diff --git a/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml b/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
index b557ebd8..cdfff108 100644
--- a/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
+++ b/v2rayN/v2rayN.Desktop/Assets/GlobalResources.axaml
@@ -10,4 +10,11 @@
 
     <x:Double x:Key="IconButtonWidth">32</x:Double>
     <x:Double x:Key="IconButtonHeight">32</x:Double>
+
+    <Thickness x:Key="Margin2">2</Thickness>
+    <Thickness x:Key="MarginLr4">4,0</Thickness>
+    <Thickness x:Key="Margin4">4</Thickness>
+    <Thickness x:Key="MarginLr8">8,0</Thickness>
+    <Thickness x:Key="MarginTb8">0,8</Thickness>
+    <Thickness x:Key="Margin8">8</Thickness>
 </ResourceDictionary>
diff --git a/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml b/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
index e189ee2a..f098c097 100644
--- a/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
+++ b/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
@@ -5,21 +5,6 @@
         </Border>
     </Design.PreviewWith>
 
-    <Style Selector="TextBlock.Margin8">
-        <Setter Property="Margin" Value="8" />
-    </Style>
-    <Style Selector="StackPanel.Margin8">
-        <Setter Property="Margin" Value="8" />
-    </Style>
-    <Style Selector="DockPanel.Margin8">
-        <Setter Property="Margin" Value="8" />
-    </Style>
-    <Style Selector="WrapPanel.Margin8">
-        <Setter Property="Margin" Value="8" />
-    </Style>
-    <Style Selector="Grid.Margin8">
-        <Setter Property="Margin" Value="8" />
-    </Style>
     <Style Selector="DataGrid">
         <Setter Property="RowHeight" Value="24" />
     </Style>
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml b/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml
index 132c6298..a94aedf1 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.AddServer2Window"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -13,10 +13,10 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
             HorizontalAlignment="Center"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -28,7 +28,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -39,14 +39,14 @@
                 <TextBlock
                     Grid.Row="0"
                     Grid.Column="0"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.menuServers}" />
 
                 <TextBlock
                     Grid.Row="1"
                     Grid.Column="0"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbRemarks}" />
 
                 <TextBox
@@ -56,13 +56,13 @@
                     Width="400"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Center"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}" />
 
                 <TextBlock
                     Grid.Row="2"
                     Grid.Column="0"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbAddress}" />
                 <TextBox
                     x:Name="txtAddress"
@@ -71,7 +71,7 @@
                     Width="400"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     IsReadOnly="True" />
                 <StackPanel
                     Grid.Row="2"
@@ -80,11 +80,11 @@
                     Orientation="Horizontal">
                     <Button
                         x:Name="btnBrowse"
-                        Margin="2,0"
+                        Margin="{StaticResource MarginLr4}"
                         Content="{x:Static resx:ResUI.TbBrowse}" />
                     <Button
                         x:Name="btnEdit"
-                        Margin="2,0"
+                        Margin="{StaticResource MarginLr4}"
                         Content="{x:Static resx:ResUI.TbEdit}" />
                 </StackPanel>
 
@@ -92,7 +92,7 @@
                     Grid.Row="3"
                     Grid.Column="0"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbCoreType}" />
                 <ComboBox
                     x:Name="cmbCoreType"
@@ -100,27 +100,27 @@
                     Grid.Column="1"
                     Width="200"
                     HorizontalAlignment="Left"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     MaxDropDownHeight="1000" />
 
                 <TextBlock
                     Grid.Row="4"
                     Grid.Column="0"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbDisplayLog}" />
                 <StackPanel
                     Grid.Row="4"
                     Grid.Column="1"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Orientation="Horizontal">
                     <ToggleSwitch
                         x:Name="togDisplayLog"
                         HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <TextBlock
-                        Margin="8,0"
                         VerticalAlignment="Center"
+                        Margin="{StaticResource MarginLr8}"
                         Text="{x:Static resx:ResUI.TipDisplayLog}" />
                 </StackPanel>
 
@@ -128,7 +128,7 @@
                     Grid.Row="5"
                     Grid.Column="0"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbPreSocksPort}" />
                 <TextBox
                     x:Name="txtPreSocksPort"
@@ -136,12 +136,12 @@
                     Grid.Column="1"
                     Width="200"
                     HorizontalAlignment="Left"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}" />
                 <StackPanel
                     Grid.Row="6"
                     Grid.Column="1"
                     Grid.ColumnSpan="2"
-                    Classes="Margin8">
+                    Margin="{StaticResource Margin4}">
                     <TextBlock
                         Width="500"
                         VerticalAlignment="Center"
@@ -149,12 +149,12 @@
                         TextWrapping="Wrap" />
                     <TextBlock
                         Width="500"
-                        Margin="8,0"
                         VerticalAlignment="Center"
+                        Margin="{StaticResource MarginLr8}"
                         Text="{x:Static resx:ResUI.CustomServerTips}"
                         TextWrapping="Wrap" />
                 </StackPanel>
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
index e49d83ff..6bedd86f 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
@@ -13,10 +13,10 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
+            Margin="{StaticResource Margin4}"
             HorizontalAlignment="Center"
-            Classes="Margin8"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -28,7 +28,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -44,7 +44,7 @@
                     <TextBlock
                         Grid.Row="0"
                         Grid.Column="0"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuServers}" />
                     <StackPanel
                         Grid.Row="0"
@@ -53,52 +53,52 @@
                         <ComboBox
                             x:Name="cmbCoreType"
                             Width="100"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             ToolTip.Tip="{x:Static resx:ResUI.TbCoreType}" />
                     </StackPanel>
 
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbRemarks}" />
                     <TextBox
                         x:Name="txtRemarks"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbAddress}" />
                     <TextBox
                         x:Name="txtAddress"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPort}" />
                     <TextBox
                         x:Name="txtPort"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
                 </Grid>
 
-                <Separator Grid.Row="1" Margin="0,10" />
+                <Separator Grid.Row="1" Margin="{StaticResource MarginTb8}" />
 
                 <Grid
                     x:Name="gridVMess"
@@ -110,48 +110,48 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId}" />
                     <TextBox
                         x:Name="txtId"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <Button
                         x:Name="btnGUID"
                         Grid.Row="1"
                         Grid.Column="2"
-                        Margin="4,0"
+                        Margin="{StaticResource MarginLr4}"
                         Content="{x:Static resx:ResUI.TbGUID}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbAlterId}" />
                     <TextBox
                         x:Name="txtAlterId"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSecurity}" />
                     <ComboBox
                         x:Name="cmbSecurity"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridSs"
@@ -163,28 +163,28 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId3}" />
                     <TextBox
                         x:Name="txtId3"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSecurity3}" />
                     <ComboBox
                         x:Name="cmbSecurity3"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="300"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridSocks"
@@ -196,28 +196,28 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSecurity4}" />
                     <TextBox
                         x:Name="txtSecurity4"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId4}" />
                     <TextBox
                         x:Name="txtId4"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridVLESS"
@@ -229,48 +229,48 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId5}" />
                     <TextBox
                         x:Name="txtId5"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <Button
                         x:Name="btnGUID5"
                         Grid.Row="1"
                         Grid.Column="2"
-                        Margin="4,0"
+                        Margin="{StaticResource MarginLr4}"
                         Content="{x:Static resx:ResUI.TbGUID}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbFlow5}" />
                     <ComboBox
                         x:Name="cmbFlow5"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSecurity5}" />
                     <TextBox
                         x:Name="txtSecurity5"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
                 </Grid>
                 <Grid
                     x:Name="gridTrojan"
@@ -282,28 +282,28 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId3}" />
                     <TextBox
                         x:Name="txtId6"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbFlow5}" />
                     <ComboBox
                         x:Name="cmbFlow6"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridHysteria2"
@@ -315,28 +315,28 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId3}" />
                     <TextBox
                         x:Name="txtId7"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPath7}" />
                     <TextBox
                         x:Name="txtPath7"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridTuic"
@@ -348,41 +348,41 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId}" />
                     <TextBox
                         x:Name="txtId8"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbId3}" />
                     <TextBox
                         x:Name="txtSecurity8"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbHeaderType8}" />
                     <ComboBox
                         x:Name="cmbHeaderType8"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridWireguard"
@@ -394,75 +394,75 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPrivateKey}" />
                     <TextBox
                         x:Name="txtId9"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPublicKey}" />
                     <TextBox
                         x:Name="txtPublicKey9"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbReserved}" />
                     <TextBox
                         x:Name="txtPath9"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbLocalAddress}" />
                     <TextBox
                         x:Name="txtRequestHost9"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="5"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Mtu" />
                     <TextBox
                         x:Name="txtShortId9"
                         Grid.Row="5"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
                 </Grid>
 
                 <Separator
                     x:Name="sepa2"
                     Grid.Row="3"
-                    Margin="0,10" />
+                    Margin="{StaticResource MarginTb8}" />
 
                 <Grid
                     x:Name="gridTransport"
@@ -473,34 +473,34 @@
                     <TextBlock
                         Grid.Row="0"
                         Grid.ColumnSpan="2"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.GbTransport}" />
 
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbNetwork}" />
                     <ComboBox
                         x:Name="cmbNetwork"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TipNetwork}" />
 
                     <TextBlock
                         x:Name="labHeaderType"
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbHeaderType}" />
                     <StackPanel
                         Grid.Row="2"
@@ -510,33 +510,32 @@
                         <ComboBox
                             x:Name="cmbHeaderType"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <Button
                             x:Name="btnExtra"
                             Width="{StaticResource IconButtonWidth}"
                             Height="{StaticResource IconButtonHeight}"
-                            Margin="10,0"
+                            Margin="{StaticResource MarginLr8}"
                             Theme="{DynamicResource BorderlessButton}">
                             <Button.Content>
-                                <PathIcon
-                                    Data="{StaticResource building_more}"
-                                    Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                                <PathIcon Data="{StaticResource building_more}" Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
                             </Button.Content>
                             <Button.Flyout>
                                 <Flyout>
                                     <StackPanel>
                                         <TextBlock
+                                            Margin="{StaticResource Margin4}"
                                             VerticalAlignment="Center"
-                                            Classes="Margin8"
                                             Text="{x:Static resx:ResUI.TransportExtraTip}" />
                                         <TextBox
                                             x:Name="txtExtra"
                                             Width="400"
                                             MinHeight="100"
+                                            Margin="{StaticResource Margin4}"
                                             HorizontalAlignment="Stretch"
                                             VerticalAlignment="Center"
-                                            Classes="TextArea Margin8"
+                                            Classes="TextArea"
                                             MinLines="6"
                                             TextWrapping="Wrap" />
                                     </StackPanel>
@@ -548,52 +547,52 @@
                         x:Name="tipHeaderType"
                         Grid.Row="2"
                         Grid.Column="2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbHeaderType}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbRequestHost}" />
                     <TextBox
                         x:Name="txtRequestHost"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <TextBlock
                         x:Name="tipRequestHost"
                         Grid.Row="3"
                         Grid.Column="2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbRequestHost}" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPath}" />
                     <TextBox
                         x:Name="txtPath"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="400"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                     <TextBlock
                         x:Name="tipPath"
                         Grid.Row="4"
                         Grid.Column="2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPath}" />
                 </Grid>
 
-                <Separator Grid.Row="5" Margin="0,10" />
+                <Separator Grid.Row="5" Margin="{StaticResource MarginTb8}" />
 
                 <Grid
                     x:Name="gridTls"
@@ -604,15 +603,15 @@
                     <TextBlock
                         Grid.Row="0"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbStreamSecurity}" />
                     <ComboBox
                         x:Name="cmbStreamSecurity"
                         Grid.Row="0"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridTlsMore"
@@ -624,55 +623,55 @@
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSNI}" />
                     <TextBox
                         x:Name="txtSNI"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="400"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbFingerprint}" />
                     <ComboBox
                         x:Name="cmbFingerprint"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbAlpn}" />
                     <ComboBox
                         x:Name="cmbAlpn"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbAllowInsecure}" />
                     <ComboBox
                         x:Name="cmbAllowInsecure"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
                 <Grid
                     x:Name="gridRealityMore"
@@ -684,73 +683,73 @@
                     <TextBlock
                         Grid.Row="0"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSNI}" />
                     <TextBox
                         x:Name="txtSNI2"
                         Grid.Row="0"
                         Grid.Column="1"
                         Width="400"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbFingerprint}" />
                     <ComboBox
                         x:Name="cmbFingerprint2"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbPublicKey}" />
                     <TextBox
                         x:Name="txtPublicKey"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="400"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbShortId}" />
                     <TextBox
                         x:Name="txtShortId"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSpiderX}" />
                     <TextBox
                         x:Name="txtSpiderX"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="400"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
                 </Grid>
-                <Separator Grid.Row="8" Margin="0,10" />
+                <Separator Grid.Row="8" Margin="{StaticResource MarginTb8}" />
             </Grid>
         </ScrollViewer>
     </DockPanel>
diff --git a/v2rayN/v2rayN.Desktop/Views/BackupAndRestoreView.axaml b/v2rayN/v2rayN.Desktop/Views/BackupAndRestoreView.axaml
index 18e00ab3..7130c400 100644
--- a/v2rayN/v2rayN.Desktop/Views/BackupAndRestoreView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/BackupAndRestoreView.axaml
@@ -14,84 +14,84 @@
         </Style>
     </UserControl.Styles>
 
-    <DockPanel Classes="Margin8">
-        <StackPanel Classes="Margin8" DockPanel.Dock="Bottom">
+    <DockPanel Margin="{StaticResource Margin8}">
+        <StackPanel Margin="{StaticResource Margin4}" DockPanel.Dock="Bottom">
             <TextBlock
                 Name="txtMsg"
                 HorizontalAlignment="Left"
-                Classes="Margin8" />
+                Margin="{StaticResource Margin4}" />
         </StackPanel>
 
         <StackPanel>
             <Border
-                Margin="4"
+                Margin="{StaticResource Margin4}"
                 VerticalAlignment="Center"
                 Theme="{DynamicResource CardBorder}">
 
                 <Grid
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     ColumnDefinitions="300,200"
                     RowDefinitions="Auto,Auto,Auto,Auto">
                     <TextBlock
                         Grid.Row="0"
                         Grid.Column="0"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuLocalBackupAndRestore}" />
 
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuLocalBackup}" />
                     <Button
                         Name="menuLocalBackup"
                         Grid.Row="1"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Content="{x:Static resx:ResUI.menuLocalBackup}" />
 
                     <Separator
                         Grid.Row="2"
                         Grid.Column="0"
                         Grid.ColumnSpan="2"
-                        Margin="0,8" />
+                        Margin="{StaticResource MarginTb8}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuLocalRestore}" />
                     <Button
                         Name="menuLocalRestore"
                         Grid.Row="3"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Content="{x:Static resx:ResUI.menuLocalRestore}" />
                 </Grid>
             </Border>
             <Border
-                Margin="4"
+                Margin="{StaticResource Margin4}"
                 VerticalAlignment="Center"
                 Theme="{DynamicResource CardBorder}">
                 <Grid
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     ColumnDefinitions="300,200"
                     RowDefinitions="Auto,Auto,Auto,Auto,Auto">
                     <StackPanel
                         Grid.Row="0"
                         Grid.Column="0"
                         Orientation="Horizontal">
-                        <TextBlock Classes="Margin8" Text="{x:Static resx:ResUI.menuRemoteBackupAndRestore}" />
+                        <TextBlock Margin="{StaticResource Margin4}" Text="{x:Static resx:ResUI.menuRemoteBackupAndRestore}" />
 
                         <Button
                             Width="{StaticResource IconButtonWidth}"
                             Height="{StaticResource IconButtonHeight}"
                             MinWidth="{StaticResource IconButtonWidth}"
-                            Margin="10,0"
+                            Margin="{StaticResource MarginLr8}"
                             Theme="{DynamicResource BorderlessButton}">
                             <Button.Content>
                                 <PathIcon Data="{StaticResource building_more}" Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
@@ -104,7 +104,7 @@
                                                 Grid.Row="0"
                                                 Grid.Column="0"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 Text="{x:Static resx:ResUI.LvWebDavUrl}" />
 
                                             <TextBox
@@ -112,14 +112,14 @@
                                                 Grid.Row="0"
                                                 Grid.Column="1"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 TextWrapping="Wrap" />
 
                                             <TextBlock
                                                 Grid.Row="1"
                                                 Grid.Column="0"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 Text="{x:Static resx:ResUI.LvWebDavUserName}" />
 
                                             <TextBox
@@ -127,13 +127,13 @@
                                                 Grid.Row="1"
                                                 Grid.Column="1"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8" />
+                                                Margin="{StaticResource Margin4}" />
 
                                             <TextBlock
                                                 Grid.Row="2"
                                                 Grid.Column="0"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 Text="{x:Static resx:ResUI.LvWebDavPassword}" />
 
                                             <TextBox
@@ -141,13 +141,13 @@
                                                 Grid.Row="2"
                                                 Grid.Column="1"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8" />
+                                                Margin="{StaticResource Margin4}" />
 
                                             <TextBlock
                                                 Grid.Row="3"
                                                 Grid.Column="0"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 Text="{x:Static resx:ResUI.LvWebDavDirName}" />
 
                                             <TextBox
@@ -155,7 +155,7 @@
                                                 Grid.Row="3"
                                                 Grid.Column="1"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8" />
+                                                Margin="{StaticResource Margin4}" />
 
                                             <Button
                                                 x:Name="menuWebDavCheck"
@@ -163,7 +163,7 @@
                                                 Grid.Column="1"
                                                 HorizontalAlignment="Right"
                                                 VerticalAlignment="Center"
-                                                Classes="Margin8"
+                                                Margin="{StaticResource Margin4}"
                                                 Content="{x:Static resx:ResUI.LvWebDavCheck}" />
                                         </Grid>
                                     </StackPanel>
@@ -177,33 +177,33 @@
                         Grid.Row="1"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuRemoteBackup}" />
                     <Button
                         Name="menuRemoteBackup"
                         Grid.Row="1"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Content="{x:Static resx:ResUI.menuRemoteBackup}" />
 
                     <Separator
                         Grid.Row="2"
                         Grid.Column="0"
                         Grid.ColumnSpan="2"
-                        Margin="0,8" />
+                        Margin="{StaticResource MarginTb8}" />
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.menuRemoteRestore}" />
                     <Button
                         Name="menuRemoteRestore"
                         Grid.Row="3"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Content="{x:Static resx:ResUI.menuRemoteRestore}" />
                 </Grid>
             </Border>
diff --git a/v2rayN/v2rayN.Desktop/Views/CheckUpdateView.axaml b/v2rayN/v2rayN.Desktop/Views/CheckUpdateView.axaml
index 462d6cc3..528dde66 100644
--- a/v2rayN/v2rayN.Desktop/Views/CheckUpdateView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/CheckUpdateView.axaml
@@ -11,38 +11,38 @@
     x:DataType="vms:CheckUpdateViewModel"
     mc:Ignorable="d">
 
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <Border
-            Margin="4"
+            Margin="{StaticResource Margin4}"
             VerticalAlignment="Center"
             DockPanel.Dock="Bottom"
             Theme="{DynamicResource CardBorder}">
 
             <StackPanel
+                Margin="{StaticResource Margin4}"
                 HorizontalAlignment="Center"
-                Classes="Margin8"
                 Orientation="Horizontal">
 
                 <TextBlock
+                    Margin="{StaticResource Margin4}"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.TbSettingsEnableCheckPreReleaseUpdate}" />
                 <ToggleSwitch
                     x:Name="togEnableCheckPreReleaseUpdate"
-                    HorizontalAlignment="Left"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}"
+                    HorizontalAlignment="Left" />
 
                 <Button
                     x:Name="btnCheckUpdate"
                     Width="100"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Content="{x:Static resx:ResUI.menuCheckUpdate}" />
             </StackPanel>
         </Border>
 
         <Border
-            Margin="4"
+            Margin="{StaticResource Margin4}"
             VerticalAlignment="Center"
             Theme="{DynamicResource CardBorder}">
 
@@ -63,7 +63,7 @@
                                 <ToggleSwitch
                                     x:Name="togAutoRefresh"
                                     Grid.Column="0"
-                                    Margin="8"
+                                    Margin="{StaticResource Margin4}"
                                     HorizontalAlignment="Left"
                                     VerticalAlignment="Center"
                                     IsChecked="{Binding IsSelected}" />
diff --git a/v2rayN/v2rayN.Desktop/Views/ClashConnectionsView.axaml b/v2rayN/v2rayN.Desktop/Views/ClashConnectionsView.axaml
index bf5093c4..eb174636 100644
--- a/v2rayN/v2rayN.Desktop/Views/ClashConnectionsView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/ClashConnectionsView.axaml
@@ -14,23 +14,23 @@
     <DockPanel Margin="2">
         <WrapPanel
             VerticalAlignment="Center"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Top"
             Orientation="Horizontal">
 
             <TextBox
                 x:Name="txtHostFilter"
                 Width="200"
-                Margin="8,0"
                 VerticalContentAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 Watermark="{x:Static resx:ResUI.ConnectionsHostFilterTitle}" />
 
             <Button
                 x:Name="btnConnectionCloseAll"
                 Width="{StaticResource IconButtonWidth}"
                 Height="{StaticResource IconButtonHeight}"
-                Margin="8,0"
                 Classes="Success"
+                Margin="{StaticResource MarginLr8}"
                 Theme="{DynamicResource BorderlessButton}"
                 ToolTip.Tip="{x:Static resx:ResUI.menuConnectionCloseAll}">
                 <Button.Content>
@@ -42,8 +42,8 @@
                 x:Name="btnAutofitColumnWidth"
                 Width="{StaticResource IconButtonWidth}"
                 Height="{StaticResource IconButtonHeight}"
-                Margin="8,0"
                 Classes="Success"
+                Margin="{StaticResource MarginLr8}"
                 Theme="{DynamicResource BorderlessButton}"
                 ToolTip.Tip="{x:Static resx:ResUI.menuProfileAutofitColumnWidth}">
                 <Button.Content>
@@ -52,13 +52,13 @@
             </Button>
 
             <TextBlock
-                Margin="8,0"
                 VerticalAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 Text="{x:Static resx:ResUI.TbAutoRefresh}" />
             <ToggleSwitch
                 x:Name="togAutoRefresh"
-                Margin="8,0"
-                HorizontalAlignment="Left" />
+                HorizontalAlignment="Left"
+                Margin="{StaticResource MarginLr8}" />
         </WrapPanel>
 
         <DataGrid
diff --git a/v2rayN/v2rayN.Desktop/Views/ClashProxiesView.axaml b/v2rayN/v2rayN.Desktop/Views/ClashProxiesView.axaml
index 1b8bc8ea..ab6a36f0 100644
--- a/v2rayN/v2rayN.Desktop/Views/ClashProxiesView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/ClashProxiesView.axaml
@@ -17,32 +17,32 @@
 
     <DockPanel Margin="2">
         <WrapPanel
+            Margin="{StaticResource Margin4}"
             VerticalAlignment="Center"
-            Classes="Margin8"
             DockPanel.Dock="Top"
             Orientation="Horizontal">
 
             <TextBlock
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalAlignment="Center"
                 Text="{x:Static resx:ResUI.menuRulemode}" />
             <ComboBox
                 x:Name="cmbRulemode"
                 Width="100"
-                Margin="8,0">
+                Margin="{StaticResource MarginLr8}">
                 <ComboBoxItem Content="{x:Static resx:ResUI.menuModeRule}" />
                 <ComboBoxItem Content="{x:Static resx:ResUI.menuModeGlobal}" />
                 <ComboBoxItem Content="{x:Static resx:ResUI.menuModeDirect}" />
             </ComboBox>
 
             <TextBlock
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalAlignment="Center"
                 Text="{x:Static resx:ResUI.TbSorting}" />
             <ComboBox
                 x:Name="cmbSorting"
                 Width="100"
-                Margin="8,0">
+                Margin="{StaticResource MarginLr8}">
                 <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDelay}" />
                 <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingName}" />
                 <ComboBoxItem Content="{x:Static resx:ResUI.TbSortingDefault}" />
@@ -52,7 +52,7 @@
                 x:Name="menuProxiesReload"
                 Width="{StaticResource IconButtonWidth}"
                 Height="{StaticResource IconButtonHeight}"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Classes="Success"
                 Theme="{DynamicResource BorderlessButton}"
                 ToolTip.Tip="{x:Static resx:ResUI.menuProxiesReload}">
@@ -65,7 +65,7 @@
                 x:Name="menuProxiesDelaytest"
                 Width="{StaticResource IconButtonWidth}"
                 Height="{StaticResource IconButtonHeight}"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Classes="Success"
                 Theme="{DynamicResource BorderlessButton}"
                 ToolTip.Tip="{x:Static resx:ResUI.menuProxiesDelaytest}">
@@ -75,12 +75,12 @@
             </Button>
 
             <TextBlock
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalAlignment="Center"
                 Text="{x:Static resx:ResUI.TbAutoRefresh}" />
             <ToggleSwitch
                 x:Name="togAutoRefresh"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 HorizontalAlignment="Left" />
         </WrapPanel>
         <DockPanel>
@@ -101,7 +101,7 @@
                             Margin="-8,-4"
                             Padding="0"
                             Theme="{StaticResource CardBorder}">
-                            <Grid Classes="Margin8" RowDefinitions="1*,8,1*">
+                            <Grid Margin="{StaticResource Margin4}" RowDefinitions="1*,8,1*">
                                 <DockPanel Grid.Row="0">
                                     <TextBlock DockPanel.Dock="Right" Text="{Binding Type}" />
                                     <TextBlock Text="{Binding Name}" />
@@ -143,7 +143,7 @@
                                     CornerRadius="4"
                                     DockPanel.Dock="Left"
                                     IsVisible="{Binding IsActive}" />
-                                <Grid Classes="Margin8" RowDefinitions="1*,8,1*">
+                                <Grid Margin="{StaticResource Margin4}" RowDefinitions="1*,8,1*">
                                     <TextBlock Grid.Row="0" Text="{Binding Name}" />
                                     <DockPanel Grid.Row="2">
                                         <TextBlock
diff --git a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
index 80eae9d9..96c72c47 100644
--- a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.DNSSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -13,10 +13,10 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
+            Margin="{StaticResource Margin4}"
             HorizontalAlignment="Center"
-            Classes="Margin8"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -28,7 +28,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -36,21 +36,21 @@
 
         <TabControl HorizontalContentAlignment="Left">
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCoreDns}">
-                <DockPanel Classes="Margin8">
+                <DockPanel Margin="{StaticResource Margin8}">
                     <StackPanel DockPanel.Dock="Top" Orientation="Horizontal">
                         <TextBlock
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsRemoteDNS}" />
 
-                        <TextBlock VerticalAlignment="Center" Classes="Margin8">
+                        <TextBlock Margin="{StaticResource Margin4}" VerticalAlignment="Center">
                             <HyperlinkButton Classes="WithIcon" Click="linkDnsObjectDoc_Click">
                                 <TextBlock Text="{x:Static resx:ResUI.TbDnsObjectDoc}" />
                             </HyperlinkButton>
                         </TextBlock>
                         <Button
                             x:Name="btnImportDefConfig4V2ray"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand" />
                     </StackPanel>
@@ -58,44 +58,45 @@
                     <WrapPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsUseSystemHosts}" />
                             <ToggleSwitch
                                 x:Name="togUseSystemHosts"
-                                HorizontalAlignment="Left"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}"
+                                HorizontalAlignment="Left" />
                         </StackPanel>
 
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Freedom}" />
                             <ComboBox
                                 x:Name="cmbdomainStrategy4Freedom"
                                 Width="150"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}" />
                         </StackPanel>
 
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
                             <ComboBox
                                 x:Name="cmbdomainDNSAddress"
                                 Width="150"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}" />
                         </StackPanel>
                     </WrapPanel>
 
-                    <Grid Classes="Margin8">
+                    <Grid Margin="{StaticResource Margin4}">
                         <TextBox
                             x:Name="txtnormalDNS"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Stretch"
                             BorderThickness="1"
-                            Classes="TextArea Margin8"
+                            Classes="TextArea"
                             TextWrapping="Wrap"
                             Watermark="HTTP/SOCKS" />
                     </Grid>
@@ -103,16 +104,16 @@
             </TabItem>
 
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCoreDnsSingbox}">
-                <DockPanel Classes="Margin8">
+                <DockPanel Margin="{StaticResource Margin8}">
                     <StackPanel DockPanel.Dock="Top" Orientation="Horizontal">
-                        <TextBlock VerticalAlignment="Center" Classes="Margin8">
+                        <TextBlock Margin="{StaticResource Margin4}" VerticalAlignment="Center">
                             <HyperlinkButton Classes="WithIcon" Click="linkDnsSingboxObjectDoc_Click">
                                 <TextBlock Text="{x:Static resx:ResUI.TbDnsSingboxObjectDoc}" />
                             </HyperlinkButton>
                         </TextBlock>
                         <Button
                             x:Name="btnImportDefConfig4Singbox"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             Content="{x:Static resx:ResUI.TbSettingDnsImportDefConfig}"
                             Cursor="Hand" />
                     </StackPanel>
@@ -120,28 +121,28 @@
                     <WrapPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainStrategy4Out}" />
                             <ComboBox
                                 x:Name="cmbdomainStrategy4Out"
                                 Width="150"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}" />
                         </StackPanel>
 
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsDomainDNSAddress}" />
                             <ComboBox
                                 x:Name="cmbdomainDNSAddress2"
                                 Width="150"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}" />
                         </StackPanel>
                     </WrapPanel>
 
-                    <Grid Classes="Margin8" ColumnDefinitions="*,10,*">
+                    <Grid Margin="{StaticResource Margin4}" ColumnDefinitions="*,10,*">
 
                         <TextBox
                             x:Name="txtnormalDNS2"
@@ -150,7 +151,8 @@
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Stretch"
                             BorderThickness="1"
-                            Classes="TextArea Margin8"
+                            Classes="TextArea"
+                            Margin="{StaticResource Margin4}"
                             TextWrapping="Wrap"
                             Watermark="HTTP/SOCKS" />
 
@@ -163,7 +165,8 @@
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Stretch"
                             BorderThickness="1"
-                            Classes="TextArea Margin8"
+                            Classes="TextArea"
+                            Margin="{StaticResource Margin4}"
                             TextWrapping="Wrap"
                             Watermark="{x:Static resx:ResUI.TbSettingsTunMode}" />
                     </Grid>
@@ -171,4 +174,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml
index 2856f58d..2dfdd0cc 100644
--- a/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.GlobalHotkeySettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -13,16 +13,16 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
             HorizontalAlignment="Center"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
                 x:Name="btnReset"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbReset}" />
             <Button
                 x:Name="btnSave"
@@ -33,7 +33,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -49,14 +49,14 @@
                     <TextBlock
                         Grid.Row="0"
                         Grid.Column="0"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbGlobalHotkeySetting}" />
 
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbDisplayGUI}" />
 
                     <TextBox
@@ -64,70 +64,70 @@
                         Grid.Row="1"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         IsReadOnly="True" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbClearSystemProxy}" />
                     <TextBox
                         x:Name="txtGlobalHotkey1"
                         Grid.Row="2"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         IsReadOnly="True" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbSetSystemProxy}" />
                     <TextBox
                         x:Name="txtGlobalHotkey2"
                         Grid.Row="3"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         IsReadOnly="True" />
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbNotChangeSystemProxy}" />
                     <TextBox
                         x:Name="txtGlobalHotkey3"
                         Grid.Row="4"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         IsReadOnly="True" />
                     <TextBlock
                         Grid.Row="5"
                         Grid.Column="0"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         Text="{x:Static resx:ResUI.TbSystemProxyPac}" />
                     <TextBox
                         x:Name="txtGlobalHotkey4"
                         Grid.Row="5"
                         Grid.Column="1"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         IsReadOnly="True" />
                 </Grid>
 
                 <TextBlock
                     Grid.Row="1"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbGlobalHotkeySettingTip}" />
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml
index 22823747..f5d1b947 100644
--- a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml
@@ -22,7 +22,7 @@
         CloseOnClickAway="True"
         DisableOpeningAnimation="True">
         <DockPanel>
-            <DockPanel Classes="Margin8" DockPanel.Dock="Top">
+            <DockPanel Margin="{StaticResource Margin8}" DockPanel.Dock="Top">
                 <ContentControl x:Name="conTheme" DockPanel.Dock="Right" />
                 <Menu Margin="0,1">
                     <MenuItem Padding="8,0">
diff --git a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
index 7d48e3df..66542d0e 100644
--- a/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/MsgView.axaml
@@ -11,14 +11,14 @@
     <DockPanel Margin="2">
         <WrapPanel
             VerticalAlignment="Center"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Top"
             Orientation="Horizontal">
 
             <TextBox
                 x:Name="cmbMsgFilter"
                 Width="200"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalContentAlignment="Center"
                 Watermark="{x:Static resx:ResUI.MsgFilterTitle}" />
 
@@ -26,7 +26,7 @@
                 x:Name="btnCopy"
                 Width="{StaticResource IconButtonWidth}"
                 Height="{StaticResource IconButtonHeight}"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Classes="Success"
                 Click="menuMsgViewCopyAll_Click"
                 Theme="{DynamicResource BorderlessButton}"
@@ -37,7 +37,7 @@
             </Button>
             <Button
                 x:Name="btnClear"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Classes="Success"
                 Click="menuMsgViewClear_Click"
                 Theme="{DynamicResource BorderlessButton}"
@@ -47,22 +47,22 @@
                 </Button.Content>
             </Button>
             <TextBlock
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalAlignment="Center"
                 Text="{x:Static resx:ResUI.TbAutoRefresh}" />
             <ToggleSwitch
                 x:Name="togAutoRefresh"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 HorizontalAlignment="Left"
                 IsChecked="True"
                 Theme="{DynamicResource SimpleToggleSwitch}" />
             <TextBlock
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 VerticalAlignment="Center"
                 Text="{x:Static resx:ResUI.TbAutoScrollToEnd}" />
             <ToggleSwitch
                 x:Name="togScrollToEnd"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 HorizontalAlignment="Left"
                 IsChecked="True"
                 Theme="{DynamicResource SimpleToggleSwitch}" />
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 5d5ec95e..47df97d2 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -14,10 +14,10 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
+            Margin="{StaticResource Margin4}"
             HorizontalAlignment="Center"
-            Classes="Margin8"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -29,7 +29,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -39,264 +39,264 @@
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCore}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         ColumnDefinitions="Auto,Auto,Auto"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
 
                         <TextBlock
                             Grid.Row="0"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSocksPort}" />
                         <TextBox
                             x:Name="txtlocalPort"
                             Grid.Row="0"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="0"
                             Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSocksPortTip}"
                             TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="2"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSecondLocalPortEnabled}" />
                         <ToggleSwitch
                             x:Name="togSecondLocalPortEnabled"
                             Grid.Row="2"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsUdpEnabled}" />
                         <ToggleSwitch
                             x:Name="togudpEnabled"
                             Grid.Row="3"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSniffingEnabled}" />
                         <ToggleSwitch
                             x:Name="togsniffingEnabled"
                             Grid.Row="4"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="5"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDestOverride}" />
                         <ListBox
                             x:Name="clbdestOverride"
                             Grid.Row="5"
                             Grid.Column="1"
                             Grid.ColumnSpan="2"
+                            Margin="{StaticResource Margin4}"
                             HorizontalAlignment="Left"
-                            Classes="Margin8"
                             SelectionMode="Multiple,Toggle"
                             Theme="{DynamicResource CardCheckGroupListBox}" />
 
                         <TextBlock
                             Grid.Row="6"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsRouteOnly}" />
                         <ToggleSwitch
                             x:Name="togrouteOnly"
                             Grid.Row="6"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="7"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsAllowLAN}" />
                         <ToggleSwitch
                             x:Name="togAllowLANConn"
                             Grid.Row="7"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="8"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsNewPort4LAN}" />
                         <ToggleSwitch
                             x:Name="togNewPort4LAN"
                             Grid.Row="8"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="9"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsUser}" />
                         <TextBox
                             x:Name="txtuser"
                             Grid.Row="9"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="10"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsPass}" />
                         <TextBox
                             x:Name="txtpass"
                             Grid.Row="10"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="11"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsMuxEnabled}" />
                         <ToggleSwitch
                             x:Name="togmuxEnabled"
                             Grid.Row="11"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="12"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsLogEnabledToFile}" />
                         <ToggleSwitch
                             x:Name="toglogEnabled"
                             Grid.Row="12"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="13"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsLogLevel}" />
                         <ComboBox
                             x:Name="cmbloglevel"
                             Grid.Row="13"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="14"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDefAllowInsecure}" />
                         <ToggleSwitch
                             x:Name="togdefAllowInsecure"
                             Grid.Row="14"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="15"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDefFingerprint}" />
                         <ComboBox
                             x:Name="cmbdefFingerprint"
                             Grid.Row="15"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="16"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDefUserAgent}" />
                         <ComboBox
                             x:Name="cmbdefUserAgent"
                             Grid.Row="16"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="16"
                             Grid.Column="3"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             Text="{x:Static resx:ResUI.TbSettingsDefUserAgentTips}" />
 
                         <TextBlock
                             Grid.Row="17"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsMux4SboxProtocol}" />
                         <ComboBox
                             x:Name="cmbmux4SboxProtocol"
                             Grid.Row="17"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="18"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsEnableCacheFile4Sbox}" />
                         <ToggleSwitch
                             x:Name="togenableCacheFile4Sbox"
                             Grid.Row="18"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="19"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsHysteriaBandwidth}" />
 
                         <StackPanel
@@ -307,31 +307,31 @@
                             <TextBox
                                 x:Name="txtUpMbps"
                                 Width="90"
-                                Classes="Margin8"
+                                Margin="{StaticResource Margin4}"
                                 Watermark="Up" />
                             <TextBox
                                 x:Name="txtDownMbps"
                                 Width="90"
-                                Classes="Margin8"
+                                Margin="{StaticResource Margin4}"
                                 Watermark="Down" />
                         </StackPanel>
 
                         <TextBlock
                             Grid.Row="20"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsEnableFragment}" />
                         <ToggleSwitch
                             x:Name="togenableFragment"
                             Grid.Row="20"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
                         <TextBlock
                             Grid.Row="20"
                             Grid.Column="2"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             Text="{x:Static resx:ResUI.TbSettingsEnableFragmentTips}"
                             TextWrapping="Wrap" />
                     </Grid>
@@ -341,8 +341,7 @@
             <TabItem Header="{x:Static resx:ResUI.TbSettingsN}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
-                        Grid.Row="2"
-                        Classes="Margin8"
+                        Margin="{StaticResource Margin4}"
                         ColumnDefinitions="Auto,Auto,*"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
 
@@ -350,310 +349,310 @@
                             x:Name="tbAutoRun"
                             Grid.Row="1"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsStartBoot}" />
                         <ToggleSwitch
                             x:Name="togAutoRun"
                             Grid.Row="1"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
                         <!--
 						<TextBlock
                             Grid.Row="1"
                             Grid.Column="2"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
+                            Margin="{StaticResource Margin4}"
                             Text="{x:Static resx:ResUI.TbSettingsStartBootTip}"
                             TextWrapping="Wrap" />-->
                         <TextBlock
                             Grid.Row="2"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsStatistics}" />
                         <ToggleSwitch
                             x:Name="togEnableStatistics"
                             Grid.Row="2"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDisplayRealTimeSpeed}" />
                         <ToggleSwitch
                             x:Name="togDisplayRealTimeSpeed"
                             Grid.Row="3"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsKeepOlderDedupl}" />
                         <ToggleSwitch
                             x:Name="togKeepOlderDedupl"
                             Grid.Row="4"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="5"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsEnableAutoAdjustMainLvColWidth}" />
                         <ToggleSwitch
                             x:Name="togEnableAutoAdjustMainLvColWidth"
                             Grid.Row="5"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="6"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsEnableUpdateSubOnlyRemarksExist}" />
                         <ToggleSwitch
                             x:Name="togEnableUpdateSubOnlyRemarksExist"
                             Grid.Row="6"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="7"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsTLS13}" />
                         <ToggleSwitch
                             x:Name="togEnableSecurityProtocolTls13"
                             Grid.Row="7"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="8"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsAutoHideStartup}" />
                         <ToggleSwitch
                             x:Name="togAutoHideStartup"
                             Grid.Row="8"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             x:Name="labHide2TrayWhenClose"
                             Grid.Row="9"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsHide2TrayWhenClose}" />
                         <ToggleSwitch
                             x:Name="togHide2TrayWhenClose"
                             Grid.Row="9"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="11"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsDoubleClick2Activate}" />
                         <ToggleSwitch
                             x:Name="togDoubleClick2Activate"
                             Grid.Row="11"
                             Grid.Column="1"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="14"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsAutoUpdateInterval}" />
                         <TextBox
                             x:Name="txtautoUpdateInterval"
                             Grid.Row="14"
                             Grid.Column="1"
                             Width="200"
-                            HorizontalAlignment="Left"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
 
                         <TextBlock
                             Grid.Row="15"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsCurrentFontFamily}" />
                         <ctrls:AutoCompleteBox
                             x:Name="cmbcurrentFontFamily"
                             Grid.Row="15"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="15"
                             Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsCurrentFontFamilyLinuxTip}"
                             TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="16"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsMixedConcurrencyCount}" />
                         <ComboBox
                             x:Name="cmbMixedConcurrencyCount"
                             Grid.Row="16"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="17"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedTestTimeout}" />
                         <ComboBox
                             x:Name="cmbSpeedTestTimeout"
                             Grid.Row="17"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="18"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedTestUrl}" />
                         <ctrls:AutoCompleteBox
                             Name="cmbSpeedTestUrl"
                             Grid.Row="18"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="19"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSpeedPingTestUrl}" />
                         <ctrls:AutoCompleteBox
                             x:Name="cmbSpeedPingTestUrl"
                             Grid.Row="19"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="20"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSubConvert}" />
                         <ctrls:AutoCompleteBox
                             x:Name="cmbSubConvertUrl"
                             Grid.Row="20"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="21"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsMainGirdOrientation}" />
                         <ComboBox
                             x:Name="cmbMainGirdOrientation"
                             Grid.Row="21"
                             Grid.Column="1"
                             Width="200"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
 
                         <TextBlock
                             Grid.Row="22"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsGeoFilesSource}" />
                         <ComboBox
                             x:Name="cmbGetFilesSourceUrl"
                             Grid.Row="22"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="22"
                             Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsChinaUserTip}"
                             TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="23"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsSrsFilesSource}" />
                         <ComboBox
                             x:Name="cmbSrsFilesSourceUrl"
                             Grid.Row="23"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="23"
                             Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsChinaUserTip}"
                             TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="24"
                             Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsRoutingRulesSource}" />
                         <ComboBox
                             x:Name="cmbRoutingRulesSourceUrl"
                             Grid.Row="24"
                             Grid.Column="1"
                             Width="300"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}" />
                         <TextBlock
                             Grid.Row="24"
                             Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsChinaUserTip}"
                             TextWrapping="Wrap" />
                     </Grid>
@@ -661,58 +660,59 @@
             </TabItem>
 
             <TabItem Name="tabSystemproxy" Header="{x:Static resx:ResUI.TbSettingsSystemproxy}">
-                <DockPanel Classes="Margin8">
+                <DockPanel Margin="{StaticResource Margin8}">
                     <StackPanel
                         Name="panSystemProxyAdvanced"
                         DockPanel.Dock="Bottom"
                         Orientation="Vertical">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsNotProxyLocalAddress}" />
                             <ToggleSwitch
                                 x:Name="tognotProxyLocalAddress"
-                                HorizontalAlignment="Left"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}"
+                                HorizontalAlignment="Left" />
                         </StackPanel>
 
                         <StackPanel Orientation="Horizontal">
                             <TextBlock
+                                Margin="{StaticResource Margin4}"
                                 VerticalAlignment="Center"
-                                Classes="Margin8"
                                 Text="{x:Static resx:ResUI.TbSettingsAdvancedProtocol}" />
                             <ComboBox
                                 x:Name="cmbsystemProxyAdvancedProtocol"
                                 MinWidth="400"
-                                Classes="Margin8" />
+                                Margin="{StaticResource Margin4}" />
                         </StackPanel>
                     </StackPanel>
 
                     <TextBlock
                         Name="txbSettingsExceptionTip"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         DockPanel.Dock="Top"
                         Text="{x:Static resx:ResUI.TbSettingsExceptionTip}" />
                     <TextBlock
                         Name="txbSettingsExceptionTip2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         DockPanel.Dock="Top"
                         Text="{x:Static resx:ResUI.TbSettingsExceptionTip2}" />
                     <TextBox
                         x:Name="txtsystemProxyExceptions"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Stretch"
                         BorderThickness="1"
-                        Classes="TextArea Margin8"
+                        Classes="TextArea"
                         TextWrapping="Wrap" />
                 </DockPanel>
             </TabItem>
 
             <TabItem Header="{x:Static resx:ResUI.TbSettingsTunMode}">
                 <Grid
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     ColumnDefinitions="Auto,Auto,Auto"
                     DockPanel.Dock="Top"
                     RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
@@ -720,90 +720,90 @@
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Strict Route" />
                     <ToggleSwitch
                         x:Name="togStrictRoute"
                         Grid.Row="2"
                         Grid.Column="1"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Stack" />
                     <ComboBox
                         x:Name="cmbStack"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Mtu" />
                     <ComboBox
                         x:Name="cmbMtu"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="5"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSettingsEnableExInbound}" />
                     <ToggleSwitch
                         x:Name="togEnableExInbound"
                         Grid.Row="5"
                         Grid.Column="1"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         Grid.Row="6"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSettingsEnableIPv6Address}" />
                     <ToggleSwitch
                         x:Name="togEnableIPv6Address"
                         Grid.Row="6"
                         Grid.Column="1"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
 
                     <TextBlock
                         x:Name="labLinuxSudoPassword"
                         Grid.Row="7"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSettingsLinuxSudoPassword}" />
                     <TextBox
                         x:Name="txtLinuxSudoPassword"
                         Grid.Row="7"
                         Grid.Column="1"
                         Width="200"
-                        HorizontalAlignment="Left"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}"
+                        HorizontalAlignment="Left" />
                     <TextBlock
                         x:Name="labLinuxSudoPasswordTip"
                         Grid.Row="7"
                         Grid.Column="2"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.TbSettingsLinuxSudoPasswordTip}"
                         TextWrapping="Wrap" />
                 </Grid>
@@ -811,86 +811,86 @@
 
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCoreType}">
                 <Grid
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     ColumnDefinitions="Auto,Auto"
                     RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto">
                     <TextBlock
                         Grid.Row="1"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="VMess" />
                     <ComboBox
                         x:Name="cmbCoreType1"
                         Grid.Row="1"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="2"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Custom" />
                     <ComboBox
                         x:Name="cmbCoreType2"
                         Grid.Row="2"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Shadowsocks" />
                     <ComboBox
                         x:Name="cmbCoreType3"
                         Grid.Row="3"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="4"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Socks" />
                     <ComboBox
                         x:Name="cmbCoreType4"
                         Grid.Row="4"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="5"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="VLESS" />
                     <ComboBox
                         x:Name="cmbCoreType5"
                         Grid.Row="5"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
 
                     <TextBlock
                         Grid.Row="6"
                         Grid.Column="0"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="Trojan" />
                     <ComboBox
                         x:Name="cmbCoreType6"
                         Grid.Row="6"
                         Grid.Column="1"
                         Width="200"
-                        Classes="Margin8" />
+                        Margin="{StaticResource Margin4}" />
                 </Grid>
             </TabItem>
         </TabControl>
diff --git a/v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml b/v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml
index ae6bc2d8..0288a00e 100644
--- a/v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/ProfilesView.axaml
@@ -19,7 +19,7 @@
             <WrapPanel Margin="2" DockPanel.Dock="Top">
                 <ListBox
                     x:Name="lstGroup"
-                    Margin="4,0"
+                    Margin="{StaticResource MarginLr4}"
                     DisplayMemberBinding="{Binding Remarks}"
                     ItemsSource="{Binding SubItems}"
                     Theme="{DynamicResource PureCardRadioGroupListBox}">
@@ -34,7 +34,7 @@
                     x:Name="btnEditSub"
                     Width="{StaticResource IconButtonWidth}"
                     Height="{StaticResource IconButtonHeight}"
-                    Margin="4,0"
+                    Margin="{StaticResource MarginLr4}"
                     Classes="Success"
                     Theme="{DynamicResource BorderlessButton}"
                     ToolTip.Tip="{x:Static resx:ResUI.menuSubEdit}">
@@ -46,7 +46,7 @@
                     x:Name="btnAddSub"
                     Width="{StaticResource IconButtonWidth}"
                     Height="{StaticResource IconButtonHeight}"
-                    Margin="4,0"
+                    Margin="{StaticResource MarginLr4}"
                     Classes="Success"
                     Theme="{DynamicResource BorderlessButton}"
                     ToolTip.Tip="{x:Static resx:ResUI.menuSubAdd}">
@@ -59,7 +59,7 @@
                     x:Name="btnAutofitColumnWidth"
                     Width="{StaticResource IconButtonWidth}"
                     Height="{StaticResource IconButtonHeight}"
-                    Margin="4,0"
+                    Margin="{StaticResource MarginLr4}"
                     Classes="Success"
                     Theme="{DynamicResource BorderlessButton}"
                     ToolTip.Tip="{x:Static resx:ResUI.menuProfileAutofitColumnWidth}">
@@ -71,7 +71,7 @@
                 <TextBox
                     x:Name="txtServerFilter"
                     Width="200"
-                    Margin="4,0"
+                    Margin="{StaticResource MarginLr4}"
                     VerticalContentAlignment="Center"
                     Watermark="{x:Static resx:ResUI.MsgServerTitle}" />
             </WrapPanel>
@@ -157,9 +157,9 @@
                         </DataGridTemplateColumn.Header>
                         <DataGridTemplateColumn.CellTemplate>
                             <DataTemplate>
-                                <StackPanel Margin="8,0" Orientation="Horizontal">
+                                <StackPanel Margin="{StaticResource MarginLr8}" Orientation="Horizontal">
                                     <Label
-                                        Margin="0,0,8,0"
+                                        Margin="{StaticResource MarginLr4}"
                                         Classes="Solid Red"
                                         Content="{x:Static resx:ResUI.TipActiveServer}"
                                         IsVisible="{Binding IsActive}"
@@ -205,7 +205,7 @@
                         <DataGridTemplateColumn.CellTemplate>
                             <DataTemplate>
                                 <TextBlock
-                                    Margin="8,0"
+                                    Margin="{StaticResource MarginLr8}"
                                     HorizontalAlignment="Right"
                                     VerticalAlignment="Center"
                                     Foreground="{Binding Delay, Converter={StaticResource DelayColorConverter}}"
diff --git a/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml b/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
index d6a6f70f..984b0e4b 100644
--- a/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
@@ -1,4 +1,4 @@
-<UserControl
+<UserControl
     x:Class="v2rayN.Desktop.Views.QrcodeView"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -7,7 +7,7 @@
     d:DesignHeight="480"
     d:DesignWidth="400"
     mc:Ignorable="d">
-    <Grid Margin="30" RowDefinitions="Auto,Auto">
+    <Grid Margin="32" RowDefinitions="Auto,Auto">
         <Image
             Name="imgQrcode"
             Width="300"
@@ -17,10 +17,10 @@
             x:Name="txtContent"
             Grid.Row="1"
             Width="300"
-            Margin="0,8"
+            Margin="{StaticResource MarginTb8}"
             VerticalAlignment="Center"
             IsReadOnly="True"
             MaxLines="1" />
 
     </Grid>
-</UserControl>
\ No newline at end of file
+</UserControl>
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml b/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml
index fa515eb6..85ea58e8 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.RoutingRuleDetailsWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -15,7 +15,7 @@
     mc:Ignorable="d">
     <DockPanel>
         <Grid
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             ColumnDefinitions="Auto,Auto,Auto"
             DockPanel.Dock="Top"
             RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto">
@@ -23,7 +23,7 @@
                 Grid.Row="0"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.LvRemarks}" />
             <TextBox
                 x:Name="txtRemarks"
@@ -31,39 +31,39 @@
                 Grid.Column="1"
                 Width="200"
                 HorizontalAlignment="Left"
-                Classes="Margin8" />
+                Margin="{StaticResource Margin4}" />
             <ToggleSwitch
                 x:Name="togEnabled"
                 Grid.Row="0"
                 Grid.Column="2"
                 HorizontalAlignment="Left"
-                Classes="Margin8" />
+                Margin="{StaticResource Margin4}" />
 
             <TextBlock
                 Grid.Row="1"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="outboundTag" />
             <ComboBox
                 x:Name="cmbOutboundTag"
                 Grid.Row="1"
                 Grid.Column="1"
                 Width="200"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 MaxDropDownHeight="1000" />
             <TextBlock
                 Grid.Row="1"
                 Grid.Column="2"
                 HorizontalAlignment="Left"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.TbRuleMatchingTips}" />
 
             <TextBlock
                 Grid.Row="2"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="port" />
             <TextBox
                 x:Name="txtPort"
@@ -71,12 +71,12 @@
                 Grid.Column="1"
                 Width="200"
                 HorizontalAlignment="Left"
-                Classes="Margin8" />
+                Margin="{StaticResource Margin4}" />
             <TextBlock
                 Grid.Row="2"
                 Grid.Column="2"
                 VerticalAlignment="Center"
-                Classes="Margin8">
+                Margin="{StaticResource Margin4}">
                 <HyperlinkButton Classes="WithIcon" Click="linkRuleobjectDoc_Click">
                     <TextBlock Text="{x:Static resx:ResUI.TbRuleobjectDoc}" />
                 </HyperlinkButton>
@@ -86,14 +86,14 @@
                 Grid.Row="3"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="protocol" />
             <ListBox
                 x:Name="clbProtocol"
                 Grid.Row="3"
                 Grid.Column="1"
                 HorizontalAlignment="Left"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 SelectionMode="Multiple,Toggle"
                 Theme="{DynamicResource CardCheckGroupListBox}" />
 
@@ -101,20 +101,20 @@
                 Grid.Row="4"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="inboundTag" />
             <ListBox
                 x:Name="clbInboundTag"
                 Grid.Row="4"
                 Grid.Column="1"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 SelectionMode="Multiple,Toggle"
                 Theme="{DynamicResource CardCheckGroupListBox}" />
             <TextBlock
                 Grid.Row="4"
                 Grid.Column="2"
                 HorizontalAlignment="Left"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.TbRoutingInboundTagTips}" />
 
 
@@ -122,26 +122,26 @@
                 Grid.Row="5"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="network" />
             <ComboBox
                 x:Name="cmbNetwork"
                 Grid.Row="5"
                 Grid.Column="1"
                 Width="200"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 MaxDropDownHeight="1000" />
             <TextBlock
                 Grid.Row="5"
                 Grid.Column="2"
                 HorizontalAlignment="Left"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.TbRoutingTips}" />
         </Grid>
 
         <StackPanel
             HorizontalAlignment="Right"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <StackPanel
@@ -161,13 +161,13 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
         </StackPanel>
 
-        <Grid Classes="Margin8" ColumnDefinitions="1*,10,1*,10,1*">
+        <Grid Margin="{StaticResource Margin4}" ColumnDefinitions="1*,10,1*,10,1*">
             <HeaderedContentControl
                 Grid.Column="0"
                 BorderBrush="Gray"
@@ -208,4 +208,4 @@
             </HeaderedContentControl>
         </Grid>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
index 01b20b4b..e2abe9c0 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.RoutingRuleSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -15,7 +15,7 @@
     mc:Ignorable="d">
     <DockPanel>
         <StackPanel
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Top"
             Orientation="Horizontal">
             <Menu>
@@ -28,7 +28,7 @@
 
         <StackPanel
             HorizontalAlignment="Right"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -40,14 +40,14 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
         </StackPanel>
 
         <Grid
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             ColumnDefinitions="Auto,Auto,Auto"
             DockPanel.Dock="Top"
             RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto">
@@ -55,7 +55,7 @@
                 Grid.Row="0"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.LvRemarks}" />
             <StackPanel
                 Grid.Row="0"
@@ -69,25 +69,25 @@
                     Width="300"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     TextWrapping="Wrap" />
 
                 <TextBlock
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.LvSort}" />
                 <TextBox
                     x:Name="txtSort"
                     Width="100"
                     HorizontalAlignment="Left"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}" />
             </StackPanel>
 
             <TextBlock
                 Grid.Row="1"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.TbdomainStrategy}" />
             <StackPanel
                 Grid.Row="1"
@@ -96,22 +96,22 @@
                 <ComboBox
                     x:Name="cmbdomainStrategy"
                     Width="200"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}" />
                 <TextBlock
                     VerticalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.TbdomainStrategy4Singbox}" />
                 <ComboBox
                     x:Name="cmbdomainStrategy4Singbox"
                     Width="200"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}" />
             </StackPanel>
 
             <TextBlock
                 Grid.Row="2"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.LvUrl}" />
             <TextBox
                 x:Name="txtUrl"
@@ -120,7 +120,7 @@
                 Width="600"
                 HorizontalAlignment="Left"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 TextWrapping="Wrap" />
 
             <!--
@@ -128,7 +128,7 @@
                 Grid.Row="3"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Text="{x:Static resx:ResUI.LvCustomIcon}" />
             <TextBox
                 x:Name="txtCustomIcon"
@@ -137,13 +137,13 @@
                 Width="600"
                 HorizontalAlignment="Left"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 TextWrapping="Wrap" />
             <Button
                 x:Name="btnBrowseCustomIcon"
                 Grid.Row="3"
                 Grid.Column="2"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Content="{x:Static resx:ResUI.TbBrowse}" />
             -->
 
@@ -151,7 +151,7 @@
                 Grid.Row="4"
                 Grid.Column="0"
                 VerticalAlignment="Center"
-                Classes="Margin8">
+                Margin="{StaticResource Margin4}">
                 <HyperlinkButton Classes="WithIcon" Click="linkCustomRulesetPath4Singbox">
                     <TextBlock Text="{x:Static resx:ResUI.LvCustomRulesetPath4Singbox}" />
                 </HyperlinkButton>
@@ -163,13 +163,13 @@
                 Width="600"
                 HorizontalAlignment="Left"
                 VerticalAlignment="Center"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 TextWrapping="Wrap" />
             <Button
                 x:Name="btnBrowseCustomRulesetPath4Singbox"
                 Grid.Row="4"
                 Grid.Column="2"
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 Content="{x:Static resx:ResUI.TbBrowse}" />
         </Grid>
 
@@ -242,4 +242,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
index 2915a913..59b34a75 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.RoutingSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -16,7 +16,7 @@
 
     <DockPanel>
         <StackPanel
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Top"
             Orientation="Horizontal"
             Spacing="4">
@@ -45,7 +45,7 @@
 
         <StackPanel
             HorizontalAlignment="Right"
-            Classes="Margin8"
+            Margin="{StaticResource Margin4}"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <StackPanel
@@ -63,7 +63,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -123,4 +123,4 @@
             </TabControl>
         </DockPanel>
     </DockPanel>
-</Window>
\ No newline at end of file
+</Window>
diff --git a/v2rayN/v2rayN.Desktop/Views/StatusBarView.axaml b/v2rayN/v2rayN.Desktop/Views/StatusBarView.axaml
index c619a78f..755b20c2 100644
--- a/v2rayN/v2rayN.Desktop/Views/StatusBarView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/StatusBarView.axaml
@@ -11,10 +11,10 @@
     x:DataType="vms:StatusBarViewModel"
     mc:Ignorable="d">
     <Grid>
-        <DockPanel Margin="4">
+        <DockPanel Margin="{StaticResource Margin8}">
             <StackPanel
-                Margin="8,0"
                 VerticalAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 DockPanel.Dock="Right">
                 <TextBlock x:Name="txtSpeedProxyDisplay" HorizontalAlignment="Right" />
                 <Border Margin="1" />
@@ -22,8 +22,8 @@
             </StackPanel>
 
             <StackPanel
-                Margin="8,0"
                 VerticalAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 DockPanel.Dock="Left">
                 <TextBlock x:Name="txtInboundDisplay" />
                 <Border Margin="1" />
@@ -32,30 +32,30 @@
 
             <StackPanel
                 x:Name="spEnableTun"
-                Margin="8,0"
                 VerticalAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 DockPanel.Dock="Left"
                 Orientation="Horizontal">
                 <TextBlock
-                    Margin="8,0"
                     VerticalAlignment="Center"
+                    Margin="{StaticResource MarginLr8}"
                     Text="{x:Static resx:ResUI.TbEnableTunAs}" />
                 <ToggleSwitch
                     x:Name="togEnableTun"
                     HorizontalAlignment="Center"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Theme="{DynamicResource SimpleToggleSwitch}" />
             </StackPanel>
 
             <StackPanel
-                Margin="8,0"
                 VerticalAlignment="Center"
+                Margin="{StaticResource MarginLr8}"
                 DockPanel.Dock="Left"
                 Orientation="Horizontal">
                 <ComboBox
                     x:Name="cmbSystemProxy"
                     Width="160"
-                    Margin="8,0"
+                    Margin="{StaticResource MarginLr8}"
                     ToolTip.Tip="{x:Static resx:ResUI.menuSystemproxy}">
                     <ComboBoxItem Content="{x:Static resx:ResUI.menuSystemProxyClear}" />
                     <ComboBoxItem Content="{x:Static resx:ResUI.menuSystemProxySet}" />
@@ -66,13 +66,13 @@
                 <ComboBox
                     x:Name="cmbRoutings2"
                     Width="160"
-                    Margin="8,0"
+                    Margin="{StaticResource MarginLr8}"
                     DisplayMemberBinding="{Binding Remarks}"
                     ItemsSource="{Binding RoutingItems}"
                     ToolTip.Tip="{x:Static resx:ResUI.menuRouting}" />
             </StackPanel>
 
-            <StackPanel Margin="8,0" VerticalAlignment="Center">
+            <StackPanel VerticalAlignment="Center" Margin="{StaticResource MarginLr8}">
                 <TextBlock x:Name="txtRunningServerDisplay" />
                 <Border Margin="1" />
                 <TextBlock x:Name="txtRunningInfoDisplay" />
diff --git a/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml b/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml
index 56fac6e3..91a5f032 100644
--- a/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml
@@ -12,10 +12,10 @@
     ShowInTaskbar="False"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <DockPanel Classes="Margin8">
+    <DockPanel Margin="{StaticResource Margin8}">
         <StackPanel
+            Margin="{StaticResource Margin4}"
             HorizontalAlignment="Center"
-            Classes="Margin8"
             DockPanel.Dock="Bottom"
             Orientation="Horizontal">
             <Button
@@ -27,7 +27,7 @@
             <Button
                 x:Name="btnCancel"
                 Width="100"
-                Margin="8,0"
+                Margin="{StaticResource MarginLr8}"
                 Content="{x:Static resx:ResUI.TbCancel}"
                 Cursor="Hand"
                 IsCancel="True" />
@@ -39,36 +39,36 @@
                 <TextBlock
                     Grid.Row="0"
                     Grid.Column="0"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     Text="{x:Static resx:ResUI.menuSubscription}" />
 
                 <TextBlock
                     Grid.Row="1"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvRemarks}" />
 
                 <TextBox
                     x:Name="txtRemarks"
                     Grid.Row="1"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     TextWrapping="Wrap" />
 
                 <TextBlock
                     Grid.Row="2"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvUrl}" />
                 <TextBox
                     x:Name="txtUrl"
                     Grid.Row="2"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     TextWrapping="Wrap"
                     Watermark="{x:Static resx:ResUI.SubUrlTips}" />
                 <Button
@@ -76,7 +76,7 @@
                     Grid.Column="2"
                     Width="{StaticResource IconButtonWidth}"
                     Height="{StaticResource IconButtonHeight}"
-                    Margin="10,0"
+                    Margin="{StaticResource MarginLr8}"
                     Theme="{DynamicResource BorderlessButton}">
                     <Button.Content>
                         <PathIcon Data="{StaticResource building_more}" Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
@@ -85,16 +85,17 @@
                         <Flyout>
                             <StackPanel>
                                 <TextBlock
+                                    Margin="{StaticResource Margin4}"
                                     VerticalAlignment="Center"
-                                    Classes="Margin8"
                                     Text="{x:Static resx:ResUI.LvMoreUrl}" />
                                 <TextBox
                                     x:Name="txtMoreUrl"
                                     Width="400"
                                     MinHeight="100"
+                                    Margin="{StaticResource Margin4}"
                                     HorizontalAlignment="Stretch"
                                     VerticalAlignment="Center"
-                                    Classes="TextArea Margin8"
+                                    Classes="TextArea"
                                     MinLines="4"
                                     TextWrapping="Wrap"
                                     Watermark="{x:Static resx:ResUI.SubUrlTips}" />
@@ -106,150 +107,148 @@
                 <TextBlock
                     Grid.Row="3"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvEnabled}" />
 
                 <DockPanel
                     Grid.Row="3"
                     Grid.Column="1"
-                    Classes="Margin8">
+                    Margin="{StaticResource Margin4}">
                     <ToggleSwitch
                         x:Name="togEnable"
+                        Margin="{StaticResource Margin4}"
                         HorizontalAlignment="Center"
-                        Classes="Margin8"
                         DockPanel.Dock="Left" />
 
                     <TextBox
                         x:Name="txtAutoUpdateInterval"
                         Width="100"
+                        Margin="{StaticResource Margin4}"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         DockPanel.Dock="Right"
                         Watermark="{x:Static resx:ResUI.SubUrlTips}" />
 
                     <TextBlock
+                        Margin="{StaticResource Margin4}"
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
-                        Classes="Margin8"
                         Text="{x:Static resx:ResUI.LvAutoUpdateInterval}" />
                 </DockPanel>
 
                 <TextBlock
                     Grid.Row="5"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvFilter}" />
                 <TextBox
                     x:Name="txtFilter"
                     Grid.Row="5"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Watermark="{x:Static resx:ResUI.SubUrlTips}" />
 
                 <TextBlock
                     Grid.Row="6"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvConvertTarget}" />
                 <ComboBox
                     x:Name="cmbConvertTarget"
                     Grid.Row="6"
                     Grid.Column="1"
                     Width="200"
-                    Classes="Margin8"
+                    Margin="{StaticResource Margin4}"
                     ToolTip.Tip="{x:Static resx:ResUI.LvConvertTargetTip}" />
 
                 <TextBlock
                     Grid.Row="7"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvUserAgent}" />
                 <TextBox
                     x:Name="txtUserAgent"
                     Grid.Row="7"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     TextWrapping="Wrap"
                     Watermark="{x:Static resx:ResUI.SubUrlTips}" />
 
                 <TextBlock
                     Grid.Row="8"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvSort}" />
                 <TextBox
                     x:Name="txtSort"
                     Grid.Row="8"
                     Grid.Column="1"
                     Width="100"
-                    HorizontalAlignment="Left"
-                    Classes="Margin8" />
+                    Margin="{StaticResource Margin4}"
+                    HorizontalAlignment="Left" />
 
                 <TextBlock
                     Grid.Row="9"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvPrevProfile}" />
                 <TextBox
                     x:Name="txtPrevProfile"
                     Grid.Row="9"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Watermark="{x:Static resx:ResUI.LvPrevProfileTip}" />
 
                 <TextBlock
                     Grid.Row="10"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvNextProfile}" />
                 <TextBox
                     x:Name="txtNextProfile"
                     Grid.Row="10"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Watermark="{x:Static resx:ResUI.LvPrevProfileTip}" />
 
                 <TextBlock
                     Grid.Row="11"
                     Grid.Column="0"
-                    Margin="4"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.TbPreSocksPort4Sub}" />
                 <TextBox
                     x:Name="txtPreSocksPort"
                     Grid.Row="11"
                     Grid.Column="1"
                     Width="200"
-                    Margin="4"
+                    Margin="{StaticResource Margin4}"
                     HorizontalAlignment="Left"
-                    Classes="Margin8"
                     ToolTip.Tip="{x:Static resx:ResUI.TipPreSocksPort}"
                     Watermark="{x:Static resx:ResUI.TipPreSocksPort}" />
 
                 <TextBlock
                     Grid.Row="12"
                     Grid.Column="0"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     Text="{x:Static resx:ResUI.LvMemo}" />
                 <TextBox
                     x:Name="txtMemo"
                     Grid.Row="12"
                     Grid.Column="1"
+                    Margin="{StaticResource Margin4}"
                     VerticalAlignment="Center"
-                    Classes="Margin8"
                     TextWrapping="Wrap" />
 
             </Grid>
diff --git a/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml
index fce4d7b4..645cee6e 100644
--- a/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml
@@ -1,4 +1,4 @@
-<Window
+<Window
     x:Class="v2rayN.Desktop.Views.SubSettingWindow"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -19,9 +19,9 @@
         CloseOnClickAway="True"
         DisableOpeningAnimation="True"
         Identifier="dialogHostSub">
-        <DockPanel Classes="Margin8">
+        <DockPanel Margin="{StaticResource Margin8}">
             <StackPanel
-                Classes="Margin8"
+                Margin="{StaticResource Margin4}"
                 DockPanel.Dock="Top"
                 Orientation="Horizontal">
                 <Menu>
diff --git a/v2rayN/v2rayN.Desktop/Views/ThemeSettingView.axaml b/v2rayN/v2rayN.Desktop/Views/ThemeSettingView.axaml
index b310cf1d..a39a82a2 100644
--- a/v2rayN/v2rayN.Desktop/Views/ThemeSettingView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/ThemeSettingView.axaml
@@ -22,43 +22,43 @@
     <Button
         Width="{StaticResource IconButtonWidth}"
         Height="{StaticResource IconButtonHeight}"
-        Margin="10,0"
+        Margin="{StaticResource MarginLr8}"
         Theme="{DynamicResource BorderlessButton}">
         <Button.Content>
             <PathIcon Data="{StaticResource building_more}" Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
         </Button.Content>
         <Button.Flyout>
             <Flyout>
-                <StackPanel Margin="0,12">
+                <StackPanel Margin="{StaticResource MarginTb8}">
                     <StackPanel Orientation="Horizontal">
                         <TextBlock
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsTheme}" />
                         <ComboBox
                             x:Name="cmbCurrentTheme"
-                            HorizontalAlignment="Center"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Center" />
                     </StackPanel>
                     <StackPanel Orientation="Horizontal">
                         <TextBlock
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsFontSize}" />
                         <ComboBox
                             x:Name="cmbCurrentFontSize"
-                            HorizontalAlignment="Center"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Center" />
                     </StackPanel>
                     <StackPanel Orientation="Horizontal">
                         <TextBlock
+                            Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Classes="Margin8"
                             Text="{x:Static resx:ResUI.TbSettingsLanguage}" />
                         <ComboBox
                             x:Name="cmbCurrentLanguage"
-                            HorizontalAlignment="Center"
-                            Classes="Margin8" />
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Center" />
                     </StackPanel>
                 </StackPanel>
             </Flyout>