyTag}-{++prevIndex}";
+                            prevTag = $"prev-{baseTagName}-{++prevIndex}";
                             prevOutbound.tag = prevTag;
                             prevOutbounds.Add(prevOutbound);
                         }
@@ -628,10 +699,18 @@ public partial class CoreConfigV2rayService
             }
 
             // Merge results: first the main chain outbounds, then other outbounds, and finally utility outbounds
+            if (baseTagName == Global.ProxyTag)
+            {
                 resultOutbounds.AddRange(prevOutbounds);
                 resultOutbounds.AddRange(v2rayConfig.outbounds);
                 v2rayConfig.outbounds = resultOutbounds;
             }
+            else
+            {
+                v2rayConfig.outbounds.AddRange(prevOutbounds);
+                v2rayConfig.outbounds.AddRange(resultOutbounds);
+            }
+        }
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
@@ -692,4 +771,110 @@ public partial class CoreConfigV2rayService
         }
         return null;
     }
+
+    private async Task<int> GenOutboundsList(List<ProfileItem> nodes, V2rayConfig v2rayConfig, string baseTagName = Global.ProxyTag)
+    {
+        var resultOutbounds = new List<Outbounds4Ray>();
+        for (var i = 0; i < nodes.Count; i++)
+        {
+            var node = nodes[i];
+            if (node == null)
+                continue;
+            if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+            {
+                var (childProfiles, _) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                if (childProfiles.Count <= 0)
+                {
+                    continue;
+                }
+                var childBaseTagName = $"{baseTagName}-{i + 1}";
+                var ret = node.ConfigType switch
+                {
+                    EConfigType.PolicyGroup =>
+                        await GenOutboundsListWithChain(childProfiles, v2rayConfig, childBaseTagName),
+                    EConfigType.ProxyChain =>
+                        await GenChainOutboundsList(childProfiles, v2rayConfig, childBaseTagName),
+                    _ => throw new NotImplementedException()
+                };
+                continue;
+            }
+            var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
+            if (txtOutbound.IsNullOrEmpty())
+            {
+                break;
+            }
+            var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
+            var result = await GenOutbound(node, outbound);
+            if (result != 0)
+            {
+                break;
+            }
+            outbound.tag = baseTagName + (i + 1).ToString();
+            resultOutbounds.Add(outbound);
+        }
+        if (baseTagName == Global.ProxyTag)
+        {
+            resultOutbounds.AddRange(v2rayConfig.outbounds);
+            v2rayConfig.outbounds = resultOutbounds;
+        }
+        else
+        {
+            v2rayConfig.outbounds.AddRange(resultOutbounds);
+        }
+        return await Task.FromResult(0);
+    }
+
+    private async Task<int> GenChainOutboundsList(List<ProfileItem> nodes, V2rayConfig v2rayConfig, string baseTagName = Global.ProxyTag)
+    {
+        // Based on actual network flow instead of data packets
+        var nodesReverse = nodes.AsEnumerable().Reverse().ToList();
+        var resultOutbounds = new List<Outbounds4Ray>();
+        for (var i = 0; i < nodesReverse.Count; i++)
+        {
+            var node = nodesReverse[i];
+            var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
+            if (txtOutbound.IsNullOrEmpty())
+            {
+                break;
+            }
+            var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
+            var result = await GenOutbound(node, outbound);
+
+            if (result != 0)
+            {
+                break;
+            }
+
+            if (i == 0)
+            {
+                outbound.tag = baseTagName;
+            }
+            else
+            {
+                // avoid v2ray observe
+                outbound.tag = "chain-" + baseTagName + i.ToString();
+            }
+
+            if (i != nodesReverse.Count - 1)
+            {
+                outbound.streamSettings.sockopt = new()
+                {
+                    dialerProxy = "chain-" + baseTagName + (i + 1).ToString()
+                };
+            }
+
+            resultOutbounds.Add(outbound);
+        }
+        if (baseTagName == Global.ProxyTag)
+        {
+            resultOutbounds.AddRange(v2rayConfig.outbounds);
+            v2rayConfig.outbounds = resultOutbounds;
+        }
+        else
+        {
+            v2rayConfig.outbounds.AddRange(resultOutbounds);
+        }
+
+        return await Task.FromResult(0);
+    }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayRoutingService.cs

@@ -125,18 +125,30 @@ public partial class CoreConfigV2rayService
         }
 
         var node = await AppManager.Instance.GetProfileItemViaRemarks(outboundTag);
+
         if (node == null
-            || !Global.XraySupportConfigType.Contains(node.ConfigType))
+            || (!Global.XraySupportConfigType.Contains(node.ConfigType)
+            && node.ConfigType is not (EConfigType.PolicyGroup or EConfigType.ProxyChain)))
         {
             return Global.ProxyTag;
         }
 
-        var tag = Global.ProxyTag + node.IndexId.ToString();
+        var tag = $"{node.IndexId}-{Global.ProxyTag}";
         if (v2rayConfig.outbounds.Any(p => p.tag == tag))
         {
             return tag;
         }
 
+        if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            var ret = await GenGroupOutbound(node, v2rayConfig, tag);
+            if (ret == 0)
+            {
+                return tag;
+            }
+            return Global.ProxyTag;
+        }
+
         var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
         var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
         await GenOutbound(node, outbound);

v2rayN/ServiceLib/Services/ProcessService.cs

@@ -0,0 +1,183 @@
+using System.Diagnostics;
+using System.Text;
+
+namespace ServiceLib.Services;
+
+public class ProcessService : IDisposable
+{
+    private readonly Process _process;
+    private readonly Func<bool, string, Task>? _updateFunc;
+    private bool _isDisposed;
+
+    public int Id => _process.Id;
+    public IntPtr Handle => _process.Handle;
+    public bool HasExited => _process.HasExited;
+
+    public ProcessService(
+        string fileName,
+        string arguments,
+        string workingDirectory,
+        bool displayLog,
+        bool redirectInput,
+        Dictionary<string, string>? environmentVars,
+        Func<bool, string, Task>? updateFunc)
+    {
+        _updateFunc = updateFunc;
+
+        _process = new Process
+        {
+            StartInfo = new ProcessStartInfo
+            {
+                FileName = fileName,
+                Arguments = arguments,
+                WorkingDirectory = workingDirectory,
+                UseShellExecute = false,
+                RedirectStandardInput = redirectInput,
+                RedirectStandardOutput = displayLog,
+                RedirectStandardError = displayLog,
+                CreateNoWindow = true,
+                StandardOutputEncoding = displayLog ? Encoding.UTF8 : null,
+                StandardErrorEncoding = displayLog ? Encoding.UTF8 : null,
+            },
+            EnableRaisingEvents = true
+        };
+
+        if (environmentVars != null)
+        {
+            foreach (var kv in environmentVars)
+            {
+                _process.StartInfo.Environment[kv.Key] = kv.Value;
+            }
+        }
+
+        if (displayLog)
+        {
+            RegisterEventHandlers();
+        }
+    }
+
+    public async Task StartAsync(string pwd = null)
+    {
+        _process.Start();
+
+        if (_process.StartInfo.RedirectStandardOutput)
+        {
+            _process.BeginOutputReadLine();
+            _process.BeginErrorReadLine();
+        }
+
+        if (_process.StartInfo.RedirectStandardInput)
+        {
+            await Task.Delay(10);
+            await _process.StandardInput.WriteLineAsync(pwd);
+        }
+    }
+
+    public async Task StopAsync()
+    {
+        if (_process.HasExited)
+        {
+            return;
+        }
+
+        try
+        {
+            if (_process.StartInfo.RedirectStandardOutput)
+            {
+                try
+                {
+                    _process.CancelOutputRead();
+                }
+                catch { }
+                try
+                {
+                    _process.CancelErrorRead();
+                }
+                catch { }
+            }
+
+            try
+            {
+                if (Utils.IsNonWindows())
+                {
+                    _process.Kill(true);
+                }
+            }
+            catch { }
+
+            try
+            {
+                _process.Kill();
+            }
+            catch { }
+
+            await Task.Delay(100);
+        }
+        catch (Exception ex)
+        {
+            await _updateFunc?.Invoke(true, ex.Message);
+        }
+    }
+
+    private void RegisterEventHandlers()
+    {
+        void dataHandler(object sender, DataReceivedEventArgs e)
+        {
+            if (e.Data.IsNotEmpty())
+            {
+                _ = _updateFunc?.Invoke(false, e.Data + Environment.NewLine);
+            }
+        }
+
+        _process.OutputDataReceived += dataHandler;
+        _process.ErrorDataReceived += dataHandler;
+
+        _process.Exited += (s, e) =>
+        {
+            try
+            {
+                _process.OutputDataReceived -= dataHandler;
+                _process.ErrorDataReceived -= dataHandler;
+            }
+            catch
+            {
+            }
+        };
+    }
+
+    public void Dispose()
+    {
+        if (_isDisposed)
+        {
+            return;
+        }
+
+        try
+        {
+            if (!_process.HasExited)
+            {
+                try
+                {
+                    _process.CancelOutputRead();
+                }
+                catch { }
+                try
+                {
+                    _process.CancelErrorRead();
+                }
+                catch { }
+
+                _process.Kill();
+            }
+
+            _process.Dispose();
+        }
+        catch (Exception ex)
+        {
+            _updateFunc?.Invoke(true, ex.Message);
+        }
+
+        _isDisposed = true;
+        GC.SuppressFinalize(this);
+    }
+}

v2rayN/ServiceLib/Services/SpeedtestService.cs

@@ -182,11 +182,11 @@ public class SpeedtestService(Config config, Func<SpeedTestResult, Task> updateF
 
     private async Task<bool> RunRealPingAsync(List<ServerTestItem> selecteds, string exitLoopKey)
     {
-        var pid = -1;
+        ProcessService processService = null;
         try
         {
-            pid = await CoreManager.Instance.LoadCoreConfigSpeedtest(selecteds);
+            processService = await CoreManager.Instance.LoadCoreConfigSpeedtest(selecteds);
-            if (pid < 0)
+            if (processService is null)
             {
                 return false;
             }
@@ -216,10 +216,7 @@ public class SpeedtestService(Config config, Func<SpeedTestResult, Task> updateF
         }
         finally
         {
-            if (pid > 0)
+            await processService?.StopAsync();
-            {
-                await ProcUtils.ProcessKill(pid);
-            }
         }
         return true;
     }
@@ -244,11 +241,11 @@ public class SpeedtestService(Config config, Func<SpeedTestResult, Task> updateF
 
             tasks.Add(Task.Run(async () =>
             {
-                var pid = -1;
+                ProcessService processService = null;
                 try
                 {
-                    pid = await CoreManager.Instance.LoadCoreConfigSpeedtest(it);
+                    processService = await CoreManager.Instance.LoadCoreConfigSpeedtest(it);
-                    if (pid < 0)
+                    if (processService is null)
                     {
                         await UpdateFunc(it.IndexId, "", ResUI.FailedToRunCore);
                     }
@@ -275,10 +272,7 @@ public class SpeedtestService(Config config, Func<SpeedTestResult, Task> updateF
                 }
                 finally
                 {
-                    if (pid > 0)
+                    await processService?.StopAsync();
-                    {
-                        await ProcUtils.ProcessKill(pid);
-                    }
                     concurrencySemaphore.Release();
                 }
             }));

v2rayN/ServiceLib/ViewModels/AddGroupServerViewModel.cs

@@ -0,0 +1,225 @@
+using System.Reactive;
+using DynamicData.Binding;
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
+namespace ServiceLib.ViewModels;
+
+public class AddGroupServerViewModel : MyReactiveObject
+{
+    [Reactive]
+    public ProfileItem SelectedSource { get; set; }
+
+    [Reactive]
+    public ProfileItem SelectedChild { get; set; }
+
+    [Reactive]
+    public IList<ProfileItem> SelectedChildren { get; set; }
+
+    [Reactive]
+    public string? CoreType { get; set; }
+
+    [Reactive]
+    public string? PolicyGroupType { get; set; }
+
+    public IObservableCollection<ProfileItem> ChildItemsObs { get; } = new ObservableCollectionExtended<ProfileItem>();
+
+    //public ReactiveCommand<Unit, Unit> AddCmd { get; }
+    public ReactiveCommand<Unit, Unit> RemoveCmd { get; }
+    public ReactiveCommand<Unit, Unit> MoveTopCmd { get; }
+    public ReactiveCommand<Unit, Unit> MoveUpCmd { get; }
+    public ReactiveCommand<Unit, Unit> MoveDownCmd { get; }
+    public ReactiveCommand<Unit, Unit> MoveBottomCmd { get; }
+
+    public ReactiveCommand<Unit, Unit> SaveCmd { get; }
+
+    public AddGroupServerViewModel(ProfileItem profileItem, Func<EViewAction, object?, Task<bool>>? updateView)
+    {
+        _config = AppManager.Instance.Config;
+        _updateView = updateView;
+
+        var canEditRemove = this.WhenAnyValue(
+            x => x.SelectedChild,
+            SelectedChild => SelectedChild != null && !SelectedChild.Remarks.IsNullOrEmpty());
+
+        RemoveCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await ChildRemoveAsync();
+        }, canEditRemove);
+        MoveTopCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await MoveServer(EMove.Top);
+        }, canEditRemove);
+        MoveUpCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await MoveServer(EMove.Up);
+        }, canEditRemove);
+        MoveDownCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await MoveServer(EMove.Down);
+        }, canEditRemove);
+        MoveBottomCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await MoveServer(EMove.Bottom);
+        }, canEditRemove);
+        SaveCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await SaveServerAsync();
+        });
+
+        SelectedSource = profileItem.IndexId.IsNullOrEmpty() ? profileItem : JsonUtils.DeepCopy(profileItem);
+
+        CoreType = (SelectedSource?.CoreType ?? ECoreType.Xray).ToString();
+
+        ProfileGroupItemManager.Instance.TryGet(profileItem.IndexId, out var profileGroup);
+        PolicyGroupType = (profileGroup?.MultipleLoad ?? EMultipleLoad.LeastPing) switch
+        {
+            EMultipleLoad.LeastPing => ResUI.TbLeastPing,
+            EMultipleLoad.Fallback => ResUI.TbFallback,
+            EMultipleLoad.Random => ResUI.TbRandom,
+            EMultipleLoad.RoundRobin => ResUI.TbRoundRobin,
+            EMultipleLoad.LeastLoad => ResUI.TbLeastLoad,
+            _ => ResUI.TbLeastPing,
+        };
+
+        _ = Init();
+    }
+
+    public async Task Init()
+    {
+        var childItemMulti = ProfileGroupItemManager.Instance.GetOrCreateAndMarkDirty(SelectedSource?.IndexId);
+        if (childItemMulti != null)
+        {
+            var childIndexIds = childItemMulti.ChildItems.IsNullOrEmpty() ? new List<string>() : Utils.String2List(childItemMulti.ChildItems);
+            foreach (var item in childIndexIds)
+            {
+                var child = await AppManager.Instance.GetProfileItem(item);
+                if (child == null)
+                {
+                    continue;
+                }
+                ChildItemsObs.Add(child);
+            }
+        }
+    }
+
+    public async Task ChildRemoveAsync()
+    {
+        if (SelectedChild == null || SelectedChild.IndexId.IsNullOrEmpty())
+        {
+            NoticeManager.Instance.Enqueue(ResUI.PleaseSelectServer);
+            return;
+        }
+        foreach (var it in SelectedChildren ?? [SelectedChild])
+        {
+            if (it != null)
+            {
+                ChildItemsObs.Remove(it);
+            }
+        }
+        await Task.CompletedTask;
+    }
+
+    public async Task MoveServer(EMove eMove)
+    {
+        if (SelectedChild == null || SelectedChild.IndexId.IsNullOrEmpty())
+        {
+            NoticeManager.Instance.Enqueue(ResUI.PleaseSelectServer);
+            return;
+        }
+        var index = ChildItemsObs.IndexOf(SelectedChild);
+        if (index < 0)
+        {
+            return;
+        }
+        var selectedChild = JsonUtils.DeepCopy(SelectedChild);
+        switch (eMove)
+        {
+            case EMove.Top:
+                if (index == 0)
+                {
+                    return;
+                }
+                ChildItemsObs.RemoveAt(index);
+                ChildItemsObs.Insert(0, selectedChild);
+                break;
+            case EMove.Up:
+                if (index == 0)
+                {
+                    return;
+                }
+                ChildItemsObs.RemoveAt(index);
+                ChildItemsObs.Insert(index - 1, selectedChild);
+                break;
+            case EMove.Down:
+                if (index == ChildItemsObs.Count - 1)
+                {
+                    return;
+                }
+                ChildItemsObs.RemoveAt(index);
+                ChildItemsObs.Insert(index + 1, selectedChild);
+                break;
+            case EMove.Bottom:
+                if (index == ChildItemsObs.Count - 1)
+                {
+                    return;
+                }
+                ChildItemsObs.RemoveAt(index);
+                ChildItemsObs.Add(selectedChild);
+                break;
+            default:
+                break;
+        }
+        await Task.CompletedTask;
+    }
+
+    private async Task SaveServerAsync()
+    {
+        var remarks = SelectedSource.Remarks;
+        if (remarks.IsNullOrEmpty())
+        {
+            NoticeManager.Instance.Enqueue(ResUI.PleaseFillRemarks);
+            return;
+        }
+        if (ChildItemsObs.Count == 0)
+        {
+            NoticeManager.Instance.Enqueue(ResUI.PleaseAddAtLeastOneServer);
+            return;
+        }
+        SelectedSource.CoreType = CoreType.IsNullOrEmpty() ? ECoreType.Xray : (ECoreType)Enum.Parse(typeof(ECoreType), CoreType);
+        if (SelectedSource.CoreType is not (ECoreType.Xray or ECoreType.sing_box) ||
+            SelectedSource.ConfigType is not (EConfigType.ProxyChain or EConfigType.PolicyGroup))
+        {
+            return;
+        }
+        var childIndexIds = new List<string>();
+        foreach (var item in ChildItemsObs)
+        {
+            if (item.IndexId.IsNullOrEmpty())
+            {
+                continue;
+            }
+            childIndexIds.Add(item.IndexId);
+        }
+        var profileGroup = ProfileGroupItemManager.Instance.GetOrCreateAndMarkDirty(SelectedSource.IndexId);
+        profileGroup.ChildItems = Utils.List2String(childIndexIds);
+        profileGroup.MultipleLoad = PolicyGroupType switch
+        {
+            var s when s == ResUI.TbLeastPing => EMultipleLoad.LeastPing,
+            var s when s == ResUI.TbFallback => EMultipleLoad.Fallback,
+            var s when s == ResUI.TbRandom => EMultipleLoad.Random,
+            var s when s == ResUI.TbRoundRobin => EMultipleLoad.RoundRobin,
+            var s when s == ResUI.TbLeastLoad => EMultipleLoad.LeastLoad,
+            _ => EMultipleLoad.LeastPing,
+        };
+        if (await ConfigHandler.AddGroupServerCommon(_config, SelectedSource, profileGroup, true) == 0)
+        {
+            NoticeManager.Instance.Enqueue(ResUI.OperationSuccess);
+            _updateView?.Invoke(EViewAction.CloseWindow, null);
+        }
+        else
+        {
+            NoticeManager.Instance.Enqueue(ResUI.OperationFailed);
+        }
+    }
+}

v2rayN/ServiceLib/ViewModels/DNSSettingViewModel.cs

@@ -1,4 +1,5 @@
 using System.Reactive;
+using System.Reactive.Linq;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 
@@ -32,6 +33,8 @@ public class DNSSettingViewModel : MyReactiveObject
     [Reactive] public bool RayCustomDNSEnableCompatible { get; set; }
     [Reactive] public bool SBCustomDNSEnableCompatible { get; set; }
 
+    [ObservableAsProperty] public bool IsSimpleDNSEnabled { get; }
+
     public ReactiveCommand<Unit, Unit> SaveCmd { get; }
     public ReactiveCommand<Unit, Unit> ImportDefConfig4V2rayCompatibleCmd { get; }
     public ReactiveCommand<Unit, Unit> ImportDefConfig4SingboxCompatibleCmd { get; }
@@ -55,6 +58,10 @@ public class DNSSettingViewModel : MyReactiveObject
             await Task.CompletedTask;
         });
 
+        this.WhenAnyValue(x => x.RayCustomDNSEnableCompatible, x => x.SBCustomDNSEnableCompatible)
+            .Select(x => !(x.Item1 && x.Item2))
+            .ToPropertyEx(this, x => x.IsSimpleDNSEnabled);
+
         _ = Init();
     }
 

v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs

@@ -23,6 +23,8 @@ public class MainWindowViewModel : MyReactiveObject
     public ReactiveCommand<Unit, Unit> AddWireguardServerCmd { get; }
     public ReactiveCommand<Unit, Unit> AddAnytlsServerCmd { get; }
     public ReactiveCommand<Unit, Unit> AddCustomServerCmd { get; }
+    public ReactiveCommand<Unit, Unit> AddPolicyGroupServerCmd { get; }
+    public ReactiveCommand<Unit, Unit> AddProxyChainServerCmd { get; }
     public ReactiveCommand<Unit, Unit> AddServerViaClipboardCmd { get; }
     public ReactiveCommand<Unit, Unit> AddServerViaScanCmd { get; }
     public ReactiveCommand<Unit, Unit> AddServerViaImageCmd { get; }
@@ -122,6 +124,14 @@ public class MainWindowViewModel : MyReactiveObject
         {
             await AddServerAsync(true, EConfigType.Custom);
         });
+        AddPolicyGroupServerCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await AddServerAsync(true, EConfigType.PolicyGroup);
+        });
+        AddProxyChainServerCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await AddServerAsync(true, EConfigType.ProxyChain);
+        });
         AddServerViaClipboardCmd = ReactiveCommand.CreateFromTask(async () =>
         {
             await AddServerViaClipboardAsync(null);
@@ -252,6 +262,7 @@ public class MainWindowViewModel : MyReactiveObject
         await ConfigHandler.InitBuiltinDNS(_config);
         await ConfigHandler.InitBuiltinFullConfigTemplate(_config);
         await ProfileExManager.Instance.Init();
+        await ProfileGroupItemManager.Instance.Init();
         await CoreManager.Instance.Init(_config, UpdateHandler);
         TaskManager.Instance.RegUpdateTask(_config, UpdateTaskHandler);
 
@@ -340,6 +351,10 @@ public class MainWindowViewModel : MyReactiveObject
         {
             ret = await _updateView?.Invoke(EViewAction.AddServer2Window, item);
         }
+        else if (eConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            ret = await _updateView?.Invoke(EViewAction.AddGroupServerWindow, item);
+        }
         else
         {
             ret = await _updateView?.Invoke(EViewAction.AddServerWindow, item);

v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs

@@ -52,11 +52,13 @@ public class ProfilesViewModel : MyReactiveObject
     public ReactiveCommand<Unit, Unit> CopyServerCmd { get; }
     public ReactiveCommand<Unit, Unit> SetDefaultServerCmd { get; }
     public ReactiveCommand<Unit, Unit> ShareServerCmd { get; }
-    public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerXrayRandomCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerXrayRandomCmd { get; }
-    public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerXrayRoundRobinCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerXrayRoundRobinCmd { get; }
-    public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerXrayLeastPingCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerXrayLeastPingCmd { get; }
-    public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerXrayLeastLoadCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerXrayLeastLoadCmd { get; }
-    public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerSingBoxLeastPingCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerXrayFallbackCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerSingBoxLeastPingCmd { get; }
+    public ReactiveCommand<Unit, Unit> GenGroupMultipleServerSingBoxFallbackCmd { get; }
 
     //servers move
     public ReactiveCommand<Unit, Unit> MoveTopCmd { get; }
@@ -138,25 +140,33 @@ public class ProfilesViewModel : MyReactiveObject
         {
             await ShareServerAsync();
         }, canEditRemove);
-        SetDefaultMultipleServerXrayRandomCmd = ReactiveCommand.CreateFromTask(async () =>
+        GenGroupMultipleServerXrayRandomCmd = ReactiveCommand.CreateFromTask(async () =>
         {
-            await SetDefaultMultipleServer(ECoreType.Xray, EMultipleLoad.Random);
+            await GenGroupMultipleServer(ECoreType.Xray, EMultipleLoad.Random);
         }, canEditRemove);
-        SetDefaultMultipleServerXrayRoundRobinCmd = ReactiveCommand.CreateFromTask(async () =>
+        GenGroupMultipleServerXrayRoundRobinCmd = ReactiveCommand.CreateFromTask(async () =>
         {
-            await SetDefaultMultipleServer(ECoreType.Xray, EMultipleLoad.RoundRobin);
+            await GenGroupMultipleServer(ECoreType.Xray, EMultipleLoad.RoundRobin);
         }, canEditRemove);
-        SetDefaultMultipleServerXrayLeastPingCmd = ReactiveCommand.CreateFromTask(async () =>
+        GenGroupMultipleServerXrayLeastPingCmd = ReactiveCommand.CreateFromTask(async () =>
         {
-            await SetDefaultMultipleServer(ECoreType.Xray, EMultipleLoad.LeastPing);
+            await GenGroupMultipleServer(ECoreType.Xray, EMultipleLoad.LeastPing);
         }, canEditRemove);
-        SetDefaultMultipleServerXrayLeastLoadCmd = ReactiveCommand.CreateFromTask(async () =>
+        GenGroupMultipleServerXrayLeastLoadCmd = ReactiveCommand.CreateFromTask(async () =>
         {
-            await SetDefaultMultipleServer(ECoreType.Xray, EMultipleLoad.LeastLoad);
+            await GenGroupMultipleServer(ECoreType.Xray, EMultipleLoad.LeastLoad);
         }, canEditRemove);
-        SetDefaultMultipleServerSingBoxLeastPingCmd = ReactiveCommand.CreateFromTask(async () =>
+        GenGroupMultipleServerXrayFallbackCmd = ReactiveCommand.CreateFromTask(async () =>
         {
-            await SetDefaultMultipleServer(ECoreType.sing_box, EMultipleLoad.LeastPing);
+            await GenGroupMultipleServer(ECoreType.Xray, EMultipleLoad.Fallback);
+        }, canEditRemove);
+        GenGroupMultipleServerSingBoxLeastPingCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await GenGroupMultipleServer(ECoreType.sing_box, EMultipleLoad.LeastPing);
+        }, canEditRemove);
+        GenGroupMultipleServerSingBoxFallbackCmd = ReactiveCommand.CreateFromTask(async () =>
+        {
+            await GenGroupMultipleServer(ECoreType.sing_box, EMultipleLoad.Fallback);
         }, canEditRemove);
 
         //servers move
@@ -500,6 +510,10 @@ public class ProfilesViewModel : MyReactiveObject
         {
             ret = await _updateView?.Invoke(EViewAction.AddServer2Window, item);
         }
+        else if (eConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            ret = await _updateView?.Invoke(EViewAction.AddGroupServerWindow, item);
+        }
         else
         {
             ret = await _updateView?.Invoke(EViewAction.AddServerWindow, item);
@@ -615,7 +629,7 @@ public class ProfilesViewModel : MyReactiveObject
         await _updateView?.Invoke(EViewAction.ShareServer, url);
     }
 
-    private async Task SetDefaultMultipleServer(ECoreType coreType, EMultipleLoad multipleLoad)
+    private async Task GenGroupMultipleServer(ECoreType coreType, EMultipleLoad multipleLoad)
     {
         var lstSelected = await GetProfileItems(true);
         if (lstSelected == null)
@@ -623,7 +637,7 @@ public class ProfilesViewModel : MyReactiveObject
             return;
         }
 
-        var ret = await ConfigHandler.AddCustomServer4Multiple(_config, lstSelected, coreType, multipleLoad);
+        var ret = await ConfigHandler.AddGroupServer4Multiple(_config, lstSelected, coreType, multipleLoad, SelectedSub?.Id);
         if (ret.Success != true)
         {
             NoticeManager.Instance.Enqueue(ResUI.OperationFailed);

v2rayN/v2rayN.Desktop/App.axaml

@@ -20,7 +20,6 @@
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="Assets/GlobalResources.axaml" />
-                <ResourceInclude Source="Controls/AutoCompleteBox.axaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Application.Resources>

v2rayN/v2rayN.Desktop/Common/AvaUtils.cs

@@ -1,6 +1,7 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
+using Avalonia.Input.Platform;
 using Avalonia.Media.Imaging;
 using Avalonia.Platform;
 
@@ -18,7 +19,7 @@ internal class AvaUtils
                 return null;
             }
 
-            return await clipboard.GetTextAsync();
+            return await clipboard.TryGetTextAsync();
         }
         catch
         {
@@ -33,9 +34,7 @@ internal class AvaUtils
             var clipboard = TopLevel.GetTopLevel(visual)?.Clipboard;
             if (clipboard == null)
                 return;
-            var dataObject = new DataObject();
+            await clipboard.SetTextAsync(strData);
-            dataObject.Set(DataFormats.Text, strData);
-            await clipboard.SetDataObjectAsync(dataObject);
         }
         catch
         {

v2rayN/v2rayN.Desktop/Controls/AutoCompleteBox.axaml

@@ -1,48 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:controls="clr-namespace:v2rayN.Desktop.Controls">
-    <!--  Add Resources Here  -->
-    <ControlTheme x:Key="{x:Type controls:AutoCompleteBox}" TargetType="controls:AutoCompleteBox">
-        <Setter Property="VerticalAlignment" Value="Center" />
-        <Setter Property="MinHeight" Value="{DynamicResource AutoCompleteBoxDefaultHeight}" />
-        <Setter Property="MaxDropDownHeight" Value="{DynamicResource AutoCompleteMaxDropdownHeight}" />
-        <Setter Property="Template">
-            <ControlTemplate TargetType="AutoCompleteBox">
-                <Panel>
-                    <TextBox
-                        Name="PART_TextBox"
-                        MinHeight="{TemplateBinding MinHeight}"
-                        VerticalAlignment="Stretch"
-                        DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
-                        InnerLeftContent="{TemplateBinding InnerLeftContent}"
-                        InnerRightContent="{TemplateBinding InnerRightContent}"
-                        Watermark="{TemplateBinding Watermark}" />
-                    <Popup
-                        Name="PART_Popup"
-                        MaxHeight="{TemplateBinding MaxDropDownHeight}"
-                        IsLightDismissEnabled="True"
-                        PlacementTarget="{TemplateBinding}">
-                        <Border
-                            MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
-                            Margin="{DynamicResource AutoCompleteBoxPopupMargin}"
-                            Padding="{DynamicResource AutoCompleteBoxPopupPadding}"
-                            HorizontalAlignment="Stretch"
-                            Background="{DynamicResource AutoCompleteBoxPopupBackground}"
-                            BorderBrush="{DynamicResource AutoCompleteBoxPopupBorderBrush}"
-                            BorderThickness="{DynamicResource AutoCompleteBoxPopupBorderThickness}"
-                            BoxShadow="{DynamicResource AutoCompleteBoxPopupBoxShadow}"
-                            CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}">
-                            <ListBox
-                                Name="PART_SelectingItemsControl"
-                                Foreground="{TemplateBinding Foreground}"
-                                ItemTemplate="{TemplateBinding ItemTemplate}"
-                                ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                                ScrollViewer.VerticalScrollBarVisibility="Auto" />
-                        </Border>
-                    </Popup>
-                </Panel>
-            </ControlTemplate>
-        </Setter>
-    </ControlTheme>
-</ResourceDictionary>

v2rayN/v2rayN.Desktop/Controls/AutoCompleteBox.cs

@@ -1,40 +0,0 @@
-using Avalonia.Input;
-using Avalonia.Interactivity;
-
-namespace v2rayN.Desktop.Controls;
-
-public class AutoCompleteBox : Avalonia.Controls.AutoCompleteBox
-{
-    static AutoCompleteBox()
-    {
-        MinimumPrefixLengthProperty.OverrideDefaultValue<AutoCompleteBox>(0);
-    }
-
-    public AutoCompleteBox()
-    {
-        AddHandler(PointerPressedEvent, OnBoxPointerPressed, RoutingStrategies.Tunnel);
-    }
-
-    private void OnBoxPointerPressed(object? sender, PointerPressedEventArgs e)
-    {
-        if (Equals(sender, this) && e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
-        {
-            SetCurrentValue(IsDropDownOpenProperty, true);
-        }
-    }
-
-    protected override void OnGotFocus(GotFocusEventArgs e)
-    {
-        base.OnGotFocus(e);
-        if (IsDropDownOpen)
-        {
-            return;
-        }
-        SetCurrentValue(IsDropDownOpenProperty, true);
-    }
-
-    public void Clear()
-    {
-        SetCurrentValue(SelectedItemProperty, null);
-    }
-}

v2rayN/v2rayN.Desktop/Views/AddGroupServerWindow.axaml

@@ -0,0 +1,151 @@
+<Window
+    x:Class="v2rayN.Desktop.Views.AddGroupServerWindow"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
+    xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
+    Title="{x:Static resx:ResUI.menuServers}"
+    Width="900"
+    Height="700"
+    x:DataType="vms:AddGroupServerViewModel"
+    ShowInTaskbar="False"
+    WindowStartupLocation="CenterScreen"
+    mc:Ignorable="d">
+
+    <DockPanel Margin="{StaticResource Margin8}">
+        <StackPanel
+            Margin="{StaticResource Margin4}"
+            HorizontalAlignment="Center"
+            DockPanel.Dock="Bottom"
+            Orientation="Horizontal">
+            <Button
+                x:Name="btnSave"
+                Width="100"
+                Content="{x:Static resx:ResUI.TbConfirm}"
+                IsDefault="True" />
+            <Button
+                x:Name="btnCancel"
+                Width="100"
+                Margin="{StaticResource MarginLr8}"
+                Content="{x:Static resx:ResUI.TbCancel}"
+                IsCancel="True" />
+        </StackPanel>
+
+        <Grid DockPanel.Dock="Top" RowDefinitions="Auto,*,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
+
+            <Grid
+                Grid.Row="0"
+                ColumnDefinitions="180,Auto,Auto"
+                RowDefinitions="Auto,Auto,Auto,Auto,Auto">
+                <TextBlock
+                    Grid.Row="0"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    Text="{x:Static resx:ResUI.menuServers}" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    VerticalAlignment="Center"
+                    Text="{x:Static resx:ResUI.TbRemarks}" />
+                <TextBox
+                    x:Name="txtRemarks"
+                    Grid.Row="1"
+                    Grid.Column="1"
+                    Width="400"
+                    Margin="{StaticResource Margin4}" />
+
+                <TextBlock
+                    Grid.Row="2"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    VerticalAlignment="Center"
+                    Text="{x:Static resx:ResUI.TbCoreType}" />
+                <ComboBox
+                    x:Name="cmbCoreType"
+                    Grid.Row="2"
+                    Grid.Column="1"
+                    Width="200"
+                    Margin="{StaticResource Margin4}" />
+
+                <Grid
+                    x:Name="gridPolicyGroup"
+                    Grid.Row="3"
+                    Grid.Column="0"
+                    Grid.ColumnSpan="3"
+                    ColumnDefinitions="180,Auto,Auto">
+                    <TextBlock
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
+                        VerticalAlignment="Center"
+                        Text="{x:Static resx:ResUI.TbPolicyGroupType}" />
+                    <ComboBox
+                        x:Name="cmbPolicyGroupType"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin4}" />
+                </Grid>
+            </Grid>
+        </Grid>
+        <TabControl>
+            <TabItem HorizontalAlignment="Left" Header="{x:Static resx:ResUI.menuServerList}">
+                <DataGrid
+                    x:Name="lstChild"
+                    Grid.Row="1"
+                    AutoGenerateColumns="False"
+                    Background="Transparent"
+                    BorderThickness="1"
+                    CanUserReorderColumns="False"
+                    CanUserResizeColumns="True"
+                    CanUserSortColumns="False"
+                    GridLinesVisibility="All"
+                    HeadersVisibility="Column"
+                    IsReadOnly="True"
+                    ItemsSource="{Binding ChildItemsObs}"
+                    SelectionMode="Extended">
+                    <DataGrid.ContextMenu>
+                        <ContextMenu>
+                            <MenuItem x:Name="menuAddChildServer" Header="{x:Static resx:ResUI.menuAddChildServer}" />
+                            <MenuItem x:Name="menuRemoveChildServer" Header="{x:Static resx:ResUI.menuRemoveChildServer}" />
+                            <MenuItem x:Name="menuSelectAllChild" Header="{x:Static resx:ResUI.menuSelectAll}" />
+                            <Separator />
+                            <MenuItem x:Name="menuMoveTop" Header="{x:Static resx:ResUI.menuMoveTop}" />
+                            <MenuItem x:Name="menuMoveUp" Header="{x:Static resx:ResUI.menuMoveUp}" />
+                            <MenuItem x:Name="menuMoveDown" Header="{x:Static resx:ResUI.menuMoveDown}" />
+                            <MenuItem x:Name="menuMoveBottom" Header="{x:Static resx:ResUI.menuMoveBottom}" />
+                        </ContextMenu>
+                    </DataGrid.ContextMenu>
+                    <DataGrid.Columns>
+                        <DataGridTextColumn
+                            Width="150"
+                            Binding="{Binding ConfigType}"
+                            Header="{x:Static resx:ResUI.LvServiceType}" />
+                        <DataGridTextColumn
+                            Width="150"
+                            Binding="{Binding Remarks}"
+                            Header="{x:Static resx:ResUI.LvRemarks}" />
+                        <DataGridTextColumn
+                            Width="120"
+                            Binding="{Binding Address}"
+                            Header="{x:Static resx:ResUI.LvAddress}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding Port}"
+                            Header="{x:Static resx:ResUI.LvPort}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding Network}"
+                            Header="{x:Static resx:ResUI.LvTransportProtocol}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding StreamSecurity}"
+                            Header="{x:Static resx:ResUI.LvTLS}" />
+                    </DataGrid.Columns>
+                </DataGrid>
+            </TabItem>
+        </TabControl>
+    </DockPanel>
+</Window>

v2rayN/v2rayN.Desktop/Views/AddGroupServerWindow.axaml.cs

@@ -0,0 +1,166 @@
+using System.Reactive.Disposables;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using DynamicData;
+using ReactiveUI;
+using v2rayN.Desktop.Base;
+
+namespace v2rayN.Desktop.Views;
+
+public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
+{
+    public AddGroupServerWindow()
+    {
+        InitializeComponent();
+    }
+
+    public AddGroupServerWindow(ProfileItem profileItem)
+    {
+        InitializeComponent();
+
+        this.Loaded += Window_Loaded;
+        btnCancel.Click += (s, e) => this.Close();
+        lstChild.SelectionChanged += LstChild_SelectionChanged;
+
+        ViewModel = new AddGroupServerViewModel(profileItem, UpdateViewHandler);
+
+        cmbCoreType.ItemsSource = Global.CoreTypes;
+        cmbPolicyGroupType.ItemsSource = new List<string>
+        {
+            ResUI.TbLeastPing,
+            ResUI.TbFallback,
+            ResUI.TbRandom,
+            ResUI.TbRoundRobin,
+            ResUI.TbLeastLoad,
+        };
+
+        switch (profileItem.ConfigType)
+        {
+            case EConfigType.PolicyGroup:
+                this.Title = ResUI.TbConfigTypePolicyGroup;
+                break;
+            case EConfigType.ProxyChain:
+                this.Title = ResUI.TbConfigTypeProxyChain;
+                gridPolicyGroup.IsVisible = false;
+                break;
+        }
+
+        this.WhenActivated(disposables =>
+        {
+            this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.SelectedValue).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.PolicyGroupType, v => v.cmbPolicyGroupType.SelectedValue).DisposeWith(disposables);
+
+            this.OneWayBind(ViewModel, vm => vm.ChildItemsObs, v => v.lstChild.ItemsSource).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.SelectedChild, v => v.lstChild.SelectedItem).DisposeWith(disposables);
+
+            this.BindCommand(ViewModel, vm => vm.RemoveCmd, v => v.menuRemoveChildServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveTopCmd, v => v.menuMoveTop).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveUpCmd, v => v.menuMoveUp).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveDownCmd, v => v.menuMoveDown).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveBottomCmd, v => v.menuMoveBottom).DisposeWith(disposables);
+
+            this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
+        });
+
+        // Context menu actions that require custom logic (Add, SelectAll)
+        menuAddChildServer.Click += MenuAddChild_Click;
+        menuSelectAllChild.Click += (s, e) => lstChild.SelectAll();
+
+        // Keyboard shortcuts when focus is within grid
+        this.AddHandler(KeyDownEvent, AddGroupServerWindow_KeyDown, RoutingStrategies.Tunnel);
+        lstChild.LoadingRow += LstChild_LoadingRow;
+    }
+
+    private void LstChild_LoadingRow(object? sender, DataGridRowEventArgs e)
+    {
+        e.Row.Header = $" {e.Row.Index + 1}";
+    }
+
+    private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
+    {
+        switch (action)
+        {
+            case EViewAction.CloseWindow:
+                this.Close(true);
+                break;
+        }
+        return await Task.FromResult(true);
+    }
+
+    private void Window_Loaded(object? sender, RoutedEventArgs e)
+    {
+        txtRemarks.Focus();
+    }
+
+    private void AddGroupServerWindow_KeyDown(object? sender, KeyEventArgs e)
+    {
+        if (!lstChild.IsKeyboardFocusWithin)
+            return;
+
+        if ((e.KeyModifiers & (KeyModifiers.Control | KeyModifiers.Meta)) != 0)
+        {
+            if (e.Key == Key.A)
+            {
+                lstChild.SelectAll();
+                e.Handled = true;
+            }
+        }
+        else
+        {
+            switch (e.Key)
+            {
+                case Key.T:
+                    ViewModel?.MoveServer(EMove.Top);
+                    e.Handled = true;
+                    break;
+                case Key.U:
+                    ViewModel?.MoveServer(EMove.Up);
+                    e.Handled = true;
+                    break;
+                case Key.D:
+                    ViewModel?.MoveServer(EMove.Down);
+                    e.Handled = true;
+                    break;
+                case Key.B:
+                    ViewModel?.MoveServer(EMove.Bottom);
+                    e.Handled = true;
+                    break;
+                case Key.Delete:
+                    ViewModel?.ChildRemoveAsync();
+                    e.Handled = true;
+                    break;
+            }
+        }
+    }
+
+    private async void MenuAddChild_Click(object? sender, RoutedEventArgs e)
+    {
+        var selectWindow = new ProfilesSelectWindow();
+        if (ViewModel?.SelectedSource?.ConfigType == EConfigType.PolicyGroup)
+        {
+            selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        }
+        else
+        {
+            selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
+        }
+        selectWindow.AllowMultiSelect(true);
+        var result = await selectWindow.ShowDialog<bool?>(this);
+        if (result == true)
+        {
+            var profiles = await selectWindow.ProfileItems;
+            ViewModel?.ChildItemsObs.AddRange(profiles);
+        }
+    }
+
+    private void LstChild_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (ViewModel != null)
+        {
+            ViewModel.SelectedChildren = lstChild.SelectedItems.Cast<ProfileItem>().ToList();
+        }
+    }
+
+}

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml

@@ -2,7 +2,6 @@
     x:Class="v2rayN.Desktop.Views.DNSSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:ctrls="clr-namespace:v2rayN.Desktop.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
@@ -37,6 +36,7 @@
             <TabItem Header="{x:Static resx:ResUI.ThBasicDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
+                        x:Name="gridBasicDNSSettings"
                         Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
@@ -55,13 +55,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbDomesticDNS}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbDirectDNS"
                             Grid.Row="1"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            Text="{Binding DirectDNS, Mode=TwoWay}" />
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="2"
@@ -69,13 +69,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbRemoteDNS}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbRemoteDNS"
                             Grid.Row="2"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            Text="{Binding RemoteDNS, Mode=TwoWay}" />
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="3"
@@ -83,13 +83,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSBOutboundsResolverDNS}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbSBResolverDNS"
                             Grid.Row="3"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            Text="{Binding SingboxOutboundsResolveDNS, Mode=TwoWay}" />
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="2"
@@ -103,14 +103,14 @@
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSBDoHResolverServer}" />
+                            Text="{x:Static resx:ResUI.TbSBBootstrapDNS}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbSBFinalResolverDNS"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            Text="{Binding SingboxFinalResolveDNS, Mode=TwoWay}" />
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -173,13 +173,6 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
                             HorizontalAlignment="Left" />
-                        <TextBlock
-                            Grid.Row="8"
-                            Grid.Column="2"
-                            Margin="{StaticResource Margin4}"
-                            VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSBDoHOverride}"
-                            TextWrapping="Wrap" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -187,6 +180,7 @@
             <TabItem Header="{x:Static resx:ResUI.ThAdvancedDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
+                        x:Name="gridAdvancedDNSSettings"
                         Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,*">
@@ -258,13 +252,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbValidateDirectExpectedIPs}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbDirectExpectedIPs"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
-                            Text="{Binding DirectExpectedIPs, Mode=TwoWay}" />
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -361,11 +355,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ctrls:AutoCompleteBox
+                            <ComboBox
                                 x:Name="cmbdomainDNSAddressCompatible"
                                 Width="150"
                                 Margin="{StaticResource Margin4}"
-                                Text="{Binding DomainDNSAddressCompatible, Mode=TwoWay}" />
+                                IsEditable="True" />
                         </StackPanel>
                     </WrapPanel>
 
@@ -433,11 +427,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ctrls:AutoCompleteBox
+                            <ComboBox
                                 x:Name="cmbdomainDNSAddress2Compatible"
                                 Width="150"
                                 Margin="{StaticResource Margin4}"
-                                Text="{Binding DomainDNSAddress2Compatible, Mode=TwoWay}" />
+                                IsEditable="True" />
                         </StackPanel>
                     </WrapPanel>
 

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs

@@ -1,4 +1,5 @@
 using System.Reactive.Disposables;
+using System.Reactive.Linq;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using ReactiveUI;
@@ -39,15 +40,15 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
             this.Bind(ViewModel, vm => vm.AddCommonHosts, v => v.togAddCommonHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FakeIP, v => v.togFakeIP.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BlockBindingQuery, v => v.togBlockBindingQuery.IsChecked).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.SingboxOutboundsResolveDNS, v => v.cmbSBResolverDNS.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.SingboxOutboundsResolveDNS, v => v.cmbSBResolverDNS.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.SingboxFinalResolveDNS, v => v.cmbSBFinalResolverDNS.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.SingboxFinalResolveDNS, v => v.cmbSBFinalResolverDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RayStrategy4Freedom, v => v.cmbRayFreedomDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SingboxStrategy4Direct, v => v.cmbSBDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SingboxStrategy4Proxy, v => v.cmbSBRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 
@@ -56,27 +57,25 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
 
             this.Bind(ViewModel, vm => vm.UseSystemHostsCompatible, v => v.togUseSystemHostsCompatible.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DomainStrategy4FreedomCompatible, v => v.cmbdomainStrategy4FreedomCompatible.SelectedItem).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.DomainDNSAddressCompatible, v => v.cmbdomainDNSAddressCompatible.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.DomainDNSAddressCompatible, v => v.cmbdomainDNSAddressCompatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.NormalDNSCompatible, v => v.txtnormalDNSCompatible.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.DomainStrategy4Freedom2Compatible, v => v.cmbdomainStrategy4OutCompatible.SelectedItem).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.DomainDNSAddress2Compatible, v => v.cmbdomainDNSAddress2Compatible.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.DomainDNSAddress2Compatible, v => v.cmbdomainDNSAddress2Compatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.NormalDNS2Compatible, v => v.txtnormalDNS2Compatible.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunDNS2Compatible, v => v.txttunDNS2Compatible.Text).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.ImportDefConfig4V2rayCompatibleCmd, v => v.btnImportDefConfig4V2rayCompatible).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.ImportDefConfig4SingboxCompatibleCmd, v => v.btnImportDefConfig4SingboxCompatible).DisposeWith(disposables);
 
-            this.WhenAnyValue(
+            this.WhenAnyValue(x => x.ViewModel.IsSimpleDNSEnabled)
-                    x => x.ViewModel.RayCustomDNSEnableCompatible,
+                .Select(b => !b)
-                    x => x.ViewModel.SBCustomDNSEnableCompatible,
+                .BindTo(this.FindControl<TextBlock>("txtBasicDNSSettingsInvalid"), t => t.IsVisible);
-                    (ray, sb) => ray && sb
+            this.WhenAnyValue(x => x.ViewModel.IsSimpleDNSEnabled)
-                ).BindTo(this.FindControl<TextBlock>("txtBasicDNSSettingsInvalid"), t => t.IsVisible);
+                .Select(b => !b)
-            this.WhenAnyValue(
+                .BindTo(this.FindControl<TextBlock>("txtAdvancedDNSSettingsInvalid"), t => t.IsVisible);
-                    x => x.ViewModel.RayCustomDNSEnableCompatible,
+            this.Bind(ViewModel, vm => vm.IsSimpleDNSEnabled, v => v.gridBasicDNSSettings.IsEnabled).DisposeWith(disposables);
-                    x => x.ViewModel.SBCustomDNSEnableCompatible,
+            this.Bind(ViewModel, vm => vm.IsSimpleDNSEnabled, v => v.gridAdvancedDNSSettings.IsEnabled).DisposeWith(disposables);
-                    (ray, sb) => ray && sb
-                ).BindTo(this.FindControl<TextBlock>("txtAdvancedDNSSettingsInvalid"), t => t.IsVisible);
         });
     }
 

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml

@@ -35,6 +35,8 @@
                         <MenuItem x:Name="menuAddServerViaScan" Header="{x:Static resx:ResUI.menuAddServerViaScan}" />
                         <MenuItem x:Name="menuAddServerViaImage" Header="{x:Static resx:ResUI.menuAddServerViaImage}" />
                         <MenuItem x:Name="menuAddCustomServer" Header="{x:Static resx:ResUI.menuAddCustomServer}" />
+                        <MenuItem x:Name="menuAddPolicyGroupServer" Header="{x:Static resx:ResUI.menuAddPolicyGroupServer}" />
+                        <MenuItem x:Name="menuAddProxyChainServer" Header="{x:Static resx:ResUI.menuAddProxyChainServer}" />
                         <Separator />
                         <MenuItem x:Name="menuAddVmessServer" Header="{x:Static resx:ResUI.menuAddVmessServer}" />
                         <MenuItem x:Name="menuAddVlessServer" Header="{x:Static resx:ResUI.menuAddVlessServer}" />

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs

@@ -83,6 +83,8 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
             this.BindCommand(ViewModel, vm => vm.AddWireguardServerCmd, v => v.menuAddWireguardServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddAnytlsServerCmd, v => v.menuAddAnytlsServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddCustomServerCmd, v => v.menuAddCustomServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.AddPolicyGroupServerCmd, v => v.menuAddPolicyGroupServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.AddProxyChainServerCmd, v => v.menuAddProxyChainServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaClipboardCmd, v => v.menuAddServerViaClipboard).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaScanCmd, v => v.menuAddServerViaScan).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaImageCmd, v => v.menuAddServerViaImage).DisposeWith(disposables);
@@ -207,6 +209,11 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
                     return false;
                 return await new AddServer2Window((ProfileItem)obj).ShowDialog<bool>(this);
 
+            case EViewAction.AddGroupServerWindow:
+                if (obj is null)
+                    return false;
+                return await new AddGroupServerWindow((ProfileItem)obj).ShowDialog<bool>(this);
+
             case EViewAction.DNSSettingWindow:
                 return await new DNSSettingWindow().ShowDialog<bool>(this);
 

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml

@@ -2,7 +2,6 @@
     x:Class="v2rayN.Desktop.Views.OptionSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:ctrls="clr-namespace:v2rayN.Desktop.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
@@ -502,12 +501,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsCurrentFontFamily}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbcurrentFontFamily"
                             Grid.Row="15"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="15"
                             Grid.Column="2"
@@ -548,12 +548,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedTestUrl}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             Name="cmbSpeedTestUrl"
                             Grid.Row="18"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="19"
@@ -561,12 +562,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedPingTestUrl}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbSpeedPingTestUrl"
                             Grid.Row="19"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="20"
@@ -587,12 +589,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSubConvert}" />
-                        <ctrls:AutoCompleteBox
+                        <ComboBox
                             x:Name="cmbSubConvertUrl"
                             Grid.Row="21"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
 
                         <TextBlock
                             Grid.Row="22"
@@ -618,7 +621,8 @@
                             Grid.Row="23"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="23"
                             Grid.Column="2"
@@ -638,7 +642,8 @@
                             Grid.Row="24"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="24"
                             Grid.Column="2"
@@ -658,7 +663,8 @@
                             Grid.Row="25"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}" />
+                            Margin="{StaticResource Margin4}"
+                            IsEditable="True" />
                         <TextBlock
                             Grid.Row="25"
                             Grid.Column="2"

v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml

@@ -99,13 +99,14 @@
                         <MenuItem x:Name="menuCopyServer" Header="{x:Static resx:ResUI.menuCopyServer}" />
                         <MenuItem x:Name="menuShareServer" Header="{x:Static resx:ResUI.menuShareServer}" />
                         <Separator />
-                        <MenuItem Header="{x:Static resx:ResUI.menuSetDefaultMultipleServer}">
+                        <MenuItem Header="{x:Static resx:ResUI.menuGenGroupMultipleServer}">
-                            <MenuItem x:Name="menuSetDefaultMultipleServerXrayRandom" Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayRandom}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerXrayRandom" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayRandom}" />
-                            <MenuItem x:Name="menuSetDefaultMultipleServerXrayRoundRobin" Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayRoundRobin}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerXrayRoundRobin" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayRoundRobin}" />
-                            <MenuItem x:Name="menuSetDefaultMultipleServerXrayLeastPing" Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayLeastPing}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerXrayLeastPing" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayLeastPing}" />
-                            <MenuItem x:Name="menuSetDefaultMultipleServerXrayLeastLoad" Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayLeastLoad}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerXrayLeastLoad" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayLeastLoad}" />
                             <Separator />
-                            <MenuItem x:Name="menuSetDefaultMultipleServerSingBoxLeastPing" Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerSingBoxLeastPing}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerSingBoxLeastPing" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerSingBoxLeastPing}" />
+                            <MenuItem x:Name="menuGenGroupMultipleServerSingBoxFallback" Header="{x:Static resx:ResUI.menuGenGroupMultipleServerSingBoxFallback}" />
                         </MenuItem>
                         <Separator />
                         <MenuItem x:Name="menuMixedTestServer" Header="{x:Static resx:ResUI.menuMixedTestServer}" />

v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml.cs

@@ -66,11 +66,12 @@ public partial class ProfilesView : ReactiveUserControl<ProfilesViewModel>
             this.BindCommand(ViewModel, vm => vm.CopyServerCmd, v => v.menuCopyServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SetDefaultServerCmd, v => v.menuSetDefaultServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.ShareServerCmd, v => v.menuShareServer).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayRandomCmd, v => v.menuSetDefaultMultipleServerXrayRandom).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayRandomCmd, v => v.menuGenGroupMultipleServerXrayRandom).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayRoundRobinCmd, v => v.menuSetDefaultMultipleServerXrayRoundRobin).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayRoundRobinCmd, v => v.menuGenGroupMultipleServerXrayRoundRobin).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayLeastPingCmd, v => v.menuSetDefaultMultipleServerXrayLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayLeastPingCmd, v => v.menuGenGroupMultipleServerXrayLeastPing).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayLeastLoadCmd, v => v.menuSetDefaultMultipleServerXrayLeastLoad).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayLeastLoadCmd, v => v.menuGenGroupMultipleServerXrayLeastLoad).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerSingBoxLeastPingCmd, v => v.menuSetDefaultMultipleServerSingBoxLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerSingBoxLeastPingCmd, v => v.menuGenGroupMultipleServerSingBoxLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerSingBoxFallbackCmd, v => v.menuGenGroupMultipleServerSingBoxFallback).DisposeWith(disposables);
 
             //servers move
             //this.OneWayBind(ViewModel, vm => vm.SubItems, v => v.cmbMoveToGroup.ItemsSource).DisposeWith(disposables);
@@ -167,6 +168,11 @@ public partial class ProfilesView : ReactiveUserControl<ProfilesViewModel>
                     return false;
                 return await new AddServer2Window((ProfileItem)obj).ShowDialog<bool>(_window);
 
+            case EViewAction.AddGroupServerWindow:
+                if (obj is null)
+                    return false;
+                return await new AddGroupServerWindow((ProfileItem)obj).ShowDialog<bool>(_window);
+
             case EViewAction.ShareServer:
                 if (obj is null)
                     return false;

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml

@@ -2,7 +2,6 @@
     x:Class="v2rayN.Desktop.Views.RoutingRuleDetailsWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:ctrls="clr-namespace:v2rayN.Desktop.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
@@ -47,28 +46,26 @@
                 Margin="{StaticResource Margin4}"
                 VerticalAlignment="Center"
                 Text="outboundTag" />
-            <ctrls:AutoCompleteBox
+            <ComboBox
                 Name="cmbOutboundTag"
                 Grid.Row="1"
                 Grid.Column="1"
                 Width="300"
                 Margin="{StaticResource Margin4}"
-                Text="{Binding SelectedSource.OutboundTag, Mode=TwoWay}" />
+                IsEditable="True" />
             <StackPanel
                 Grid.Row="1"
                 Grid.Column="2"
                 Margin="{StaticResource Margin4}"
-                Orientation="Horizontal"
                 HorizontalAlignment="Left"
-                VerticalAlignment="Center">
+                VerticalAlignment="Center"
+                Orientation="Horizontal">
                 <Button
                     x:Name="btnSelectProfile"
                     Margin="0,0,8,0"
-                    Content="{x:Static resx:ResUI.TbSelectProfile}"
+                    Click="BtnSelectProfile_Click"
-                    Click="BtnSelectProfile_Click" />
+                    Content="{x:Static resx:ResUI.TbSelectProfile}" />
-                <TextBlock
+                <TextBlock VerticalAlignment="Center" Text="{x:Static resx:ResUI.TbRuleOutboundTagTip}" />
-                    VerticalAlignment="Center"
-                    Text="{x:Static resx:ResUI.TbRuleOutboundTagTip}" />
             </StackPanel>
 
             <TextBlock

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs

@@ -43,6 +43,7 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
 
         this.WhenActivated(disposables =>
         {
+            this.Bind(ViewModel, vm => vm.SelectedSource.OutboundTag, v => v.cmbOutboundTag.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.OutboundTag, v => v.cmbOutboundTag.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.Port, v => v.txtPort.Text).DisposeWith(disposables);

v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml

@@ -75,6 +75,7 @@
                     Width="{StaticResource IconButtonWidth}"
                     Height="{StaticResource IconButtonHeight}"
                     Margin="{StaticResource MarginLr8}"
+                    HorizontalAlignment="Left"
                     Theme="{DynamicResource BorderlessButton}">
                     <Button.Content>
                         <PathIcon Data="{StaticResource building_more}" Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
@@ -208,8 +209,8 @@
                     Grid.Row="9"
                     Grid.Column="2"
                     Margin="{StaticResource Margin4}"
-                    Content="{x:Static resx:ResUI.TbSelectProfile}"
+                    Click="BtnSelectPrevProfile_Click"
-                    Click="BtnSelectPrevProfile_Click" />
+                    Content="{x:Static resx:ResUI.TbSelectProfile}" />
 
                 <TextBlock
                     Grid.Row="10"
@@ -228,8 +229,8 @@
                     Grid.Row="10"
                     Grid.Column="2"
                     Margin="{StaticResource Margin4}"
-                    Content="{x:Static resx:ResUI.TbSelectProfile}"
+                    Click="BtnSelectNextProfile_Click"
-                    Click="BtnSelectNextProfile_Click" />
+                    Content="{x:Static resx:ResUI.TbSelectProfile}" />
 
                 <TextBlock
                     Grid.Row="11"

v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs

@@ -63,7 +63,7 @@ public partial class SubEditWindow : WindowBase<SubEditViewModel>
     private async void BtnSelectPrevProfile_Click(object? sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
         var result = await selectWindow.ShowDialog<bool?>(this);
         if (result == true)
         {
@@ -78,7 +78,7 @@ public partial class SubEditWindow : WindowBase<SubEditViewModel>
     private async void BtnSelectNextProfile_Click(object? sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
         var result = await selectWindow.ShowDialog<bool?>(this);
         if (result == true)
         {

v2rayN/v2rayN/Views/AddGroupServerWindow.xaml

@@ -0,0 +1,213 @@
+<base:WindowBase
+    x:Class="v2rayN.Views.AddGroupServerWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
+    xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
+    xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
+    Title="{x:Static resx:ResUI.menuServers}"
+    Width="900"
+    Height="700"
+    x:TypeArguments="vms:AddGroupServerViewModel"
+    ResizeMode="CanResize"
+    ShowInTaskbar="False"
+    Style="{StaticResource WindowGlobal}"
+    WindowStartupLocation="CenterScreen"
+    mc:Ignorable="d">
+
+    <DockPanel Margin="{StaticResource Margin8}">
+        <StackPanel
+            Margin="{StaticResource Margin4}"
+            HorizontalAlignment="Center"
+            DockPanel.Dock="Bottom"
+            Orientation="Horizontal">
+            <Button
+                x:Name="btnSave"
+                Width="100"
+                Content="{x:Static resx:ResUI.TbConfirm}"
+                IsDefault="True"
+                Style="{StaticResource DefButton}" />
+            <Button
+                x:Name="btnCancel"
+                Width="100"
+                Margin="{StaticResource MarginLeftRight8}"
+                Content="{x:Static resx:ResUI.TbCancel}"
+                IsCancel="true"
+                Style="{StaticResource DefButton}" />
+        </StackPanel>
+        <Grid DockPanel.Dock="Top">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+            </Grid.RowDefinitions>
+
+            <Grid Grid.Row="0">
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="Auto" />
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="180" />
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+
+                <TextBlock
+                    Grid.Row="0"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    Style="{StaticResource ModuleTitle}"
+                    Text="{x:Static resx:ResUI.menuServers}" />
+
+                <TextBlock
+                    Grid.Row="1"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    VerticalAlignment="Center"
+                    Style="{StaticResource ToolbarTextBlock}"
+                    Text="{x:Static resx:ResUI.TbRemarks}" />
+                <TextBox
+                    x:Name="txtRemarks"
+                    Grid.Row="1"
+                    Grid.Column="1"
+                    Width="400"
+                    Margin="{StaticResource Margin4}"
+                    Style="{StaticResource DefTextBox}" />
+
+                <TextBlock
+                    Grid.Row="2"
+                    Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
+                    VerticalAlignment="Center"
+                    Style="{StaticResource ToolbarTextBlock}"
+                    Text="{x:Static resx:ResUI.TbCoreType}" />
+                <ComboBox
+                    x:Name="cmbCoreType"
+                    Grid.Row="2"
+                    Grid.Column="1"
+                    Width="200"
+                    Margin="{StaticResource Margin4}"
+                    materialDesign:HintAssist.Hint="{x:Static resx:ResUI.TbCoreType}"
+                    Style="{StaticResource DefComboBox}" />
+
+                <Grid
+                    x:Name="gridPolicyGroup"
+                    Grid.Row="3"
+                    Grid.Column="0"
+                    Grid.ColumnSpan="3">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="180" />
+                        <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <TextBlock
+                        Grid.Row="3"
+                        Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.TbPolicyGroupType}" />
+                    <ComboBox
+                        x:Name="cmbPolicyGroupType"
+                        Grid.Row="3"
+                        Grid.Column="1"
+                        Width="200"
+                        Margin="{StaticResource Margin4}"
+                        materialDesign:HintAssist.Hint="{x:Static resx:ResUI.TbPolicyGroupType}"
+                        Style="{StaticResource DefComboBox}" />
+                </Grid>
+            </Grid>
+        </Grid>
+        <TabControl>
+            <TabItem HorizontalAlignment="Left" Header="{x:Static resx:ResUI.menuServerList}">
+                <DataGrid
+                    x:Name="lstChild"
+                    AutoGenerateColumns="False"
+                    BorderThickness="1"
+                    CanUserAddRows="False"
+                    CanUserResizeRows="False"
+                    CanUserSortColumns="False"
+                    EnableRowVirtualization="True"
+                    GridLinesVisibility="All"
+                    HeadersVisibility="Column"
+                    IsReadOnly="True"
+                    Style="{StaticResource DefDataGrid}">
+                    <DataGrid.ContextMenu>
+                        <ContextMenu Style="{StaticResource DefContextMenu}">
+                            <MenuItem
+                                x:Name="menuAddChildServer"
+                                Height="{StaticResource MenuItemHeight}"
+                                Click="MenuAddChild_Click"
+                                Header="{x:Static resx:ResUI.menuAddChildServer}" />
+                            <MenuItem
+                                x:Name="menuRemoveChildServer"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuRemoveChildServer}" />
+                            <MenuItem
+                                x:Name="menuSelectAllChild"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuSelectAll}" />
+                            <Separator />
+                            <MenuItem
+                                x:Name="menuMoveTop"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuMoveTop}" />
+                            <MenuItem
+                                x:Name="menuMoveUp"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuMoveUp}" />
+                            <MenuItem
+                                x:Name="menuMoveDown"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuMoveDown}" />
+                            <MenuItem
+                                x:Name="menuMoveBottom"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuMoveBottom}" />
+                        </ContextMenu>
+                    </DataGrid.ContextMenu>
+                    <DataGrid.Columns>
+                        <DataGridTextColumn
+                            Width="150"
+                            Binding="{Binding ConfigType}"
+                            Header="{x:Static resx:ResUI.LvServiceType}" />
+                        <DataGridTextColumn
+                            Width="150"
+                            Binding="{Binding Remarks}"
+                            Header="{x:Static resx:ResUI.LvRemarks}" />
+                        <DataGridTextColumn
+                            Width="120"
+                            Binding="{Binding Address}"
+                            Header="{x:Static resx:ResUI.LvAddress}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding Port}"
+                            Header="{x:Static resx:ResUI.LvPort}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding Network}"
+                            Header="{x:Static resx:ResUI.LvTransportProtocol}" />
+                        <DataGridTextColumn
+                            Width="100"
+                            Binding="{Binding StreamSecurity}"
+                            Header="{x:Static resx:ResUI.LvTLS}" />
+                    </DataGrid.Columns>
+                </DataGrid>
+            </TabItem>
+        </TabControl>
+    </DockPanel>
+</base:WindowBase>

v2rayN/v2rayN/Views/AddGroupServerWindow.xaml.cs

@@ -0,0 +1,148 @@
+using System.Reactive.Disposables;
+using System.Windows;
+using System.Windows.Input;
+using DynamicData;
+using ReactiveUI;
+
+namespace v2rayN.Views;
+
+public partial class AddGroupServerWindow
+{
+    public AddGroupServerWindow(ProfileItem profileItem)
+    {
+        InitializeComponent();
+
+        this.Owner = Application.Current.MainWindow;
+        this.Loaded += Window_Loaded;
+        this.PreviewKeyDown += AddGroupServerWindow_PreviewKeyDown;
+        lstChild.SelectionChanged += LstChild_SelectionChanged;
+        menuSelectAllChild.Click += MenuSelectAllChild_Click;
+
+        ViewModel = new AddGroupServerViewModel(profileItem, UpdateViewHandler);
+
+        cmbCoreType.ItemsSource = Global.CoreTypes;
+        cmbPolicyGroupType.ItemsSource = new List<string>
+        {
+            ResUI.TbLeastPing,
+            ResUI.TbFallback,
+            ResUI.TbRandom,
+            ResUI.TbRoundRobin,
+            ResUI.TbLeastLoad,
+        };
+
+        switch (profileItem.ConfigType)
+        {
+            case EConfigType.PolicyGroup:
+                this.Title = ResUI.TbConfigTypePolicyGroup;
+                break;
+
+            case EConfigType.ProxyChain:
+                this.Title = ResUI.TbConfigTypeProxyChain;
+                gridPolicyGroup.Visibility = Visibility.Collapsed;
+                break;
+        }
+
+        this.WhenActivated(disposables =>
+        {
+            this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.PolicyGroupType, v => v.cmbPolicyGroupType.Text).DisposeWith(disposables);
+
+            this.OneWayBind(ViewModel, vm => vm.ChildItemsObs, v => v.lstChild.ItemsSource).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.SelectedChild, v => v.lstChild.SelectedItem).DisposeWith(disposables);
+
+            this.BindCommand(ViewModel, vm => vm.RemoveCmd, v => v.menuRemoveChildServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveTopCmd, v => v.menuMoveTop).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveUpCmd, v => v.menuMoveUp).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveDownCmd, v => v.menuMoveDown).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.MoveBottomCmd, v => v.menuMoveBottom).DisposeWith(disposables);
+
+            this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
+        });
+        WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);
+    }
+
+    private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
+    {
+        switch (action)
+        {
+            case EViewAction.CloseWindow:
+                this.DialogResult = true;
+                break;
+        }
+        return await Task.FromResult(true);
+    }
+
+    private void Window_Loaded(object sender, RoutedEventArgs e)
+    {
+        txtRemarks.Focus();
+    }
+
+    private void AddGroupServerWindow_PreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        if (!lstChild.IsKeyboardFocusWithin)
+            return;
+        if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
+        {
+            if (e.Key == Key.A)
+            {
+                lstChild.SelectAll();
+            }
+        }
+        else
+        {
+            if (e.Key == Key.T)
+            {
+                ViewModel?.MoveServer(EMove.Top);
+            }
+            else if (e.Key == Key.U)
+            {
+                ViewModel?.MoveServer(EMove.Up);
+            }
+            else if (e.Key == Key.D)
+            {
+                ViewModel?.MoveServer(EMove.Down);
+            }
+            else if (e.Key == Key.B)
+            {
+                ViewModel?.MoveServer(EMove.Bottom);
+            }
+            else if (e.Key == Key.Delete)
+            {
+                ViewModel?.ChildRemoveAsync();
+            }
+        }
+    }
+
+    private async void MenuAddChild_Click(object sender, RoutedEventArgs e)
+    {
+        var selectWindow = new ProfilesSelectWindow();
+        if (ViewModel?.SelectedSource?.ConfigType == EConfigType.PolicyGroup)
+        {
+            selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        }
+        else
+        {
+            selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
+        }
+        selectWindow.AllowMultiSelect(true);
+        if (selectWindow.ShowDialog() == true)
+        {
+            var profiles = await selectWindow.ProfileItems;
+            ViewModel?.ChildItemsObs.AddRange(profiles);
+        }
+    }
+
+    private void LstChild_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+    {
+        if (ViewModel != null)
+        {
+            ViewModel.SelectedChildren = lstChild.SelectedItems.Cast<ProfileItem>().ToList();
+        }
+    }
+
+    private void MenuSelectAllChild_Click(object sender, RoutedEventArgs e)
+    {
+        lstChild.SelectAll();
+    }
+}

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -41,7 +41,7 @@
         <TabControl HorizontalContentAlignment="Left">
             <TabItem Header="{x:Static resx:ResUI.ThBasicDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
-                    <Grid Margin="{StaticResource Margin8}">
+                    <Grid x:Name="gridBasicDNSSettings" Margin="{StaticResource Margin8}">
                         <Grid.RowDefinitions>
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
@@ -131,7 +131,7 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSBDoHResolverServer}" />
+                            Text="{x:Static resx:ResUI.TbSBBootstrapDNS}" />
                         <ComboBox
                             x:Name="cmbSBFinalResolverDNS"
                             Grid.Row="4"
@@ -210,19 +210,12 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
-                        <TextBlock
-                            Grid.Row="8"
-                            Grid.Column="3"
-                            Margin="{StaticResource Margin8}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSBDoHOverride}" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
             <TabItem Header="{x:Static resx:ResUI.ThAdvancedDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
-                    <Grid Margin="{StaticResource Margin8}">
+                    <Grid x:Name="gridAdvancedDNSSettings" Margin="{StaticResource Margin8}">
                         <Grid.RowDefinitions>
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -1,4 +1,5 @@
 using System.Reactive.Disposables;
+using System.Reactive.Linq;
 using System.Windows;
 using ReactiveUI;
 
@@ -65,18 +66,16 @@ public partial class DNSSettingWindow
             this.BindCommand(ViewModel, vm => vm.ImportDefConfig4V2rayCompatibleCmd, v => v.btnImportDefConfig4V2rayCompatible).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.ImportDefConfig4SingboxCompatibleCmd, v => v.btnImportDefConfig4SingboxCompatible).DisposeWith(disposables);
 
-            this.WhenAnyValue(
+            this.WhenAnyValue(x => x.ViewModel.IsSimpleDNSEnabled)
-                    x => x.ViewModel.RayCustomDNSEnableCompatible,
+                .Select(b => b ? Visibility.Collapsed : Visibility.Visible)
-                    x => x.ViewModel.SBCustomDNSEnableCompatible,
-                    (ray, sb) => ray && sb ? Visibility.Visible : Visibility.Collapsed)
                 .BindTo(this, x => x.txtBasicDNSSettingsInvalid.Visibility)
                 .DisposeWith(disposables);
-            this.WhenAnyValue(
+            this.WhenAnyValue(x => x.ViewModel.IsSimpleDNSEnabled)
-                    x => x.ViewModel.RayCustomDNSEnableCompatible,
+                .Select(b => b ? Visibility.Collapsed : Visibility.Visible)
-                    x => x.ViewModel.SBCustomDNSEnableCompatible,
-                    (ray, sb) => ray && sb ? Visibility.Visible : Visibility.Collapsed)
                 .BindTo(this, x => x.txtAdvancedDNSSettingsInvalid.Visibility)
                 .DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.IsSimpleDNSEnabled, v => v.gridBasicDNSSettings.IsEnabled).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.IsSimpleDNSEnabled, v => v.gridAdvancedDNSSettings.IsEnabled).DisposeWith(disposables);
         });
         WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);
     }

v2rayN/v2rayN/Views/MainWindow.xaml

@@ -71,6 +71,14 @@
                                     x:Name="menuAddCustomServer"
                                     Height="{StaticResource MenuItemHeight}"
                                     Header="{x:Static resx:ResUI.menuAddCustomServer}" />
+                                <MenuItem
+                                    x:Name="menuAddPolicyGroupServer"
+                                    Height="{StaticResource MenuItemHeight}"
+                                    Header="{x:Static resx:ResUI.menuAddPolicyGroupServer}" />
+                                <MenuItem
+                                    x:Name="menuAddProxyChainServer"
+                                    Height="{StaticResource MenuItemHeight}"
+                                    Header="{x:Static resx:ResUI.menuAddProxyChainServer}" />
                                 <Separator Margin="-40,5" />
                                 <MenuItem
                                     x:Name="menuAddVmessServer"

v2rayN/v2rayN/Views/MainWindow.xaml.cs

@@ -79,6 +79,8 @@ public partial class MainWindow
             this.BindCommand(ViewModel, vm => vm.AddWireguardServerCmd, v => v.menuAddWireguardServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddAnytlsServerCmd, v => v.menuAddAnytlsServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddCustomServerCmd, v => v.menuAddCustomServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.AddPolicyGroupServerCmd, v => v.menuAddPolicyGroupServer).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.AddProxyChainServerCmd, v => v.menuAddProxyChainServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaClipboardCmd, v => v.menuAddServerViaClipboard).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaScanCmd, v => v.menuAddServerViaScan).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.AddServerViaImageCmd, v => v.menuAddServerViaImage).DisposeWith(disposables);
@@ -195,6 +197,11 @@ public partial class MainWindow
                     return false;
                 return (new AddServer2Window((ProfileItem)obj)).ShowDialog() ?? false;
 
+            case EViewAction.AddGroupServerWindow:
+                if (obj is null)
+                    return false;
+                return (new AddGroupServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+
             case EViewAction.DNSSettingWindow:
                 return (new DNSSettingWindow().ShowDialog() ?? false);
 

v2rayN/v2rayN/Views/ProfilesView.xaml

@@ -125,28 +125,32 @@
                             Height="{StaticResource MenuItemHeight}"
                             Header="{x:Static resx:ResUI.menuShareServer}" />
                         <Separator />
-                        <MenuItem Header="{x:Static resx:ResUI.menuSetDefaultMultipleServer}">
+                        <MenuItem Header="{x:Static resx:ResUI.menuGenGroupMultipleServer}">
                             <MenuItem
-                                x:Name="menuSetDefaultMultipleServerXrayRandom"
+                                x:Name="menuGenGroupMultipleServerXrayRandom"
                                 Height="{StaticResource MenuItemHeight}"
-                                Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayRandom}" />
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayRandom}" />
                             <MenuItem
-                                x:Name="menuSetDefaultMultipleServerXrayRoundRobin"
+                                x:Name="menuGenGroupMultipleServerXrayRoundRobin"
                                 Height="{StaticResource MenuItemHeight}"
-                                Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayRoundRobin}" />
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayRoundRobin}" />
                             <MenuItem
-                                x:Name="menuSetDefaultMultipleServerXrayLeastPing"
+                                x:Name="menuGenGroupMultipleServerXrayLeastPing"
                                 Height="{StaticResource MenuItemHeight}"
-                                Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayLeastPing}" />
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayLeastPing}" />
                             <MenuItem
-                                x:Name="menuSetDefaultMultipleServerXrayLeastLoad"
+                                x:Name="menuGenGroupMultipleServerXrayLeastLoad"
                                 Height="{StaticResource MenuItemHeight}"
-                                Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerXrayLeastLoad}" />
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerXrayLeastLoad}" />
                             <Separator />
                             <MenuItem
-                                x:Name="menuSetDefaultMultipleServerSingBoxLeastPing"
+                                x:Name="menuGenGroupMultipleServerSingBoxLeastPing"
                                 Height="{StaticResource MenuItemHeight}"
-                                Header="{x:Static resx:ResUI.menuSetDefaultMultipleServerSingBoxLeastPing}" />
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerSingBoxLeastPing}" />
+                            <MenuItem
+                                x:Name="menuGenGroupMultipleServerSingBoxFallback"
+                                Height="{StaticResource MenuItemHeight}"
+                                Header="{x:Static resx:ResUI.menuGenGroupMultipleServerSingBoxFallback}" />
                         </MenuItem>
                         <Separator />
                         <MenuItem

v2rayN/v2rayN/Views/ProfilesView.xaml.cs

@@ -60,11 +60,12 @@ public partial class ProfilesView
             this.BindCommand(ViewModel, vm => vm.CopyServerCmd, v => v.menuCopyServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SetDefaultServerCmd, v => v.menuSetDefaultServer).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.ShareServerCmd, v => v.menuShareServer).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayRandomCmd, v => v.menuSetDefaultMultipleServerXrayRandom).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayRandomCmd, v => v.menuGenGroupMultipleServerXrayRandom).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayRoundRobinCmd, v => v.menuSetDefaultMultipleServerXrayRoundRobin).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayRoundRobinCmd, v => v.menuGenGroupMultipleServerXrayRoundRobin).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayLeastPingCmd, v => v.menuSetDefaultMultipleServerXrayLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayLeastPingCmd, v => v.menuGenGroupMultipleServerXrayLeastPing).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerXrayLeastLoadCmd, v => v.menuSetDefaultMultipleServerXrayLeastLoad).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerXrayLeastLoadCmd, v => v.menuGenGroupMultipleServerXrayLeastLoad).DisposeWith(disposables);
-            this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerSingBoxLeastPingCmd, v => v.menuSetDefaultMultipleServerSingBoxLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerSingBoxLeastPingCmd, v => v.menuGenGroupMultipleServerSingBoxLeastPing).DisposeWith(disposables);
+            this.BindCommand(ViewModel, vm => vm.GenGroupMultipleServerSingBoxFallbackCmd, v => v.menuGenGroupMultipleServerSingBoxFallback).DisposeWith(disposables);
 
             //servers move
             this.OneWayBind(ViewModel, vm => vm.SubItems, v => v.cmbMoveToGroup.ItemsSource).DisposeWith(disposables);
@@ -148,6 +149,11 @@ public partial class ProfilesView
                     return false;
                 return (new AddServer2Window((ProfileItem)obj)).ShowDialog() ?? false;
 
+            case EViewAction.AddGroupServerWindow:
+                if (obj is null)
+                    return false;
+                return (new AddGroupServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+
             case EViewAction.ShareServer:
                 if (obj is null)
                     return false;

v2rayN/v2rayN/Views/SubEditWindow.xaml

@@ -117,7 +117,7 @@
                 <materialDesign:PopupBox
                     Grid.Row="2"
                     Grid.Column="2"
-                    HorizontalAlignment="Right"
+                    HorizontalAlignment="Left"
                     StaysOpen="True"
                     Style="{StaticResource MaterialDesignToolForegroundPopupBox}">
                     <StackPanel>

v2rayN/v2rayN/Views/SubEditWindow.xaml.cs

@@ -57,7 +57,7 @@ public partial class SubEditWindow
     private async void BtnSelectPrevProfile_Click(object sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
         if (selectWindow.ShowDialog() == true)
         {
             var profile = await selectWindow.ProfileItem;
@@ -71,7 +71,7 @@ public partial class SubEditWindow
     private async void BtnSelectNextProfile_Click(object sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
         if (selectWindow.ShowDialog() == true)
         {
             var profile = await selectWindow.ProfileItem;