Merge 6250810f31 into d7c5161431

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="11.3.7" />
-    <PackageVersion Include="Avalonia.Desktop" Version="11.3.7" />
-    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.7" />
-    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.7" />
+    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.Desktop" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.6" />
+    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.6" />
     <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="11.3.7" />
+    <PackageVersion Include="Semi.Avalonia" Version="11.2.1.10" />
     <PackageVersion Include="Semi.Avalonia.AvaloniaEdit" Version="11.2.0.1" />
-    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.3.7" />
+    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.2.1.10" />
     <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/Utils.cs

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

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -1087,8 +1087,6 @@ public static class ConfigHandler
             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);
@@ -1196,10 +1194,10 @@ public static class ConfigHandler
         var indexId = Utils.GetGuid(false);
         var childProfileIndexId = Utils.List2String(selecteds.Select(p => p.IndexId).ToList());
 
-        var remark = subId.IsNullOrEmpty() ? string.Empty : $"{(await AppManager.Instance.GetSubItem(subId)).Remarks} ";
+        var remark = string.Empty;
         if (coreType == ECoreType.Xray)
         {
-            remark += multipleLoad switch
+            remark = multipleLoad switch
             {
                 EMultipleLoad.LeastPing => ResUI.menuGenGroupMultipleServerXrayLeastPing,
                 EMultipleLoad.Fallback => ResUI.menuGenGroupMultipleServerXrayFallback,
@@ -1211,7 +1209,7 @@ public static class ConfigHandler
         }
         else if (coreType == ECoreType.sing_box)
         {
-            remark += multipleLoad switch
+            remark = multipleLoad switch
             {
                 EMultipleLoad.LeastPing => ResUI.menuGenGroupMultipleServerSingBoxLeastPing,
                 EMultipleLoad.Fallback => ResUI.menuGenGroupMultipleServerSingBoxFallback,
@@ -1224,6 +1222,7 @@ public static class ConfigHandler
             CoreType = coreType,
             ConfigType = EConfigType.PolicyGroup,
             Remarks = remark,
+            Address = childProfileIndexId,
         };
         if (!subId.IsNullOrEmpty())
         {
@@ -1257,7 +1256,35 @@ public static class ConfigHandler
             var tun2SocksAddress = node.Address;
             if (node.ConfigType > EConfigType.Group)
             {
-                var lstAddresses = (await ProfileGroupItemManager.GetAllChildDomainAddresses(node.IndexId)).ToList();
+                static async Task<List<string>> GetChildNodeAddressesAsync(string parentIndexId)
+                {
+                    var childAddresses = new List<string>();
+                    if (!ProfileGroupItemManager.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 GetChildNodeAddressesAsync(childNode.IndexId);
+                            childAddresses.AddRange(subAddresses);
+                        }
+                    }
+
+                    return childAddresses;
+                }
+
+                var lstAddresses = await GetChildNodeAddressesAsync(node.IndexId);
                 if (lstAddresses.Count > 0)
                 {
                     tun2SocksAddress = Utils.List2String(lstAddresses);

v2rayN/ServiceLib/Handler/Fmt/BaseFmt.cs

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

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 = GetQueryDecoded(query, "obfs-password");
-        item.AllowInsecure = GetQueryValue(query, "insecure") == "1" ? "true" : "false";
+        item.Path = Utils.UrlDecode(query["obfs-password"] ?? "");
+        item.AllowInsecure = (query["insecure"] ?? "") == "1" ? "true" : "false";
 
-        item.Ports = GetQueryDecoded(query, "mport");
+        item.Ports = Utils.UrlDecode(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($"{item.Security}:{item.Id}", true);
+        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}");
         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($"{item.Security}:{item.Id}", true);
+        var pw = Utils.Base64Encode($"{item.Security}:{item.Id}");
         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 = GetQueryValue(query, "congestion_control");
+        item.HeaderType = 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 = GetQueryValue(query, "encryption", Global.None);
-        item.StreamSecurity = GetQueryValue(query, "security");
+        item.Security = query["encryption"] ?? Global.None;
+        item.StreamSecurity = 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 = GetQueryDecoded(query, "publickey");
-        item.Path = GetQueryDecoded(query, "reserved");
-        item.RequestHost = GetQueryDecoded(query, "address");
-        item.ShortId = GetQueryDecoded(query, "mtu");
+        item.PublicKey = Utils.UrlDecode(query["publickey"] ?? "");
+        item.Path = Utils.UrlDecode(query["reserved"] ?? "");
+        item.RequestHost = Utils.UrlDecode(query["address"] ?? "");
+        item.ShortId = Utils.UrlDecode(query["mtu"] ?? "");
 
         return item;
     }

v2rayN/ServiceLib/Manager/AppManager.cs

@@ -8,6 +8,7 @@ public sealed class AppManager
     private Config _config;
     private int? _statePort;
     private int? _statePort2;
+    private WindowsJob? _processJob;
     public static AppManager Instance => _instance.Value;
     public Config Config => _config;
 
@@ -99,6 +100,7 @@ public sealed class AppManager
 
             await ConfigHandler.SaveConfig(_config);
             await ProfileExManager.Instance.SaveTo();
+            await ProfileGroupItemManager.Instance.SaveTo();
             await StatisticsManager.Instance.SaveTo();
             await CoreManager.Instance.CoreStop();
             StatisticsManager.Instance.Close();
@@ -136,6 +138,21 @@ 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

v2rayN/ServiceLib/Manager/CoreManager.cs

@@ -8,7 +8,6 @@ public class CoreManager
     private static readonly Lazy<CoreManager> _instance = new(() => new());
     public static CoreManager Instance => _instance.Value;
     private Config _config;
-    private WindowsJob? _processJob;
     private ProcessService? _processService;
     private ProcessService? _processPreService;
     private bool _linuxSudo = false;
@@ -265,28 +264,14 @@ public class CoreManager
         await procService.StartAsync();
 
         await Task.Delay(100);
-
+        AppManager.Instance.AddProcess(procService.Handle);
         if (procService is null or { HasExited: true })
         {
             throw new Exception(ResUI.FailedToRunCore);
         }
-        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

@@ -164,113 +164,4 @@ public class ProfileGroupItemManager
             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/Manager/TaskManager.cs

@@ -35,6 +35,7 @@ public class TaskManager
 
                 await ConfigHandler.SaveConfig(_config);
                 await ProfileExManager.Instance.SaveTo();
+                await ProfileGroupItemManager.Instance.SaveTo();
             }
 
             //Execute once 1 hour

v2rayN/ServiceLib/Models/ProfileGroupItem.cs

@@ -1,5 +1,4 @@
 using SQLite;
-
 namespace ServiceLib.Models;
 
 [Serializable]

v2rayN/ServiceLib/Models/ProfileItem.cs

@@ -109,6 +109,42 @@ public class ProfileItem : ReactiveObject
         return true;
     }
 
+    public async Task<bool> HasCycle(HashSet<string> visited, HashSet<string> stack)
+    {
+        if (ConfigType < EConfigType.Group)
+            return false;
+
+        if (stack.Contains(IndexId))
+            return true;
+
+        if (visited.Contains(IndexId))
+            return false;
+
+        visited.Add(IndexId);
+        stack.Add(IndexId);
+
+        if (ProfileGroupItemManager.Instance.TryGet(IndexId, out var group)
+            && !group.ChildItems.IsNullOrEmpty())
+        {
+            var childProfiles = (await Task.WhenAll(
+                    Utils.String2List(group.ChildItems)
+                        .Where(p => !p.IsNullOrEmpty())
+                        .Select(AppManager.Instance.GetProfileItem)
+                ))
+                .Where(p => p != null)
+                .ToList();
+
+            foreach (var child in childProfiles)
+            {
+                if (await child.HasCycle(visited, stack))
+                    return true;
+            }
+        }
+
+        stack.Remove(IndexId);
+        return false;
+    }
+
     #endregion function
 
     [PrimaryKey]

v2rayN/ServiceLib/Resx/ResUI.Designer.cs

@@ -3166,7 +3166,16 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 Resolve DNS server domains, requires IP 的本地化字符串。
+        ///   查找类似 The sing-box DoH resolution server can be overwritten 的本地化字符串。
+        /// </summary>
+        public static string TbSBDoHOverride {
+            get {
+                return ResourceManager.GetString("TbSBDoHOverride", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Fallback DNS Resolution, Require IP 的本地化字符串。
         /// </summary>
         public static string TbSBFallbackDNSResolve {
             get {

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

@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Resolve DNS server domains, requires IP</value>
+    <value>Fallback DNS Resolution, Require IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,6 +1443,9 @@
   <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>

v2rayN/ServiceLib/Resx/ResUI.hu.resx

@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Resolve DNS server domains, requires IP</value>
+    <value>Fallback DNS Resolution, Require IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,6 +1443,9 @@
   <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>

v2rayN/ServiceLib/Resx/ResUI.resx

@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Resolve DNS server domains, requires IP</value>
+    <value>Fallback DNS Resolution, Require IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1443,6 +1443,9 @@
   <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>

v2rayN/ServiceLib/Resx/ResUI.ru.resx

@@ -1429,7 +1429,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Resolve DNS server domains, requires IP</value>
+    <value>Fallback DNS Resolution, Require IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>Стратегия резолвинга Freedom (Xray)</value>
@@ -1443,6 +1443,9 @@
   <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>

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

@@ -1426,7 +1426,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>解析 DNS 服务器域名，需指定为 IP</value>
+    <value>回退 DNS 解析，需指定为 IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray freedom 解析策略</value>
@@ -1440,6 +1440,9 @@
   <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>

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

@@ -1426,7 +1426,7 @@
     <value>Bootstrap DNS (sing-box)</value>
   </data>
   <data name="TbSBFallbackDNSResolve" xml:space="preserve">
-    <value>Resolve DNS server domains, requires IP</value>
+    <value>Fallback DNS Resolution, Require IP</value>
   </data>
   <data name="TbXrayFreedomResolveStrategy" xml:space="preserve">
     <value>xray Freedom Resolution Strategy</value>
@@ -1440,6 +1440,9 @@
   <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>

v2rayN/ServiceLib/Services/ActionPrecheckService.cs

@@ -1,5 +1,3 @@
-using DynamicData;
-
 namespace ServiceLib.Services;
 
 /// <summary>
@@ -126,7 +124,7 @@ public class ActionPrecheckService(Config config)
                 return errors;
             }
 
-            var hasCycle = ProfileGroupItemManager.HasCycle(item.IndexId);
+            var hasCycle = await item.HasCycle(new HashSet<string>(), new HashSet<string>());
             if (hasCycle)
             {
                 errors.Add(string.Format(ResUI.GroupSelfReference, item.Remarks));

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

@@ -363,6 +363,8 @@ public partial class CoreConfigSingboxService(Config config)
 
             await GenLog(singboxConfig);
             await GenInbounds(singboxConfig);
+            await GenRouting(singboxConfig);
+            await GenExperimental(singboxConfig);
 
             var groupRet = await GenGroupOutbound(parentNode, singboxConfig);
             if (groupRet != 0)
@@ -371,8 +373,6 @@ public partial class CoreConfigSingboxService(Config config)
                 return ret;
             }
 
-            await GenRouting(singboxConfig);
-            await GenExperimental(singboxConfig);
             await GenDns(null, singboxConfig);
             await ConvertGeo2Ruleset(singboxConfig);
 
@@ -416,10 +416,12 @@ 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 groupRet = await GenGroupOutbound(parentNode, singboxConfig);
             if (groupRet != 0)
@@ -428,8 +430,6 @@ public partial class CoreConfigSingboxService(Config config)
                 return ret;
             }
 
-            await GenRouting(singboxConfig);
-            await GenExperimental(singboxConfig);
             await GenDns(null, singboxConfig);
             await ConvertGeo2Ruleset(singboxConfig);
 

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

@@ -212,13 +212,33 @@ public partial class CoreConfigSingboxService
             {
                 return -1;
             }
-            var hasCycle = ProfileGroupItemManager.HasCycle(node.IndexId);
+            ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+            if (profileGroupItem is null || profileGroupItem.ChildItems.IsNullOrEmpty())
+            {
+                return -1;
+            }
+
+            var hasCycle = await node.HasCycle(new HashSet<string>(), new HashSet<string>());
             if (hasCycle)
             {
                 return -1;
             }
 
-            var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+            // remove custom nodes
+            // remove group nodes for proxy chain
+            var childProfiles = (await Task.WhenAll(
+                    Utils.String2List(profileGroupItem.ChildItems)
+                        .Where(p => !p.IsNullOrEmpty())
+                        .Select(AppManager.Instance.GetProfileItem)
+                ))
+                .Where(p =>
+                    p != null
+                    && p.IsValid()
+                    && p.ConfigType != EConfigType.Custom
+                    && (node.ConfigType == EConfigType.PolicyGroup || p.ConfigType < EConfigType.Group)
+                )
+                .ToList();
+
             if (childProfiles.Count <= 0)
             {
                 return -1;
@@ -494,7 +514,16 @@ public partial class CoreConfigSingboxService
 
                 if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
                 {
-                    var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                    ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+                    if (profileGroupItem == null || profileGroupItem.ChildItems.IsNullOrEmpty())
+                    {
+                        continue;
+                    }
+                    var childProfiles = (await Task.WhenAll(
+                            Utils.String2List(profileGroupItem.ChildItems)
+                            .Where(p => !p.IsNullOrEmpty())
+                            .Select(AppManager.Instance.GetProfileItem)
+                        )).Where(p => p != null).ToList();
                     if (childProfiles.Count <= 0)
                     {
                         continue;
@@ -611,12 +640,12 @@ public partial class CoreConfigSingboxService
             }
 
             // Merge results: first the selector/urltest/proxies, then other outbounds, and finally prev outbounds
-            var serverList = new List<BaseServer4Sbox>();
-            serverList = serverList.Concat(prevOutbounds)
-                .Concat(resultOutbounds)
-                .Concat(resultEndpoints)
-                .ToList();
-            await AddRangeOutbounds(serverList, singboxConfig, baseTagName == Global.ProxyTag);
+            resultOutbounds.AddRange(prevOutbounds);
+            resultOutbounds.AddRange(singboxConfig.outbounds);
+            singboxConfig.outbounds = resultOutbounds;
+            singboxConfig.endpoints ??= new List<Endpoints4Sbox>();
+            resultEndpoints.AddRange(singboxConfig.endpoints);
+            singboxConfig.endpoints = resultEndpoints;
         }
         catch (Exception ex)
         {
@@ -665,30 +694,6 @@ public partial class CoreConfigSingboxService
         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)
             {
@@ -732,11 +737,12 @@ public partial class CoreConfigSingboxService
             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);
+        singboxConfig.outbounds ??= new();
+        resultOutbounds.AddRange(singboxConfig.outbounds);
+        singboxConfig.outbounds = resultOutbounds;
+        singboxConfig.endpoints ??= new();
+        resultEndpoints.AddRange(singboxConfig.endpoints);
+        singboxConfig.endpoints = resultEndpoints;
         return await Task.FromResult(0);
     }
 
@@ -779,40 +785,14 @@ public partial class CoreConfigSingboxService
                 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);
-    }
+        singboxConfig.outbounds ??= new();
+        resultOutbounds.AddRange(singboxConfig.outbounds);
+        singboxConfig.outbounds = resultOutbounds;
+
+        singboxConfig.endpoints ??= new();
+        resultEndpoints.AddRange(singboxConfig.endpoints);
+        singboxConfig.endpoints = resultEndpoints;
 
-    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

@@ -376,7 +376,7 @@ public partial class CoreConfigSingboxService
             return Global.ProxyTag;
         }
 
-        var tag = $"{node.IndexId}-{Global.ProxyTag}";
+        var tag = Global.ProxyTag + node.IndexId.ToString();
         if (singboxConfig.outbounds.Any(o => o.tag == tag)
             || (singboxConfig.endpoints != null && singboxConfig.endpoints.Any(e => e.tag == tag)))
         {
@@ -385,10 +385,11 @@ public partial class CoreConfigSingboxService
 
         if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
         {
-            var ret = await GenGroupOutbound(node, singboxConfig, tag);
+            var childBaseTagName = $"{Global.ProxyTag}-{node.IndexId}";
+            var ret = await GenGroupOutbound(node, singboxConfig, childBaseTagName);
             if (ret == 0)
             {
-                return tag;
+                return childBaseTagName;
             }
             return Global.ProxyTag;
         }

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

@@ -114,6 +114,9 @@ public partial class CoreConfigV2rayService(Config config)
 
             await GenLog(v2rayConfig);
             await GenInbounds(v2rayConfig);
+            await GenRouting(v2rayConfig);
+            await GenDns(null, v2rayConfig);
+            await GenStatistic(v2rayConfig);
 
             var groupRet = await GenGroupOutbound(parentNode, v2rayConfig);
             if (groupRet != 0)
@@ -122,15 +125,11 @@ public partial class CoreConfigV2rayService(Config config)
                 return ret;
             }
 
-            await GenRouting(v2rayConfig);
-            await GenDns(null, v2rayConfig);
-            await GenStatistic(v2rayConfig);
-
             var defaultBalancerTag = $"{Global.ProxyTag}{Global.BalancerTagSuffix}";
 
             //add rule
             var rules = v2rayConfig.routing.rules;
-            if (rules?.Count > 0 && ((v2rayConfig.routing.balancers?.Count ?? 0) > 0))
+            if (rules?.Count > 0)
             {
                 var balancerTagSet = v2rayConfig.routing.balancers
                     .Select(b => b.tag)
@@ -177,7 +176,7 @@ public partial class CoreConfigV2rayService(Config config)
 
             ret.Success = true;
 
-            ret.Data = await ApplyFullConfigTemplate(v2rayConfig);
+            ret.Data = await ApplyFullConfigTemplate(v2rayConfig, true);
             return ret;
         }
         catch (Exception ex)
@@ -216,10 +215,13 @@ 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 groupRet = await GenGroupOutbound(parentNode, v2rayConfig);
             if (groupRet != 0)
@@ -228,13 +230,9 @@ public partial class CoreConfigV2rayService(Config config)
                 return ret;
             }
 
-            await GenRouting(v2rayConfig);
-            await GenDns(null, v2rayConfig);
-            await GenStatistic(v2rayConfig);
-
             ret.Success = true;
 
-            ret.Data = await ApplyFullConfigTemplate(v2rayConfig);
+            ret.Data = await ApplyFullConfigTemplate(v2rayConfig, true);
             return ret;
         }
         catch (Exception ex)

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

@@ -4,80 +4,32 @@ public partial class CoreConfigV2rayService
 {
     private async Task<int> GenObservatory(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad, string baseTagName = Global.ProxyTag)
     {
-        // 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)
+        if (multipleLoad == EMultipleLoad.LeastPing)
         {
-            baseTagName = matched;
-
-            if (v2rayConfig.burstObservatory?.subjectSelector?.Contains(baseTagName) == true)
+            var observatory = new Observatory4Ray
             {
-                v2rayConfig.burstObservatory.subjectSelector.Remove(baseTagName);
-                v2rayConfig.burstObservatory.subjectSelector.Insert(0, baseTagName);
-            }
-
-            if (v2rayConfig.observatory?.subjectSelector?.Contains(baseTagName) == true)
-            {
-                v2rayConfig.observatory.subjectSelector.Remove(baseTagName);
-                v2rayConfig.observatory.subjectSelector.Insert(0, baseTagName);
-            }
-
-            return await Task.FromResult(0);
+                subjectSelector = [baseTagName],
+                probeUrl = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
+                probeInterval = "3m",
+                enableConcurrency = true,
+            };
+            v2rayConfig.observatory = observatory;
         }
-
-        // Case 3: need to create or insert based on multipleLoad type
-        if (multipleLoad is EMultipleLoad.LeastLoad or EMultipleLoad.Fallback)
+        else if (multipleLoad is EMultipleLoad.LeastLoad or EMultipleLoad.Fallback)
         {
-            if (v2rayConfig.burstObservatory is null)
+            var burstObservatory = new BurstObservatory4Ray
             {
-                // Create new burst observatory with default ping config
-                v2rayConfig.burstObservatory = new BurstObservatory4Ray
+                subjectSelector = [baseTagName],
+                pingConfig = new()
                 {
-                    subjectSelector = [baseTagName],
-                    pingConfig = new()
-                    {
-                        destination = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
-                        interval = "5m",
-                        timeout = "30s",
-                        sampling = 2,
-                    }
-                };
-            }
-            else
-            {
-                v2rayConfig.burstObservatory.subjectSelector ??= new();
-                v2rayConfig.burstObservatory.subjectSelector.Add(baseTagName);
-            }
+                    destination = AppManager.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
+                    interval = "5m",
+                    timeout = "30s",
+                    sampling = 2,
+                }
+            };
+            v2rayConfig.burstObservatory = burstObservatory;
         }
-        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);
     }
 

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)
+    private async Task<string> ApplyFullConfigTemplate(V2rayConfig v2rayConfig, bool handleBalancerAndRules = false)
     {
         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 (v2rayConfig.routing?.balancers?.Count > 0)
+        if (handleBalancerAndRules && v2rayConfig.routing?.balancers?.Count > 0)
         {
             var balancer = v2rayConfig.routing.balancers.First();
 
@@ -60,34 +60,6 @@ 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

@@ -488,13 +488,33 @@ public partial class CoreConfigV2rayService
             {
                 return -1;
             }
-            var hasCycle = ProfileGroupItemManager.HasCycle(node.IndexId);
+            ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+            if (profileGroupItem is null || profileGroupItem.ChildItems.IsNullOrEmpty())
+            {
+                return -1;
+            }
+
+            var hasCycle = await node.HasCycle(new HashSet<string>(), new HashSet<string>());
             if (hasCycle)
             {
                 return -1;
             }
 
-            var (childProfiles, profileGroupItem) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+            // remove custom nodes
+            // remove group nodes for proxy chain
+            var childProfiles = (await Task.WhenAll(
+                    Utils.String2List(profileGroupItem.ChildItems)
+                        .Where(p => !p.IsNullOrEmpty())
+                        .Select(AppManager.Instance.GetProfileItem)
+                ))
+                .Where(p =>
+                    p != null &&
+                    p.IsValid() &&
+                    p.ConfigType != EConfigType.Custom &&
+                    (node.ConfigType == EConfigType.PolicyGroup || p.ConfigType < EConfigType.Group)
+                )
+                .ToList();
+
             if (childProfiles.Count <= 0)
             {
                 return -1;
@@ -519,11 +539,9 @@ public partial class CoreConfigV2rayService
             }
 
             //add balancers
-            if (node.ConfigType == EConfigType.PolicyGroup)
-            {
-                await GenObservatory(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
-                await GenBalancer(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
-            }
+            await GenObservatory(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
+            await GenBalancer(v2rayConfig, profileGroupItem.MultipleLoad, baseTagName);
+
         }
         catch (Exception ex)
         {
@@ -631,7 +649,16 @@ public partial class CoreConfigV2rayService
 
                 if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
                 {
-                    var (childProfiles, _) = await ProfileGroupItemManager.GetChildProfileItems(node.IndexId);
+                    ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+                    if (profileGroupItem == null || profileGroupItem.ChildItems.IsNullOrEmpty())
+                    {
+                        continue;
+                    }
+                    var childProfiles = (await Task.WhenAll(
+                            Utils.String2List(profileGroupItem.ChildItems)
+                            .Where(p => !p.IsNullOrEmpty())
+                            .Select(AppManager.Instance.GetProfileItem)
+                        )).Where(p => p != null).ToList();
                     if (childProfiles.Count <= 0)
                     {
                         continue;
@@ -699,17 +726,9 @@ 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);
-            }
+            resultOutbounds.AddRange(prevOutbounds);
+            resultOutbounds.AddRange(v2rayConfig.outbounds);
+            v2rayConfig.outbounds = resultOutbounds;
         }
         catch (Exception ex)
         {
@@ -778,26 +797,6 @@ public partial class CoreConfigV2rayService
         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())
             {
@@ -812,19 +811,13 @@ public partial class CoreConfigV2rayService
             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);
-        }
+        v2rayConfig.outbounds ??= new();
+        resultOutbounds.AddRange(v2rayConfig.outbounds);
+        v2rayConfig.outbounds = resultOutbounds;
         return await Task.FromResult(0);
     }
 
-    private async Task<int> GenChainOutboundsList(List<ProfileItem> nodes, V2rayConfig v2rayConfig, string baseTagName = Global.ProxyTag)
+    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();
@@ -865,15 +858,9 @@ public partial class CoreConfigV2rayService
 
             resultOutbounds.Add(outbound);
         }
-        if (baseTagName == Global.ProxyTag)
-        {
-            resultOutbounds.AddRange(v2rayConfig.outbounds);
-            v2rayConfig.outbounds = resultOutbounds;
-        }
-        else
-        {
-            v2rayConfig.outbounds.AddRange(resultOutbounds);
-        }
+        v2RayConfig.outbounds ??= new();
+        resultOutbounds.AddRange(v2RayConfig.outbounds);
+        v2RayConfig.outbounds = resultOutbounds;
 
         return await Task.FromResult(0);
     }

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

@@ -133,7 +133,7 @@ public partial class CoreConfigV2rayService
             return Global.ProxyTag;
         }
 
-        var tag = $"{node.IndexId}-{Global.ProxyTag}";
+        var tag = Global.ProxyTag + node.IndexId.ToString();
         if (v2rayConfig.outbounds.Any(p => p.tag == tag))
         {
             return tag;
@@ -141,10 +141,11 @@ public partial class CoreConfigV2rayService
 
         if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
         {
-            var ret = await GenGroupOutbound(node, v2rayConfig, tag);
+            var childBaseTagName = $"{Global.ProxyTag}-{node.IndexId}";
+            var ret = await GenGroupOutbound(node, v2rayConfig, childBaseTagName);
             if (ret == 0)
             {
-                return tag;
+                return childBaseTagName;
             }
             return Global.ProxyTag;
         }

v2rayN/ServiceLib/ViewModels/AddGroupServerViewModel.cs

@@ -195,12 +195,12 @@ public class AddGroupServerViewModel : MyReactiveObject
         var childIndexIds = new List<string>();
         foreach (var item in ChildItemsObs)
         {
-            if (item.IndexId.IsNullOrEmpty())
+            if (!item.IndexId.IsNullOrEmpty())
             {
-                continue;
+                childIndexIds.Add(item.IndexId);
             }
-            childIndexIds.Add(item.IndexId);
         }
+        SelectedSource.Address = Utils.List2String(childIndexIds);
         var profileGroup = ProfileGroupItemManager.Instance.GetOrCreateAndMarkDirty(SelectedSource.IndexId);
         profileGroup.ChildItems = Utils.List2String(childIndexIds);
         profileGroup.MultipleLoad = PolicyGroupType switch

v2rayN/v2rayN.Desktop/App.axaml

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

v2rayN/v2rayN.Desktop/Common/AvaUtils.cs

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

v2rayN/v2rayN.Desktop/Controls/AutoCompleteBox.axaml

@@ -0,0 +1,48 @@
+<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

@@ -0,0 +1,40 @@
+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/DNSSettingWindow.axaml

@@ -2,6 +2,7 @@
     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"
@@ -55,13 +56,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbDomesticDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbDirectDNS"
                             Grid.Row="1"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Text="{Binding DirectDNS, Mode=TwoWay}" />
 
                         <TextBlock
                             Grid.Row="2"
@@ -69,13 +70,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbRemoteDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbRemoteDNS"
                             Grid.Row="2"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Text="{Binding RemoteDNS, Mode=TwoWay}" />
 
                         <TextBlock
                             Grid.Row="3"
@@ -83,13 +84,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSBOutboundsResolverDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSBResolverDNS"
                             Grid.Row="3"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Text="{Binding SingboxOutboundsResolveDNS, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="2"
@@ -104,13 +105,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSBBootstrapDNS}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSBFinalResolverDNS"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Text="{Binding SingboxFinalResolveDNS, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -173,6 +174,13 @@
                             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>
@@ -252,13 +260,13 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbValidateDirectExpectedIPs}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbDirectExpectedIPs"
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Text="{Binding DirectExpectedIPs, Mode=TwoWay}" />
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="2"
@@ -355,11 +363,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ComboBox
+                            <ctrls:AutoCompleteBox
                                 x:Name="cmbdomainDNSAddressCompatible"
                                 Width="150"
                                 Margin="{StaticResource Margin4}"
-                                IsEditable="True" />
+                                Text="{Binding DomainDNSAddressCompatible, Mode=TwoWay}" />
                         </StackPanel>
                     </WrapPanel>
 
@@ -427,11 +435,11 @@
                                 Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
-                            <ComboBox
+                            <ctrls:AutoCompleteBox
                                 x:Name="cmbdomainDNSAddress2Compatible"
                                 Width="150"
                                 Margin="{StaticResource Margin4}"
-                                IsEditable="True" />
+                                Text="{Binding DomainDNSAddress2Compatible, Mode=TwoWay}" />
                         </StackPanel>
                     </WrapPanel>
 

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

@@ -40,15 +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.RemoteDNS, v => v.cmbRemoteDNS.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.DirectDNS, v => v.cmbDirectDNS.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.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);
 
@@ -57,11 +57,11 @@ 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);
 

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml

@@ -2,6 +2,7 @@
     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"
@@ -501,13 +502,12 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsCurrentFontFamily}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbcurrentFontFamily"
                             Grid.Row="15"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="15"
                             Grid.Column="2"
@@ -548,13 +548,12 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedTestUrl}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             Name="cmbSpeedTestUrl"
                             Grid.Row="18"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="19"
@@ -562,13 +561,12 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedPingTestUrl}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSpeedPingTestUrl"
                             Grid.Row="19"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="20"
@@ -589,13 +587,12 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbSettingsSubConvert}" />
-                        <ComboBox
+                        <ctrls:AutoCompleteBox
                             x:Name="cmbSubConvertUrl"
                             Grid.Row="21"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="22"
@@ -621,8 +618,7 @@
                             Grid.Row="23"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="23"
                             Grid.Column="2"
@@ -642,8 +638,7 @@
                             Grid.Row="24"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="24"
                             Grid.Column="2"
@@ -663,8 +658,7 @@
                             Grid.Row="25"
                             Grid.Column="1"
                             Width="300"
-                            Margin="{StaticResource Margin4}"
-                            IsEditable="True" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="25"
                             Grid.Column="2"

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml

@@ -2,6 +2,7 @@
     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"
@@ -46,26 +47,28 @@
                 Margin="{StaticResource Margin4}"
                 VerticalAlignment="Center"
                 Text="outboundTag" />
-            <ComboBox
+            <ctrls:AutoCompleteBox
                 Name="cmbOutboundTag"
                 Grid.Row="1"
                 Grid.Column="1"
                 Width="300"
                 Margin="{StaticResource Margin4}"
-                IsEditable="True" />
+                Text="{Binding SelectedSource.OutboundTag, Mode=TwoWay}" />
             <StackPanel
                 Grid.Row="1"
                 Grid.Column="2"
                 Margin="{StaticResource Margin4}"
+                Orientation="Horizontal"
                 HorizontalAlignment="Left"
-                VerticalAlignment="Center"
-                Orientation="Horizontal">
+                VerticalAlignment="Center">
                 <Button
                     x:Name="btnSelectProfile"
                     Margin="0,0,8,0"
-                    Click="BtnSelectProfile_Click"
-                    Content="{x:Static resx:ResUI.TbSelectProfile}" />
-                <TextBlock VerticalAlignment="Center" Text="{x:Static resx:ResUI.TbRuleOutboundTagTip}" />
+                    Content="{x:Static resx:ResUI.TbSelectProfile}"
+                    Click="BtnSelectProfile_Click" />
+                <TextBlock
+                    VerticalAlignment="Center"
+                    Text="{x:Static resx:ResUI.TbRuleOutboundTagTip}" />
             </StackPanel>
 
             <TextBlock

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

@@ -43,7 +43,6 @@ 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/Views/DNSSettingWindow.xaml

@@ -210,6 +210,13 @@
                             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>