diff --git a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
index ab6bc223..7aa6a0be 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml
@@ -400,7 +400,7 @@
                         Grid.Column="1"
                         Width="400"
                         Margin="{StaticResource Margin4}"
-                        Watermark="1000:2000,3000:4000" />
+                        Watermark="1000-2000,3000,4000" />
                     <TextBlock
                         Grid.Row="3"
                         Grid.Column="2"
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
index 9e372f68..8475b875 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml
@@ -176,6 +176,7 @@
                 <DataGrid
                     x:Name="lstRules"
                     AutoGenerateColumns="False"
+                    Background="Transparent"
                     BorderThickness="1"
                     CanUserResizeColumns="True"
                     GridLinesVisibility="All"
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
index 669c17ff..9a056f91 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml
@@ -92,6 +92,7 @@
                 <DataGrid
                     x:Name="lstRoutings"
                     AutoGenerateColumns="False"
+                    Background="Transparent"
                     BorderThickness="1"
                     CanUserResizeColumns="True"
                     GridLinesVisibility="All"
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml b/v2rayN/v2rayN/Views/AddServerWindow.xaml
index c50bd2e6..b293a115 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml
@@ -538,7 +538,7 @@
                         Width="400"
                         Margin="{StaticResource Margin4}"
                         HorizontalAlignment="Left"
-                        materialDesign:HintAssist.Hint="1000:2000,3000:4000"
+                        materialDesign:HintAssist.Hint="1000-2000,3000,4000"
                         Style="{StaticResource DefTextBox}" />
                     <TextBlock
                         Grid.Row="3"
diff --git a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
index 8b836a02..37bbce82 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
@@ -122,6 +122,8 @@ public partial class RoutingRuleSettingWindow
 
     private void RoutingRuleSettingWindow_PreviewKeyDown(object sender, KeyEventArgs e)
     {
+        if (!lstRules.IsKeyboardFocusWithin)
+            return;
         if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
         {
             if (e.Key == Key.A)