diff --git a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
index 11590e8821..2b8dd9251a 100644
--- a/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
+++ b/v2rayN/v2rayN/Views/ClashConnectionsView.xaml
@@ -1,11 +1,11 @@
 <reactiveui:ReactiveUserControl
     x:Class="v2rayN.Views.ClashConnectionsView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-    xmlns:reactiveui="http://reactiveui.net"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:v2rayN.Resx"
     xmlns:vms="clr-namespace:v2rayN.ViewModels"
     d:DesignHeight="450"
@@ -40,8 +40,8 @@
 
             <Button
                 x:Name="btnConnectionCloseAll"
-                Width="30"
-                Height="30"
+                Width="24"
+                Height="24"
                 Margin="8,0"
                 Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
                 <materialDesign:PackIcon VerticalAlignment="Center" Kind="Close" />
diff --git a/v2rayN/v2rayN/Views/ClashProxiesView.xaml b/v2rayN/v2rayN/Views/ClashProxiesView.xaml
index 36c0bc7af7..62d77bf900 100644
--- a/v2rayN/v2rayN/Views/ClashProxiesView.xaml
+++ b/v2rayN/v2rayN/Views/ClashProxiesView.xaml
@@ -1,12 +1,12 @@
 <reactiveui:ReactiveUserControl
     x:Class="v2rayN.Views.ClashProxiesView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-    xmlns:reactiveui="http://reactiveui.net"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:converters="clr-namespace:v2rayN.Converters"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:v2rayN.Resx"
     xmlns:vms="clr-namespace:v2rayN.ViewModels"
     d:DesignHeight="450"
@@ -58,8 +58,8 @@
 
             <Button
                 x:Name="menuProxiesReload"
-                Width="30"
-                Height="30"
+                Width="24"
+                Height="24"
                 Margin="8,0"
                 Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
                 <materialDesign:PackIcon VerticalAlignment="Center" Kind="Reload" />
@@ -67,8 +67,8 @@
 
             <Button
                 x:Name="menuProxiesDelaytest"
-                Width="30"
-                Height="30"
+                Width="24"
+                Height="24"
                 Margin="8,0"
                 Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
                 <materialDesign:PackIcon VerticalAlignment="Center" Kind="LightningBolt" />
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index abaee0ec37..e405ed374f 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -495,18 +495,122 @@
                         <TabControl
                             x:Name="tabMain1"
                             Grid.Row="2"
-                            HorizontalContentAlignment="Left">
-                            <TabItem x:Name="tabMsgView1" Header="{x:Static resx:ResUI.MsgInformationTitle}" />
-                            <TabItem x:Name="tabClashProxies1" Header="{x:Static resx:ResUI.TbProxies}" />
-                            <TabItem x:Name="tabClashConnections1" Header="{x:Static resx:ResUI.TbConnections}" />
+                            materialDesign:NavigationRailAssist.ShowSelectionBackground="True"
+                            Style="{StaticResource MaterialDesignNavigationRailTabControl}"
+                            TabStripPlacement="Left">
+                            <TabItem x:Name="tabMsgView1">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="MessageTextOutline" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.MsgInformationTitle}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
+                            <TabItem x:Name="tabClashProxies1">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="ArrowDecisionOutline" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.TbProxies}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
+                            <TabItem x:Name="tabClashConnections1">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="LanConnect" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.TbConnections}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
                         </TabControl>
                     </Grid>
                     <Grid x:Name="gridMain2" Visibility="Collapsed">
-                        <TabControl x:Name="tabMain2" HorizontalContentAlignment="Left">
-                            <TabItem x:Name="tabProfiles2" Header="{x:Static resx:ResUI.menuServers}" />
-                            <TabItem x:Name="tabMsgView2" Header="{x:Static resx:ResUI.MsgInformationTitle}" />
-                            <TabItem x:Name="tabClashProxies2" Header="{x:Static resx:ResUI.TbProxies}" />
-                            <TabItem x:Name="tabClashConnections2" Header="{x:Static resx:ResUI.TbConnections}" />
+                        <TabControl
+                            x:Name="tabMain2"
+                            materialDesign:NavigationRailAssist.ShowSelectionBackground="True"
+                            Style="{StaticResource MaterialDesignNavigationRailTabControl}"
+                            TabStripPlacement="Left">
+                            <TabItem x:Name="tabProfiles2">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="Server" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.menuServers}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
+                            <TabItem x:Name="tabMsgView2">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="MessageTextOutline" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.MsgInformationTitle}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
+                            <TabItem x:Name="tabClashProxies2">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="ArrowDecisionOutline" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.TbProxies}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
+                            <TabItem x:Name="tabClashConnections2">
+                                <TabItem.Header>
+                                    <StackPanel>
+                                        <materialDesign:PackIcon
+                                            Width="24"
+                                            Height="24"
+                                            HorizontalAlignment="Center"
+                                            Kind="LanConnect" />
+                                        <TextBlock
+                                            HorizontalAlignment="Center"
+                                            Style="{StaticResource ToolbarTextBlock}"
+                                            Text="{x:Static resx:ResUI.TbConnections}" />
+                                    </StackPanel>
+                                </TabItem.Header>
+                            </TabItem>
                         </TabControl>
                     </Grid>
                     <materialDesign:Snackbar x:Name="MainSnackbar" MessageQueue="{materialDesign:MessageQueue}" />
diff --git a/v2rayN/v2rayN/Views/MsgView.xaml b/v2rayN/v2rayN/Views/MsgView.xaml
index 51e7f25a3f..2f8cfd45cd 100644
--- a/v2rayN/v2rayN/Views/MsgView.xaml
+++ b/v2rayN/v2rayN/Views/MsgView.xaml
@@ -27,8 +27,8 @@
                 TextBoxBase.TextChanged="cmbMsgFilter_TextChanged" />
             <Button
                 x:Name="btnCopy"
-                Width="30"
-                Height="30"
+                Width="24"
+                Height="24"
                 Margin="8,0"
                 Click="menuMsgViewCopyAll_Click"
                 Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
@@ -36,8 +36,8 @@
             </Button>
             <Button
                 x:Name="btnClear"
-                Width="30"
-                Height="30"
+                Width="24"
+                Height="24"
                 Margin="8,0"
                 Click="menuMsgViewClear_Click"
                 Style="{StaticResource MaterialDesignFloatingActionMiniLightButton}">
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
index 378c8fd27f..a516181ae4 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
@@ -853,33 +853,31 @@
             <TabItem Header="{x:Static resx:ResUI.TbSettingsSystemproxy}">
                 <DockPanel Margin="{StaticResource SettingItemMargin}">
                     <StackPanel DockPanel.Dock="Bottom" Orientation="Vertical">
-                        <TextBlock
-                            Grid.Row="3"
-                            Grid.Column="0"
-                            Margin="{StaticResource SettingItemMargin}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSettingsNotProxyLocalAddress}" />
-                        <ToggleButton
-                            x:Name="tognotProxyLocalAddress"
-                            Grid.Row="3"
-                            Grid.Column="1"
-                            Margin="{StaticResource SettingItemMargin}"
-                            HorizontalAlignment="Left" />
-                        
-                        <TextBlock
-                            Grid.Row="4"
-                            Margin="{StaticResource SettingItemMargin}"
-                            VerticalAlignment="Center"
-                            Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSettingsAdvancedProtocol}" />
-                        <ComboBox
-                            x:Name="cmbsystemProxyAdvancedProtocol"
-                            Grid.Row="5"
-                            MinWidth="200"
-                            Margin="{StaticResource SettingItemMargin}"
-                            materialDesign:HintAssist.Hint="Protocol"
-                            Style="{StaticResource DefComboBox}" />
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsNotProxyLocalAddress}" />
+                            <ToggleButton
+                                x:Name="tognotProxyLocalAddress"
+                                Margin="{StaticResource SettingItemMargin}"
+                                HorizontalAlignment="Left" />
+                        </StackPanel>
+
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock
+                                Margin="{StaticResource SettingItemMargin}"
+                                VerticalAlignment="Center"
+                                Style="{StaticResource ToolbarTextBlock}"
+                                Text="{x:Static resx:ResUI.TbSettingsAdvancedProtocol}" />
+                            <ComboBox
+                                x:Name="cmbsystemProxyAdvancedProtocol"
+                                MinWidth="400"
+                                Margin="{StaticResource SettingItemMargin}"
+                                materialDesign:HintAssist.Hint="Protocol"
+                                Style="{StaticResource DefComboBox}" />
+                        </StackPanel>
                     </StackPanel>
 
                     <TextBlock