diff --git a/v2rayN/Directory.Packages.props b/v2rayN/Directory.Packages.props
index e77fac13..9dcfbe61 100644
--- a/v2rayN/Directory.Packages.props
+++ b/v2rayN/Directory.Packages.props
@@ -20,6 +20,7 @@
     <PackageVersion Include="ReactiveUI.Fody" Version="19.5.41" />
     <PackageVersion Include="ReactiveUI.WPF" Version="20.4.1" />
     <PackageVersion Include="Semi.Avalonia" Version="11.2.1.10" />
+    <PackageVersion Include="Semi.Avalonia.AvaloniaEdit" Version="11.2.0.1" />
     <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" />
diff --git a/v2rayN/ServiceLib/ViewModels/MsgViewModel.cs b/v2rayN/ServiceLib/ViewModels/MsgViewModel.cs
index 8fc62dfe..f0e90a0f 100644
--- a/v2rayN/ServiceLib/ViewModels/MsgViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/MsgViewModel.cs
@@ -1,5 +1,6 @@
 using System.Collections.Concurrent;
 using System.Reactive.Linq;
+using System.Text;
 using System.Text.RegularExpressions;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
@@ -9,6 +10,7 @@ namespace ServiceLib.ViewModels;
 public class MsgViewModel : MyReactiveObject
 {
     private readonly ConcurrentQueue<string> _queueMsg = new();
+    private readonly StringBuilder _msgBuilder = new();
     private readonly int _numMaxMsg = 500;
     private bool _lastMsgFilterNotAvailable;
     private bool _blLockShow = false;
@@ -42,12 +44,7 @@ public class MsgViewModel : MyReactiveObject
     }
 
     private async Task AppendQueueMsg(string msg)
-    {
-        //if (msg == Global.CommandClearMsg)
-        //{
-        //    ClearMsg();
-        //    return;
-        //}
+    {        
         if (AutoRefresh == false)
         {
             return;
@@ -65,9 +62,18 @@ public class MsgViewModel : MyReactiveObject
 
         _blLockShow = true;
 
-        await Task.Delay(500);
-        var txt = string.Join("", _queueMsg.ToArray());
-        await _updateView?.Invoke(EViewAction.DispatcherShowMsg, txt);
+        _msgBuilder.Clear();
+        //foreach (var it in _queueMsg)
+        //{
+        //    _msgBuilder.Append(it);
+        //}
+        while (_queueMsg.TryDequeue(out var line))
+        {
+            _msgBuilder.Append(line);
+        }
+
+
+        await _updateView?.Invoke(EViewAction.DispatcherShowMsg, _msgBuilder.ToString());
 
         _blLockShow = false;
     }
diff --git a/v2rayN/v2rayN.Desktop/App.axaml b/v2rayN/v2rayN.Desktop/App.axaml
index 4b2577ca..222ab488 100644
--- a/v2rayN/v2rayN.Desktop/App.axaml
+++ b/v2rayN/v2rayN.Desktop/App.axaml
@@ -11,9 +11,9 @@
     RequestedThemeVariant="Default">
     <Application.Styles>
         <semi:SemiTheme />
+        <semi:AvaloniaEditSemiTheme />
         <StyleInclude Source="Assets/GlobalStyles.axaml" />
         <StyleInclude Source="avares://Semi.Avalonia.DataGrid/Index.axaml" />
-        <StyleInclude Source="avares://AvaloniaEdit/Themes/Simple/AvaloniaEdit.xaml" />
         <dialogHost:DialogHostStyles />
     </Application.Styles>
     <Application.Resources>
diff --git a/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml b/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
index 4cf9c585..f58db043 100644
--- a/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
+++ b/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
@@ -11,8 +11,6 @@
     <x:Double x:Key="IconButtonWidth">32</x:Double>
     <x:Double x:Key="IconButtonHeight">32</x:Double>
     <x:Double x:Key="MenuFlyoutMaxHeight">1000</x:Double>
-    <x:Double x:Key="FontSizeNormal">14</x:Double>
-    <FontFamily x:Key="ContentControlThemeFontFamily">Cascadia Code,Consolas,Menlo,Monospace</FontFamily>
 
     <Thickness x:Key="Margin2">2</Thickness>
     <Thickness x:Key="MarginLr4">4,0</Thickness>
diff --git a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
index 596de846..54cd078e 100644
--- a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
@@ -71,13 +71,28 @@
                 Theme="{DynamicResource SimpleToggleSwitch}" />
         </WrapPanel>
 
-        <ScrollViewer x:Name="msgScrollViewer" VerticalScrollBarVisibility="Auto">
-            <avaloniaEdit:TextEditor
-                Name="txtMsg"
-                HorizontalScrollBarVisibility="Auto"
-                IsReadOnly="True"
-                ShowLineNumbers="True"
-                VerticalScrollBarVisibility="Auto" />
-        </ScrollViewer>
+        <avaloniaEdit:TextEditor
+            Name="txtMsg"
+            Margin="{StaticResource Margin8}"
+            IsReadOnly="True"
+            VerticalScrollBarVisibility="Auto">
+            <avaloniaEdit:TextEditor.ContextFlyout>
+                <MenuFlyout>
+                    <MenuItem
+                        x:Name="menuMsgViewCopy"
+                        Click="menuMsgViewCopy_Click"
+                        Header="{x:Static resx:ResUI.menuMsgViewCopy}" />
+                    <MenuItem
+                        x:Name="menuMsgViewCopyAll"
+                        Click="menuMsgViewCopyAll_Click"
+                        Header="{x:Static resx:ResUI.menuMsgViewCopyAll}" />
+                    <MenuItem
+                        x:Name="menuMsgViewClear"
+                        Click="menuMsgViewClear_Click"
+                        Header="{x:Static resx:ResUI.menuMsgViewClear}" />
+                </MenuFlyout>
+            </avaloniaEdit:TextEditor.ContextFlyout>
+        </avaloniaEdit:TextEditor>
+
     </DockPanel>
 </UserControl>
diff --git a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml.cs b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml.cs
index e2d21101..75889fff 100644
--- a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml.cs
@@ -44,9 +44,11 @@ public partial class MsgView : ReactiveUserControl<MsgViewModel>
 
     private void ShowMsg(object msg)
     {
-        txtMsg.Text = msg.ToString();
+        // txtMsg.Text = msg.ToString();
+        txtMsg.AppendText(msg.ToString());
         if (togScrollToEnd.IsChecked ?? true)
         {
+            txtMsg.ScrollToEnd();
             _scrollViewer?.ScrollToEnd();
         }
     }
diff --git a/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj b/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
index 67e57f4a..f6ff5735 100644
--- a/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
+++ b/v2rayN/v2rayN.Desktop/v2rayN.Desktop.csproj
@@ -18,6 +18,7 @@
 		<PackageReference Include="Avalonia.ReactiveUI" />
 		<PackageReference Include="MessageBox.Avalonia" />
 		<PackageReference Include="Semi.Avalonia" />
+		<PackageReference Include="Semi.Avalonia.AvaloniaEdit" />
 		<PackageReference Include="Semi.Avalonia.DataGrid">
 			<TreatAsUsed>true</TreatAsUsed>
 		</PackageReference>