diff --git a/v2rayN/v2rayN/Handler/MainFormHandler.cs b/v2rayN/v2rayN/Handler/MainFormHandler.cs
index c93893bc..6c60534a 100644
--- a/v2rayN/v2rayN/Handler/MainFormHandler.cs
+++ b/v2rayN/v2rayN/Handler/MainFormHandler.cs
@@ -2,6 +2,9 @@
 using Splat;
 using System.Drawing;
 using System.IO;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Interop;
 using System.Windows.Media.Imaging;
 using v2rayN.Enums;
 using v2rayN.Handler.CoreConfig;
@@ -223,5 +226,27 @@ namespace v2rayN.Handler
             HotkeyHandler.Instance.HotkeyTriggerEvent += handler;
             HotkeyHandler.Instance.Load();
         }
+
+        public void RegisterSystemColorSet(Config config, Window window, Action<bool> update)
+        {
+            var helper = new WindowInteropHelper(window);
+            var hwndSource = HwndSource.FromHwnd(helper.EnsureHandle());
+            hwndSource.AddHook((IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) =>
+            {
+                if (config.uiItem.followSystemTheme)
+                {
+                    const int WM_SETTINGCHANGE = 0x001A;
+                    if (msg == WM_SETTINGCHANGE)
+                    {
+                        if (wParam == IntPtr.Zero && Marshal.PtrToStringUni(lParam) == "ImmersiveColorSet")
+                        {
+                            update(!Utils.IsLightTheme());                            
+                        }
+                    }
+                }
+
+                return IntPtr.Zero;
+            });
+        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Views/ClashProxiesView.xaml b/v2rayN/v2rayN/Views/ClashProxiesView.xaml
index 05d99e6f..6b1bded3 100644
--- a/v2rayN/v2rayN/Views/ClashProxiesView.xaml
+++ b/v2rayN/v2rayN/Views/ClashProxiesView.xaml
@@ -19,72 +19,71 @@
         <converters:DelayColorConverter x:Key="DelayColorConverter" />
     </UserControl.Resources>
 
-    <DockPanel>
-        <ToolBarTray DockPanel.Dock="Top">
-            <ToolBar
-                HorizontalAlignment="Center"
+    <DockPanel Margin="2">
+        <WrapPanel
+            Margin="8"
+            VerticalAlignment="Center"
+            DockPanel.Dock="Top"
+            Orientation="Horizontal">
+            <Button
+                x:Name="menuProxiesReload"
+                Width="30"
+                Height="30"
+                Margin="8,0"
+                Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
+                <materialDesign:PackIcon VerticalAlignment="Center" Kind="Reload" />
+            </Button>
+
+            <Button
+                x:Name="menuProxiesDelaytest"
+                Width="30"
+                Height="30"
+                Margin="8,0"
+                Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
+                <materialDesign:PackIcon VerticalAlignment="Center" Kind="LightningBolt" />
+            </Button>
+
+            <TextBlock
+                Margin="8,0"
                 VerticalAlignment="Center"
-                ClipToBounds="True"
-                Style="{StaticResource MaterialDesignToolBar}">
-                <Button x:Name="menuProxiesReload">
-                    <StackPanel Orientation="Horizontal">
-                        <materialDesign:PackIcon
-                            Margin="0,0,8,0"
-                            VerticalAlignment="Center"
-                            Kind="Reload" />
-                        <TextBlock Style="{StaticResource ToolbarTextBlock}" Text="{x:Static resx:ResUI.menuProxiesReload}" />
-                    </StackPanel>
-                </Button>
-                <Separator />
-                <Button x:Name="menuProxiesDelaytest">
-                    <StackPanel Orientation="Horizontal">
-                        <materialDesign:PackIcon
-                            Margin="0,0,8,0"
-                            VerticalAlignment="Center"
-                            Kind="LightningBolt" />
-                        <TextBlock Style="{StaticResource ToolbarTextBlock}" Text="{x:Static resx:ResUI.menuProxiesDelaytest}" />
-                    </StackPanel>
-                </Button>
-                <Separator />
-                <TextBlock
-                    VerticalAlignment="Center"
-                    Style="{StaticResource ToolbarTextBlock}"
-                    Text="{x:Static resx:ResUI.menuRulemode}" />
-                <ComboBox
-                    x:Name="cmbRulemode"
-                    Width="80"
-                    Margin="8"
-                    Style="{StaticResource DefComboBox}">
-                    <ComboBoxItem Content="{x:Static resx:ResUI.menuModeRule}" />
-                    <ComboBoxItem Content="{x:Static resx:ResUI.menuModeGlobal}" />
-                    <ComboBoxItem Content="{x:Static resx:ResUI.menuModeDirect}" />
-                    <ComboBoxItem Content="{x:Static resx:ResUI.menuModeNothing}" />
-                </ComboBox>
-                <Separator />
-                <TextBlock
-                    VerticalAlignment="Center"
-                    Style="{StaticResource ToolbarTextBlock}"
-                    Text="{x:Static resx:ResUI.TbSorting}" />
-                <ComboBox
-                    x:Name="cmbSorting"
-                    Width="60"
-                    Margin="8"
-                    Style="{StaticResource DefComboBox}">
-                    <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDelay}" />
-                    <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingName}" />
-                    <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDefault}" />
-                </ComboBox>
-                <Separator />
-                <TextBlock
-                    VerticalAlignment="Center"
-                    Style="{StaticResource ToolbarTextBlock}"
-                    Text="{x:Static resx:ResUI.TbAutoRefresh}" />
-                <ToggleButton
-                    x:Name="togAutoRefresh"
-                    Margin="8"
-                    HorizontalAlignment="Left" />
-            </ToolBar>
-        </ToolBarTray>
+                Style="{StaticResource ToolbarTextBlock}"
+                Text="{x:Static resx:ResUI.menuRulemode}" />
+            <ComboBox
+                x:Name="cmbRulemode"
+                Width="80"
+                Margin="8"
+                Style="{StaticResource DefComboBox}">
+                <ComboBoxItem Content="{x:Static resx:ResUI.menuModeRule}" />
+                <ComboBoxItem Content="{x:Static resx:ResUI.menuModeGlobal}" />
+                <ComboBoxItem Content="{x:Static resx:ResUI.menuModeDirect}" />
+                <ComboBoxItem Content="{x:Static resx:ResUI.menuModeNothing}" />
+            </ComboBox>
+
+            <TextBlock
+                Margin="8,0"
+                VerticalAlignment="Center"
+                Style="{StaticResource ToolbarTextBlock}"
+                Text="{x:Static resx:ResUI.TbSorting}" />
+            <ComboBox
+                x:Name="cmbSorting"
+                Width="60"
+                Margin="8"
+                Style="{StaticResource DefComboBox}">
+                <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDelay}" />
+                <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingName}" />
+                <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDefault}" />
+            </ComboBox>
+
+            <TextBlock
+                Margin="8,0"
+                VerticalAlignment="Center"
+                Style="{StaticResource ToolbarTextBlock}"
+                Text="{x:Static resx:ResUI.TbAutoRefresh}" />
+            <ToggleButton
+                x:Name="togAutoRefresh"
+                Margin="8"
+                HorizontalAlignment="Left" />
+        </WrapPanel>
         <DockPanel>
             <ListView
                 x:Name="lstProxyGroups"
@@ -150,7 +149,7 @@
                 </ListView.ItemsPanel>
                 <ListView.ItemTemplate>
                     <DataTemplate>
-                        <Border Width="200" Padding="0">
+                        <Border Width="160" Padding="0">
                             <DockPanel>
                                 <Border
                                     Width="5"
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 60ad831f..50264a5b 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -326,8 +326,7 @@
                                         x:Name="togDarkMode"
                                         Grid.Row="0"
                                         Grid.Column="1"
-                                        Margin="8"
-                                        IsEnabled="{Binding ElementName=followSystemTheme, Path=IsChecked, Converter={StaticResource InverseBooleanConverter}}" />
+                                        Margin="8" />
 
                                     <TextBlock
                                         Grid.Row="1"
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index 98b3ea1b..3e4bee3b 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -2,7 +2,6 @@
 using Splat;
 using System.ComponentModel;
 using System.Reactive.Disposables;
-using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
@@ -141,9 +140,6 @@ namespace v2rayN.Views
                 this.OneWayBind(ViewModel, vm => vm.ShowClashUI, v => v.tabClashUI.Visibility).DisposeWith(disposables);
             });
 
-            RestoreUI();
-            AddHelpMenuItem();
-
             var IsAdministrator = Utils.IsAdministrator();
             this.Title = $"{Utils.GetVersion()} - {(IsAdministrator ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
 
@@ -152,36 +148,14 @@ namespace v2rayN.Views
                 RenderOptions.ProcessRenderMode = RenderMode.SoftwareOnly;
             }
 
-            var helper = new WindowInteropHelper(this);
-            var hwndSource = HwndSource.FromHwnd(helper.EnsureHandle());
-            hwndSource.AddHook((IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) =>
-            {
-                if (_config.uiItem.followSystemTheme)
-                {
-                    const int WM_SETTINGCHANGE = 0x001A;
-                    if (msg == WM_SETTINGCHANGE)
-                    {
-                        if (wParam == IntPtr.Zero && Marshal.PtrToStringUni(lParam) == "ImmersiveColorSet")
-                        {
-                            ViewModel?.ModifyTheme(!Utils.IsLightTheme());
-                        }
-                    }
-                }
+            MainFormHandler.Instance.RegisterSystemColorSet(_config, this, (bool bl) => { ViewModel?.ModifyTheme(bl); });
 
-                return IntPtr.Zero;
-            });
-            if (tabProfiles.Content is null)
-            {
-                tabProfiles.Content = new ProfilesView();
-            }
-            if (tabMsgView.Content is null)
-            {
-                tabMsgView.Content = new MsgView();
-            }
-            if (tabClashUI.Content is null)
-            {
-                tabClashUI.Content = new ClashProxiesView();
-            }
+            tabProfiles.Content ??= new ProfilesView();
+            tabMsgView.Content ??= new MsgView();
+            tabClashUI.Content ??= new ClashProxiesView();
+
+            RestoreUI();
+            AddHelpMenuItem();
         }
 
         #region Event
diff --git a/v2rayN/v2rayN/Views/MsgView.xaml b/v2rayN/v2rayN/Views/MsgView.xaml
index 9e61d419..51e7f25a 100644
--- a/v2rayN/v2rayN/Views/MsgView.xaml
+++ b/v2rayN/v2rayN/Views/MsgView.xaml
@@ -10,15 +10,12 @@
     d:DesignWidth="800"
     mc:Ignorable="d">
     <DockPanel Margin="2">
-        <StackPanel
+        <WrapPanel
+            Margin="8"
             VerticalAlignment="Center"
             DockPanel.Dock="Top"
             Orientation="Horizontal">
-            <TextBlock
-                Margin="8,0"
-                VerticalAlignment="Center"
-                Style="{StaticResource ToolbarTextBlock}"
-                Text="{x:Static resx:ResUI.MsgInformationTitle}" />
+
             <ComboBox
                 x:Name="cmbMsgFilter"
                 Width="200"
@@ -28,6 +25,24 @@
                 IsEditable="True"
                 Style="{StaticResource DefComboBox}"
                 TextBoxBase.TextChanged="cmbMsgFilter_TextChanged" />
+            <Button
+                x:Name="btnCopy"
+                Width="30"
+                Height="30"
+                Margin="8,0"
+                Click="menuMsgViewCopyAll_Click"
+                Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
+                <materialDesign:PackIcon VerticalAlignment="Center" Kind="ContentCopy" />
+            </Button>
+            <Button
+                x:Name="btnClear"
+                Width="30"
+                Height="30"
+                Margin="8,0"
+                Click="menuMsgViewClear_Click"
+                Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
+                <materialDesign:PackIcon VerticalAlignment="Center" Kind="Delete" />
+            </Button>
             <TextBlock
                 Margin="8,0"
                 VerticalAlignment="Center"
@@ -48,7 +63,7 @@
                 Margin="8,0"
                 HorizontalAlignment="Left"
                 IsChecked="True" />
-        </StackPanel>
+        </WrapPanel>
         <TextBox
             Name="txtMsg"
             BorderThickness="0"