diff --git a/v2rayN/PacLib/PacHandler.cs b/v2rayN/PacLib/PacHandler.cs
index 1481b94d..6801c69b 100644
--- a/v2rayN/PacLib/PacHandler.cs
+++ b/v2rayN/PacLib/PacHandler.cs
@@ -11,11 +11,11 @@ public class PacHandler
     private static int _httpPort;
     private static int _pacPort;
     private static TcpListener? _tcpListener;
-    private static string _pacText;
+    private static byte[] _writeContent;
     private static bool _isRunning;
     private static bool _needRestart = true;
 
-    public static void Start(string configPath, int httpPort, int pacPort)
+    public static async Task Start(string configPath, int httpPort, int pacPort)
     {
         _needRestart = (configPath != _configPath || httpPort != _httpPort || pacPort != _pacPort || !_isRunning);
 
@@ -23,7 +23,7 @@ public class PacHandler
         _httpPort = httpPort;
         _pacPort = pacPort;
 
-        InitText();
+        await InitText();
 
         if (_needRestart)
         {
@@ -32,15 +32,24 @@ public class PacHandler
         }
     }
 
-    private static void InitText()
+    private static async Task InitText()
     {
         var path = Path.Combine(_configPath, "pac.txt");
         if (!File.Exists(path))
         {
-            File.AppendAllText(path, Resources.ResourceManager.GetString("pac"));
+            await File.AppendAllTextAsync(path, Resources.ResourceManager.GetString("pac"));
         }
 
-        _pacText = File.ReadAllText(path).Replace("__PROXY__", $"PROXY 127.0.0.1:{_httpPort};DIRECT;");
+        var pacText = (await File.ReadAllTextAsync(path)).Replace("__PROXY__", $"PROXY 127.0.0.1:{_httpPort};DIRECT;");
+
+        var sb = new StringBuilder();
+        sb.AppendLine("HTTP/1.0 200 OK");
+        sb.AppendLine("Content-type:application/x-ns-proxy-autoconfig");
+        sb.AppendLine("Connection:close");
+        sb.AppendLine("Content-Length:" + Encoding.UTF8.GetByteCount(pacText));
+        sb.AppendLine();
+        sb.Append(pacText);
+        _writeContent = Encoding.UTF8.GetBytes(sb.ToString());
     }
 
     private static void RunListener()
@@ -60,21 +69,8 @@ public class PacHandler
                         continue;
                     }
 
-                    var client = _tcpListener.AcceptTcpClient();
-                    await Task.Run(() =>
-                      {
-                          var stream = client.GetStream();
-                          var sb = new StringBuilder();
-                          sb.AppendLine("HTTP/1.0 200 OK");
-                          sb.AppendLine("Content-type:application/x-ns-proxy-autoconfig");
-                          sb.AppendLine("Connection:close");
-                          sb.AppendLine("Content-Length:" + Encoding.UTF8.GetByteCount(_pacText));
-                          sb.AppendLine();
-                          sb.Append(_pacText);
-                          var content = Encoding.UTF8.GetBytes(sb.ToString());
-                          stream.Write(content, 0, content.Length);
-                          stream.Flush();
-                      });
+                    var client = await _tcpListener.AcceptTcpClientAsync();
+                    await Task.Run(() => { WriteContent(client); });
                 }
                 catch
                 {
@@ -84,6 +80,13 @@ public class PacHandler
         }, TaskCreationOptions.LongRunning);
     }
 
+    private static void WriteContent(TcpClient client)
+    {
+        var stream = client.GetStream();
+        stream.Write(_writeContent, 0, _writeContent.Length);
+        stream.Flush();
+    }
+
     public static void Stop()
     {
         if (_tcpListener == null) return;
diff --git a/v2rayN/ServiceLib/Common/DesUtils.cs b/v2rayN/ServiceLib/Common/DesUtils.cs
new file mode 100644
index 00000000..132fff65
--- /dev/null
+++ b/v2rayN/ServiceLib/Common/DesUtils.cs
@@ -0,0 +1,75 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace ServiceLib.Common
+{
+    public class DesUtils
+    {
+        /// <summary>
+        /// Encrypt
+        /// </summary>
+        /// <param name="text"></param>
+        /// /// <param name="key"></param>
+        /// <returns></returns>
+        public static string Encrypt(string? text, string? key = null)
+        {
+            if (text.IsNullOrEmpty())
+            {
+                return string.Empty;
+            }
+            GetKeyIv(key ?? GetDefaultKey(), out var rgbKey, out var rgbIv);
+            var dsp = DES.Create();
+            using var memStream = new MemoryStream();
+            using var cryStream = new CryptoStream(memStream, dsp.CreateEncryptor(rgbKey, rgbIv), CryptoStreamMode.Write);
+            using var sWriter = new StreamWriter(cryStream);
+            sWriter.Write(text);
+            sWriter.Flush();
+            cryStream.FlushFinalBlock();
+            memStream.Flush();
+            return Convert.ToBase64String(memStream.GetBuffer(), 0, (int)memStream.Length);
+        }
+
+        /// <summary>
+        /// Decrypt
+        /// </summary>
+        /// <param name="encryptText"></param>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public static string Decrypt(string? encryptText, string? key = null)
+        {
+            if (encryptText.IsNullOrEmpty())
+            {
+                return string.Empty;
+            }
+            GetKeyIv(key ?? GetDefaultKey(), out var rgbKey, out var rgbIv);
+            var dsp = DES.Create();
+            var buffer = Convert.FromBase64String(encryptText);
+
+            using var memStream = new MemoryStream();
+            using var cryStream = new CryptoStream(memStream, dsp.CreateDecryptor(rgbKey, rgbIv), CryptoStreamMode.Write);
+            cryStream.Write(buffer, 0, buffer.Length);
+            cryStream.FlushFinalBlock();
+            return Encoding.UTF8.GetString(memStream.ToArray());
+        }
+
+        private static void GetKeyIv(string key, out byte[] rgbKey, out byte[] rgbIv)
+        {
+            if (key.IsNullOrEmpty())
+            {
+                throw new ArgumentNullException("The key cannot be null");
+            }
+            if (key.Length <= 8)
+            {
+                throw new ArgumentNullException("The key length cannot be less than 8 characters.");
+            }
+
+            rgbKey = Encoding.ASCII.GetBytes(key.Substring(0, 8));
+            rgbIv = Encoding.ASCII.GetBytes(key.Insert(0, "w").Substring(0, 8));
+        }
+
+        private static string GetDefaultKey()
+        {
+            return Utils.GetMd5(Utils.GetHomePath() + "DesUtils");
+        }
+    }
+}
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Handler/ConfigHandler.cs b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
index 9ebb928d..84e6b6b4 100644
--- a/v2rayN/ServiceLib/Handler/ConfigHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
@@ -959,7 +959,6 @@ namespace ServiceLib.Handler
                 && o.Address == n.Address
                 && o.Port == n.Port
                 && o.Id == n.Id
-                && o.AlterId == n.AlterId
                 && o.Security == n.Security
                 && o.Network == n.Network
                 && o.HeaderType == n.HeaderType
@@ -968,6 +967,10 @@ namespace ServiceLib.Handler
                 && (o.ConfigType == EConfigType.Trojan || o.StreamSecurity == n.StreamSecurity)
                 && o.Flow == n.Flow
                 && o.Sni == n.Sni
+                && o.Alpn == n.Alpn
+                && o.Fingerprint == n.Fingerprint
+                && o.PublicKey == n.PublicKey
+                && o.ShortId == n.ShortId
                 && (!remarks || o.Remarks == n.Remarks);
         }
 
diff --git a/v2rayN/ServiceLib/Handler/CoreHandler.cs b/v2rayN/ServiceLib/Handler/CoreHandler.cs
index cd8cdf51..6ebb80e8 100644
--- a/v2rayN/ServiceLib/Handler/CoreHandler.cs
+++ b/v2rayN/ServiceLib/Handler/CoreHandler.cs
@@ -261,7 +261,7 @@ namespace ServiceLib.Handler
             return _config.TunModeItem.EnableTun
                    && eCoreType == ECoreType.sing_box
                    && Utils.IsLinux()
-                   && _config.TunModeItem.LinuxSudoPassword.IsNotEmpty()
+                   && _config.TunModeItem.LinuxSudoPwd.IsNotEmpty()
                 ;
         }
 
@@ -299,7 +299,8 @@ namespace ServiceLib.Handler
                 if (isNeedSudo)
                 {
                     proc.StartInfo.FileName = $"/bin/sudo";
-                    proc.StartInfo.Arguments = $"-S {fileName} {string.Format(coreInfo.Arguments, configPath)}";
+                    proc.StartInfo.Arguments = $"-S {fileName} {string.Format(coreInfo.Arguments, Utils.GetConfigPath(configPath))}";
+                    proc.StartInfo.WorkingDirectory = null;
                     proc.StartInfo.StandardInputEncoding = Encoding.UTF8;
                     proc.StartInfo.RedirectStandardInput = true;
                 }
@@ -328,10 +329,11 @@ namespace ServiceLib.Handler
 
                 if (isNeedSudo)
                 {
+                    var pwd = DesUtils.Decrypt(_config.TunModeItem.LinuxSudoPwd);
                     await Task.Delay(10);
-                    await proc.StandardInput.WriteLineAsync(_config.TunModeItem.LinuxSudoPassword);
+                    await proc.StandardInput.WriteLineAsync(pwd);
                     await Task.Delay(10);
-                    await proc.StandardInput.WriteLineAsync(_config.TunModeItem.LinuxSudoPassword);
+                    await proc.StandardInput.WriteLineAsync(pwd);
                 }
 
                 if (displayLog)
diff --git a/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs b/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
index d6735e4b..de2ac9db 100644
--- a/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
+++ b/v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs
@@ -33,15 +33,10 @@ namespace ServiceLib.Handler.SysProxy
                         await ProxySettingLinux.SetProxy(Global.Loopback, port);
                         break;
 
-                    case ESysProxyType.ForcedChange:
-                        {
-                            if (Utils.IsOSX())
-                            {
-                                await ProxySettingOSX.SetProxy(Global.Loopback, port);
-                            }
+                    case ESysProxyType.ForcedChange when Utils.IsOSX():
+                        await ProxySettingOSX.SetProxy(Global.Loopback, port);
+                        break;
 
-                            break;
-                        }
                     case ESysProxyType.ForcedClear when Utils.IsWindows():
                         ProxySettingWindows.UnsetProxy();
                         break;
@@ -50,23 +45,13 @@ namespace ServiceLib.Handler.SysProxy
                         await ProxySettingLinux.UnsetProxy();
                         break;
 
-                    case ESysProxyType.ForcedClear:
-                        {
-                            if (Utils.IsOSX())
-                            {
-                                await ProxySettingOSX.UnsetProxy();
-                            }
+                    case ESysProxyType.ForcedClear when Utils.IsOSX():
+                        await ProxySettingOSX.UnsetProxy();
+                        break;
 
-                            break;
-                        }
                     case ESysProxyType.Pac when Utils.IsWindows():
-                        {
-                            var portPac = AppHandler.Instance.GetLocalPort(EInboundProtocol.pac);
-                            PacHandler.Start(Utils.GetConfigPath(), port, portPac);
-                            var strProxy = $"{Global.HttpProtocol}{Global.Loopback}:{portPac}/pac?t={DateTime.Now.Ticks}";
-                            ProxySettingWindows.SetProxy(strProxy, "", 4);
-                            break;
-                        }
+                        await SetWindowsProxyPac(port);
+                        break;
                 }
 
                 if (type != ESysProxyType.Pac && Utils.IsWindows())
@@ -102,5 +87,13 @@ namespace ServiceLib.Handler.SysProxy
                     .Replace("{socks_port}", portSocks.ToString());
             }
         }
+
+        private static async Task SetWindowsProxyPac(int port)
+        {
+            var portPac = AppHandler.Instance.GetLocalPort(EInboundProtocol.pac);
+            await PacHandler.Start(Utils.GetConfigPath(), port, portPac);
+            var strProxy = $"{Global.HttpProtocol}{Global.Loopback}:{portPac}/pac?t={DateTime.Now.Ticks}";
+            ProxySettingWindows.SetProxy(strProxy, "", 4);
+        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
index 8ec47b88..7de1794c 100644
--- a/v2rayN/ServiceLib/Models/ConfigItems.cs
+++ b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -80,7 +80,7 @@
         public bool IgnoreGeoUpdateCore { get; set; } = true;
 
         public int AutoUpdateInterval { get; set; }
-        
+
         public bool EnableSecurityProtocolTls13 { get; set; }
 
         public int TrayMenuServersLimit { get; set; } = 20;
@@ -116,6 +116,7 @@
         public bool EnableDragDropSort { get; set; }
         public bool DoubleClick2Activate { get; set; }
         public bool AutoHideStartup { get; set; }
+        public bool Hide2TrayWhenClose { get; set; }
         public List<ColumnItem> MainColumnItem { get; set; }
         public bool ShowInTaskbar { get; set; }
     }
@@ -161,7 +162,7 @@
         public int Mtu { get; set; }
         public bool EnableExInbound { get; set; }
         public bool EnableIPv6Address { get; set; }
-        public string? LinuxSudoPassword { get; set; }
+        public string? LinuxSudoPwd { get; set; }
     }
 
     [Serializable]
diff --git a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
index 30568641..a439d7c0 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
+++ b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
@@ -3103,6 +3103,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Hide to tray when closing the window 的本地化字符串。
+        /// </summary>
+        public static string TbSettingsHide2TrayWhenClose {
+            get {
+                return ResourceManager.GetString("TbSettingsHide2TrayWhenClose", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 HTTP Port 的本地化字符串。
         /// </summary>
@@ -3176,7 +3185,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 The password will only be stored in the local file. 的本地化字符串。
+        ///   查找类似 The password is encrypted and stored only in local files. 的本地化字符串。
         /// </summary>
         public static string TbSettingsLinuxSudoPasswordTip {
             get {
diff --git a/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx b/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
index 991c9fe2..937d107f 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx
@@ -1373,7 +1373,7 @@
     <value>Linux system sudo password</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordTip" xml:space="preserve">
-    <value>The password will only be stored in the local file.</value>
+    <value>The password is encrypted and stored only in local files.</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordIsEmpty" xml:space="preserve">
     <value>Please set the sudo password in Tun mode settings first</value>
@@ -1387,4 +1387,7 @@
   <data name="TransportExtraTip" xml:space="preserve">
     <value>XHTTP Extra raw JSON, format: { XHTTPObject }</value>
   </data>
+  <data name="TbSettingsHide2TrayWhenClose" xml:space="preserve">
+    <value>Hide to tray when closing the window</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.resx b/v2rayN/ServiceLib/Resx/ResUI.resx
index 9c69dc95..af6a2c9e 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.resx
@@ -1373,7 +1373,7 @@
     <value>Linux system sudo password</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordTip" xml:space="preserve">
-    <value>The password will only be stored in the local file.</value>
+    <value>The password is encrypted and stored only in local files.</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordIsEmpty" xml:space="preserve">
     <value>Please set the sudo password in Tun mode settings first</value>
@@ -1387,4 +1387,7 @@
   <data name="TransportExtraTip" xml:space="preserve">
     <value>XHTTP Extra raw JSON, format: { XHTTPObject }</value>
   </data>
+  <data name="TbSettingsHide2TrayWhenClose" xml:space="preserve">
+    <value>Hide to tray when closing the window</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.ru.resx b/v2rayN/ServiceLib/Resx/ResUI.ru.resx
index 20395013..8758825c 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.ru.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.ru.resx
@@ -1373,7 +1373,7 @@
     <value>Linux system sudo password</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordTip" xml:space="preserve">
-    <value>The password will only be stored in the local file.</value>
+    <value>The password is encrypted and stored only in local files.</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordIsEmpty" xml:space="preserve">
     <value>Please set the sudo password in Tun mode settings first</value>
@@ -1387,4 +1387,7 @@
   <data name="TransportExtraTip" xml:space="preserve">
     <value>XHTTP Extra raw JSON, format: { XHTTPObject }</value>
   </data>
+  <data name="TbSettingsHide2TrayWhenClose" xml:space="preserve">
+    <value>Hide to tray when closing the window</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
index 18631825..9fd66a6e 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
@@ -1370,7 +1370,7 @@
     <value>Linux系统的sudo密码</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordTip" xml:space="preserve">
-    <value>密码只会存储在本地文件中，没有密码无法开启Tun</value>
+    <value>密码已加密且只存储在本地文件中，无密码无法开启Tun</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordIsEmpty" xml:space="preserve">
     <value>请先在Tun模式设置中设置sudo密码</value>
@@ -1384,4 +1384,7 @@
   <data name="TransportExtraTip" xml:space="preserve">
     <value>XHTTP Extra 原始 JSON，格式： { XHTTPObject }</value>
   </data>
+  <data name="TbSettingsHide2TrayWhenClose" xml:space="preserve">
+    <value>关闭窗口时隐藏至托盘</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
index c68e0da6..0243c1f3 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
@@ -127,7 +127,7 @@
     <value>設定格式不正確</value>
   </data>
   <data name="CustomServerTips" xml:space="preserve">
-    <value>注意，自訂設定完全依賴您自己的設定，不能使用所有設定功能。如需使用系統代理請手動修改監聽埠。</value>
+    <value>注意，自訂設定完全依賴您自己的設定，不能使用所有設定功能。如需使用系統代理請手動修改偵聽埠。</value>
   </data>
   <data name="Downloading" xml:space="preserve">
     <value>下載開始...</value>
@@ -157,7 +157,7 @@
     <value>請填寫正確格式伺服器埠</value>
   </data>
   <data name="FillLocalListeningPort" xml:space="preserve">
-    <value>請填寫本機監聽埠</value>
+    <value>請填寫本機偵聽埠</value>
   </data>
   <data name="FillPassword" xml:space="preserve">
     <value>請填寫密碼</value>
@@ -722,7 +722,7 @@
     <value>例外. 對於下列字元開頭的位址不使用代理設定檔:使用分號(;)分隔</value>
   </data>
   <data name="TbSettingsHttpPort" xml:space="preserve">
-    <value>本機HTTP監聽埠</value>
+    <value>本機HTTP偵聽埠</value>
   </data>
   <data name="TbSettingsIgnoreGeoUpdateCore" xml:space="preserve">
     <value>更新Core時忽略Geo檔案</value>
@@ -755,7 +755,7 @@
     <value>開啟流量探測</value>
   </data>
   <data name="TbSettingsSocksPort" xml:space="preserve">
-    <value>本機SOCKS監聽埠</value>
+    <value>本機SOCKS偵聽埠</value>
   </data>
   <data name="TbSettingsStartBoot" xml:space="preserve">
     <value>開機啟動(可能會不成功)</value>
@@ -998,7 +998,7 @@
     <value>複製字型TTF/TTC檔案到目錄guiFonts，重啟設定</value>
   </data>
   <data name="TbSettingsSocksPortTip" xml:space="preserve">
-    <value>http端口= +1；Pac端口= +4；*ray API端口= +5；mihomo API端口= +6；</value>
+    <value>http連接埠= +1；Pac連接埠= +4；*ray API連接埠= +5；mihomo API連接埠= +6；</value>
   </data>
   <data name="TbSettingsStartBootTip" xml:space="preserve">
     <value>以管理員權限設定此項，在啟動後獲得管理員權限</value>
@@ -1094,7 +1094,7 @@
     <value>請確保別名存在並且唯一</value>
   </data>
   <data name="TbSettingsEnableExInbound" xml:space="preserve">
-    <value>啟用額外監聽端口</value>
+    <value>啟用額外偵聽連接埠</value>
   </data>
   <data name="TbSettingsEnableIPv6Address" xml:space="preserve">
     <value>啟用IPv6</value>
@@ -1154,7 +1154,7 @@
     <value>您目前運行的是獨立包，請手動下載 SelfContained.7z檔案解壓縮覆蓋！</value>
   </data>
   <data name="TbPreSocksPort4Sub" xml:space="preserve">
-    <value>自訂設定的Socks端口</value>
+    <value>自訂設定的Socks連接埠</value>
   </data>
   <data name="menuBackupAndRestore" xml:space="preserve">
     <value>備份和還原</value>
@@ -1370,7 +1370,7 @@
     <value>Linux系統的sudo密碼</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordTip" xml:space="preserve">
-    <value>密碼只會儲存在本機檔案中，沒有密碼無法開啟Tun</value>
+    <value>密碼已加密且只儲存在本機檔案中，無密碼無法開啟Tun</value>
   </data>
   <data name="TbSettingsLinuxSudoPasswordIsEmpty" xml:space="preserve">
     <value>請先在Tun模式設定中設定sudo密碼</value>
@@ -1384,4 +1384,7 @@
   <data name="TransportExtraTip" xml:space="preserve">
     <value>XHTTP Extra 原始 JSON，格式： { XHTTPObject }</value>
   </data>
+  <data name="TbSettingsHide2TrayWhenClose" xml:space="preserve">
+    <value>關閉視窗時隱藏至托盤</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/ServiceLib.csproj b/v2rayN/ServiceLib/ServiceLib.csproj
index 83d73e70..ecd130e6 100644
--- a/v2rayN/ServiceLib/ServiceLib.csproj
+++ b/v2rayN/ServiceLib/ServiceLib.csproj
@@ -4,7 +4,7 @@
 	<TargetFramework>net8.0</TargetFramework>
 	<ImplicitUsings>enable</ImplicitUsings>
 	<Nullable>enable</Nullable>
-	<Version>7.1.0</Version>
+	<Version>7.1.1</Version>
   </PropertyGroup>
  
 	<ItemGroup>
diff --git a/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs b/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
index a62c3f2a..5890d614 100644
--- a/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
@@ -267,7 +267,7 @@ namespace ServiceLib.ViewModels
                     var filesList = (new DirectoryInfo(toPath)).GetFiles().Select(u => u.FullName).ToList();
                     foreach (var file in filesList)
                     {
-                        await Utils.SetLinuxChmod(Path.Combine(toPath, item.CoreType));
+                        await Utils.SetLinuxChmod(Path.Combine(toPath, item.CoreType.ToLower()));
                     }
                 }
 
diff --git a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
index 40aadaca..53fe1df6 100644
--- a/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
@@ -53,6 +53,7 @@ namespace ServiceLib.ViewModels
         [Reactive] public bool EnableUpdateSubOnlyRemarksExist { get; set; }
         [Reactive] public bool EnableSecurityProtocolTls13 { get; set; }
         [Reactive] public bool AutoHideStartup { get; set; }
+        [Reactive] public bool Hide2TrayWhenClose { get; set; }
         [Reactive] public bool EnableDragDropSort { get; set; }
         [Reactive] public bool DoubleClick2Activate { get; set; }
         [Reactive] public int AutoUpdateInterval { get; set; }
@@ -166,6 +167,7 @@ namespace ServiceLib.ViewModels
             EnableUpdateSubOnlyRemarksExist = _config.UiItem.EnableUpdateSubOnlyRemarksExist;
             EnableSecurityProtocolTls13 = _config.GuiItem.EnableSecurityProtocolTls13;
             AutoHideStartup = _config.UiItem.AutoHideStartup;
+            Hide2TrayWhenClose = _config.UiItem.Hide2TrayWhenClose;
             EnableDragDropSort = _config.UiItem.EnableDragDropSort;
             DoubleClick2Activate = _config.UiItem.DoubleClick2Activate;
             AutoUpdateInterval = _config.GuiItem.AutoUpdateInterval;
@@ -198,7 +200,7 @@ namespace ServiceLib.ViewModels
             TunMtu = _config.TunModeItem.Mtu;
             TunEnableExInbound = _config.TunModeItem.EnableExInbound;
             TunEnableIPv6Address = _config.TunModeItem.EnableIPv6Address;
-            TunLinuxSudoPassword = _config.TunModeItem.LinuxSudoPassword;
+            TunLinuxSudoPassword = _config.TunModeItem.LinuxSudoPwd;
 
             #endregion Tun mode
 
@@ -316,6 +318,7 @@ namespace ServiceLib.ViewModels
             _config.UiItem.EnableUpdateSubOnlyRemarksExist = EnableUpdateSubOnlyRemarksExist;
             _config.GuiItem.EnableSecurityProtocolTls13 = EnableSecurityProtocolTls13;
             _config.UiItem.AutoHideStartup = AutoHideStartup;
+            _config.UiItem.Hide2TrayWhenClose = Hide2TrayWhenClose;
             _config.GuiItem.AutoUpdateInterval = AutoUpdateInterval;
             _config.UiItem.EnableDragDropSort = EnableDragDropSort;
             _config.UiItem.DoubleClick2Activate = DoubleClick2Activate;
@@ -342,7 +345,10 @@ namespace ServiceLib.ViewModels
             _config.TunModeItem.Mtu = TunMtu;
             _config.TunModeItem.EnableExInbound = TunEnableExInbound;
             _config.TunModeItem.EnableIPv6Address = TunEnableIPv6Address;
-            _config.TunModeItem.LinuxSudoPassword = TunLinuxSudoPassword;
+            if (TunLinuxSudoPassword != _config.TunModeItem.LinuxSudoPwd)
+            {
+                _config.TunModeItem.LinuxSudoPwd = DesUtils.Encrypt(TunLinuxSudoPassword);
+            }
 
             //coreType
             await SaveCoreType();
diff --git a/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs b/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
index 47c7312a..3298f636 100644
--- a/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
@@ -440,7 +440,7 @@ namespace ServiceLib.ViewModels
             }
             else if (Utils.IsLinux())
             {
-                return _config.TunModeItem.LinuxSudoPassword.IsNotEmpty();
+                return _config.TunModeItem.LinuxSudoPwd.IsNotEmpty();
             }
             return false;
         }
diff --git a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
index 377e4689..a0ac88f8 100644
--- a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
@@ -382,7 +382,7 @@ namespace v2rayN.Desktop.Views
         #endregion Event
 
         #region UI
-
+         
         public void ShowHideWindow(bool? blShow)
         {
             var bl = blShow ?? !_config.UiItem.ShowInTaskbar;
@@ -398,7 +398,7 @@ namespace v2rayN.Desktop.Views
             }
             else
             {
-                if (Utils.IsWindows())
+                if (_config.UiItem.Hide2TrayWhenClose)
                 {
                     this.Hide();
                 }
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 6176dfe3..7f340867 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -489,6 +489,18 @@
                             HorizontalAlignment="Left"
                             Classes="Margin8" />
 
+                        <TextBlock
+                            Grid.Row="9"
+                            Grid.Column="0"
+                            VerticalAlignment="Center"
+                            Classes="Margin8"
+                            Text="{x:Static resx:ResUI.TbSettingsHide2TrayWhenClose}" />
+                        <ToggleSwitch
+                            x:Name="togHide2TrayWhenClose"
+                            Grid.Row="9"
+                            Grid.Column="1"
+                            HorizontalAlignment="Left"
+                            Classes="Margin8" />
 
 
                         <TextBlock
@@ -808,8 +820,7 @@
                             Grid.Column="1"
                             Width="200"
                             HorizontalAlignment="Left"
-                            Classes="Margin8"
-                            PasswordChar="*" />
+                            Classes="Margin8" />
                         <TextBlock
                             Grid.Row="7"
                             Grid.Column="2"
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 22b96ce8..4fff78f4 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -131,6 +131,7 @@ namespace v2rayN.Desktop.Views
                 this.Bind(ViewModel, vm => vm.EnableUpdateSubOnlyRemarksExist, v => v.togEnableUpdateSubOnlyRemarksExist.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.EnableSecurityProtocolTls13, v => v.togEnableSecurityProtocolTls13.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.AutoHideStartup, v => v.togAutoHideStartup.IsChecked).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.Hide2TrayWhenClose, v => v.togHide2TrayWhenClose.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.DoubleClick2Activate, v => v.togDoubleClick2Activate.IsChecked).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.AutoUpdateInterval, v => v.txtautoUpdateInterval.Text).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.CurrentFontFamily, v => v.cmbcurrentFontFamily.SelectedValue).DisposeWith(disposables);