diff --git a/v2rayN/ServiceLib/Manager/CoreManager.cs b/v2rayN/ServiceLib/Manager/CoreManager.cs
index 724bf411..db382685 100644
--- a/v2rayN/ServiceLib/Manager/CoreManager.cs
+++ b/v2rayN/ServiceLib/Manager/CoreManager.cs
@@ -88,6 +88,12 @@ public class CoreManager
             await WindowsUtils.RemoveTunDevice();
         }
 
+        if (Utils.IsLinux() && !_config.TunModeItem.EnableTun)
+        {
+            await DeleteTUNRoutes();
+            await KillTUNProcess();
+        }
+
         await CoreStart(mainContext);
         await CoreStartPreService(preContext);
 
diff --git a/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs b/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
index b8154c16..c794d4ed 100644
--- a/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs
@@ -480,6 +480,10 @@ public class StatusBarViewModel : MyReactiveObject
                 await AppManager.Instance.RebootAsAdmin();
                 return;
             }
+            else if (Utils.IsLinux()) {
+                await CoreManager.StartTUNProcess();
+                await CoreManager.CreateTUNRoutes();
+            }
             else
             {
                 bool? passwordResult = await _updateView?.Invoke(EViewAction.PasswordInput, null);
@@ -502,7 +506,7 @@ public class StatusBarViewModel : MyReactiveObject
         }
         else if (Utils.IsLinux())
         {
-            return AppManager.Instance.LinuxSudoPwd.IsNotEmpty();
+            return false;
         }
         else if (Utils.IsMacOS())
         {