diff --git a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
index a960dbb6..39e170fc 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
+++ b/v2rayN/ServiceLib/Resx/ResUI.Designer.cs
@@ -3339,6 +3339,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 If enabled, use sing-box TUN; otherwise, use xray TUN. 的本地化字符串。
+        /// </summary>
+        public static string TbLegacyProtectTip {
+            get {
+                return ResourceManager.GetString("TbLegacyProtectTip", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Address (IPv4, IPv6) 的本地化字符串。
         /// </summary>
diff --git a/v2rayN/ServiceLib/Resx/ResUI.resx b/v2rayN/ServiceLib/Resx/ResUI.resx
index 685676f4..a2cdf20f 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.resx
@@ -1812,4 +1812,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbGeckoPacketSize" xml:space="preserve">
     <value>Gecko Packet Size (min/max)</value>
   </data>
+  <data name="TbLegacyProtectTip" xml:space="preserve">
+    <value>If enabled, use sing-box TUN; otherwise, use xray TUN.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
index b227a13d..98461818 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx
@@ -1809,4 +1809,7 @@
   <data name="TbGeckoPacketSize" xml:space="preserve">
     <value>Gecko 包大小 (最小/最大)</value>
   </data>
+  <data name="TbLegacyProtectTip" xml:space="preserve">
+    <value>启用则使用 sing-box TUN ,否则使用 xray TUN</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
index cce86dcc..3d3d582b 100644
--- a/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
+++ b/v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx
@@ -1794,4 +1794,7 @@
   <data name="TbEnabletDnsViaProxy" xml:space="preserve">
     <value>DNS 透過 Bridge</value>
   </data>
+  <data name="TbLegacyProtectTip" xml:space="preserve">
+    <value>啟用則使用 sing-box TUN ,否則使用 xray TUN</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
index dedb36ae..94d5a690 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml
@@ -1022,6 +1022,13 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
                             HorizontalAlignment="Left" />
+                        <TextBlock
+                            Grid.Row="8"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbLegacyProtectTip}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="9"
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
index 7a6b0256..3d7ffdb9 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
@@ -1285,6 +1285,14 @@
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
+                        <TextBlock
+                            Grid.Row="8"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbLegacyProtectTip}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="9"