diff --git a/v2rayN/ServiceLib/Enums/EMsgCommand.cs b/v2rayN/ServiceLib/Enums/EMsgCommand.cs
index 31d7556f..c955e830 100644
--- a/v2rayN/ServiceLib/Enums/EMsgCommand.cs
+++ b/v2rayN/ServiceLib/Enums/EMsgCommand.cs
@@ -5,6 +5,7 @@
         ClearMsg,
         SendMsgView,
         SendSnackMsg,
-        RefreshProfiles
+        RefreshProfiles,
+        StopSpeedtest
     }
 }
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Services/SpeedtestService.cs b/v2rayN/ServiceLib/Services/SpeedtestService.cs
index 61bfd7c1..d8411903 100644
--- a/v2rayN/ServiceLib/Services/SpeedtestService.cs
+++ b/v2rayN/ServiceLib/Services/SpeedtestService.cs
@@ -1,7 +1,7 @@
-using System.Diagnostics;
+using ReactiveUI;
+using System.Diagnostics;
 using System.Net;
 using System.Net.Sockets;
-
 namespace ServiceLib.Services
 {
     public class SpeedtestService
@@ -80,10 +80,12 @@ namespace ServiceLib.Services
                     Task.Run(RunMixedtestAsync);
                     break;
             }
+            MessageBus.Current.Listen<string>(EMsgCommand.StopSpeedtest.ToString()).Subscribe(ExitLoop);
         }
 
-        public void ExitLoop()
+        private void ExitLoop(string x)
         {
+            if(_exitLoop) return;
             _exitLoop = true;
             UpdateFunc("", ResUI.SpeedtestingStop);
         }
diff --git a/v2rayN/ServiceLib/Services/UpdateService.cs b/v2rayN/ServiceLib/Services/UpdateService.cs
index 5a430a9c..1a8e8d64 100644
--- a/v2rayN/ServiceLib/Services/UpdateService.cs
+++ b/v2rayN/ServiceLib/Services/UpdateService.cs
@@ -6,12 +6,10 @@ namespace ServiceLib.Services
     public class UpdateService
     {
         private Action<bool, string>? _updateFunc;
-        private Config _config;
         private int _timeout = 30;
 
         public async Task CheckUpdateGuiN(Config config, Action<bool, string> updateFunc, bool preRelease)
         {
-            _config = config;
             _updateFunc = updateFunc;
             var url = string.Empty;
             var fileName = string.Empty;
@@ -53,7 +51,6 @@ namespace ServiceLib.Services
 
         public async Task CheckUpdateCore(ECoreType type, Config config, Action<bool, string> updateFunc, bool preRelease)
         {
-            _config = config;
             _updateFunc = updateFunc;
             var url = string.Empty;
             var fileName = string.Empty;
@@ -108,7 +105,6 @@ namespace ServiceLib.Services
 
         public async Task UpdateSubscriptionProcess(Config config, string subId, bool blProxy, Action<bool, string> updateFunc)
         {
-            _config = config;
             _updateFunc = updateFunc;
 
             _updateFunc?.Invoke(false, ResUI.MsgUpdateSubscriptionStart);
@@ -454,7 +450,6 @@ namespace ServiceLib.Services
 
         private async Task UpdateGeoFile(string geoName, Config config, Action<bool, string> updateFunc)
         {
-            _config = config;
             _updateFunc = updateFunc;
 
             var geoUrl = string.IsNullOrEmpty(config?.ConstItem.GeoSourceUrl)
@@ -470,7 +465,6 @@ namespace ServiceLib.Services
 
         private async Task UpdateSrsFileAll(Config config, Action<bool, string> updateFunc)
         {
-            _config = config;
             _updateFunc = updateFunc;
 
             var geoipFiles = new List<string>();
@@ -521,9 +515,9 @@ namespace ServiceLib.Services
 
         private async Task UpdateSrsFile(string type, string srsName, Config config, Action<bool, string> updateFunc)
         {
-            var srsUrl = string.IsNullOrEmpty(_config.ConstItem.SrsSourceUrl)
+            var srsUrl = string.IsNullOrEmpty(config.ConstItem.SrsSourceUrl)
                             ? Global.SingboxRulesetUrl
-                            : _config.ConstItem.SrsSourceUrl;
+                            : config.ConstItem.SrsSourceUrl;
 
             var fileName = $"{type}-{srsName}.srs";
             var targetPath = Path.Combine(Utils.GetBinPath("srss"), fileName);
diff --git a/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs b/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
index 8249d6e8..66d38ddc 100644
--- a/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
@@ -16,7 +16,6 @@ namespace ServiceLib.ViewModels
         private List<ProfileItem> _lstProfile;
         private string _serverFilter = string.Empty;
         private Dictionary<string, bool> _dicHeaderSort = new();
-        private SpeedtestService? _speedtestHandler;
 
         #endregion private prop
 
@@ -686,12 +685,13 @@ namespace ServiceLib.ViewModels
             }
             //ClearTestResult();
 
-            _speedtestHandler = new SpeedtestService(_config, lstSelecteds, actionType, UpdateSpeedtestHandler);
+            _ = new SpeedtestService(_config, lstSelecteds, actionType, UpdateSpeedtestHandler);
+
         }
 
         public void ServerSpeedtestStop()
         {
-            _speedtestHandler?.ExitLoop();
+            MessageBus.Current.SendMessage("", EMsgCommand.StopSpeedtest.ToString());
         }
 
         private async Task Export2ClientConfigAsync(bool blClipboard)
diff --git a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
index 4ff25dcb..99dd5121 100644
--- a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
@@ -83,6 +83,7 @@
             Classes="TextArea"
             IsReadOnly="True"
             TextAlignment="Left"
+            VerticalAlignment="Stretch"
             TextWrapping="Wrap">
             <TextBox.ContextMenu>
                 <ContextMenu>
diff --git a/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj b/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
index fcdf3e0d..8ab9c55f 100644
--- a/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
+++ b/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
@@ -20,16 +20,16 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.1.4" />
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.1.4" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.1.4" />
-        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.1.4" />
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.1.4" />
-        <PackageReference Include="Avalonia.ReactiveUI" Version="11.1.4" />
+        <PackageReference Include="Avalonia" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.0" />
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.2.0" />
+        <PackageReference Include="Avalonia.ReactiveUI" Version="11.2.0" />
         <PackageReference Include="DialogHost.Avalonia" Version="0.8.1" />
         <PackageReference Include="MessageBox.Avalonia" Version="3.2.0" />		
-        <PackageReference Include="Semi.Avalonia" Version="11.1.0.4" />
-        <PackageReference Include="Semi.Avalonia.DataGrid" Version="11.1.0.4" />
+        <PackageReference Include="Semi.Avalonia" Version="11.2.0" />
+        <PackageReference Include="Semi.Avalonia.DataGrid" Version="11.2.0" />
         <PackageReference Include="ReactiveUI" Version="20.1.63" />
         <PackageReference Include="ReactiveUI.Fody" Version="19.5.41" />
 	</ItemGroup>