diff --git a/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml b/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
index aaeec2c5..a0fc3d57 100644
--- a/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
+++ b/v2rayN/v2rayN.Desktop/Assets/GlobalStyles.axaml
@@ -20,4 +20,7 @@
     <Style Selector="Grid.Margin8">
         <Setter Property="Margin" Value="8" />
     </Style>
-</Styles>
\ No newline at end of file
+    <Style Selector="DataGrid">
+        <Setter Property="RowHeight" Value="24" />
+    </Style>
+</Styles>
diff --git a/v2rayN/v2rayN.Desktop/ViewModels/ThemeSettingViewModel.cs b/v2rayN/v2rayN.Desktop/ViewModels/ThemeSettingViewModel.cs
index 6a680956..b2f134e1 100644
--- a/v2rayN/v2rayN.Desktop/ViewModels/ThemeSettingViewModel.cs
+++ b/v2rayN/v2rayN.Desktop/ViewModels/ThemeSettingViewModel.cs
@@ -119,6 +119,17 @@ namespace v2rayN.Desktop.ViewModels
                 Value = size,
             });
             Application.Current?.Styles.Add(style);
+
+            ModifyFontSizeEx(size);
+        }
+
+        private void ModifyFontSizeEx(double size)
+        {
+            //DataGrid
+            var rowHeight = 20 + (size / 2);
+            var style = new Style(x => x.OfType<DataGrid>());
+            style.Add(new Setter(DataGrid.RowHeightProperty, rowHeight));
+            Application.Current?.Styles.Add(style);
         }
 
         private void ModifyFontFamily()
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index 65cd3310..0bcfc214 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -787,6 +787,7 @@
                         Classes="Margin8" />
 
                     <TextBlock
+                        x:Name="labLinuxSudoPassword"
                         Grid.Row="7"
                         Grid.Column="0"
                         VerticalAlignment="Center"
@@ -800,6 +801,7 @@
                         HorizontalAlignment="Left"
                         Classes="Margin8" />
                     <TextBlock
+                        x:Name="labLinuxSudoPasswordTip"
                         Grid.Row="7"
                         Grid.Column="2"
                         VerticalAlignment="Center"
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index 03f0ca59..ac1b4956 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -174,6 +174,9 @@ namespace v2rayN.Desktop.Views
             if (Utils.IsWindows())
             {
                 txbSettingsExceptionTip2.IsVisible = false;
+                txtLinuxSudoPassword.IsVisible = false;
+                labLinuxSudoPassword.IsVisible = false;
+                labLinuxSudoPasswordTip.IsVisible = false;
             }
             else
             {