diff --git a/v2rayN/v2rayN/Sample/tun_singbox_rules b/v2rayN/v2rayN/Sample/tun_singbox_rules
index 528adb76..df1dc4ec 100644
--- a/v2rayN/v2rayN/Sample/tun_singbox_rules
+++ b/v2rayN/v2rayN/Sample/tun_singbox_rules
@@ -1,8 +1,4 @@
 [
-  {
-    "protocol": [ "dns" ],
-    "outbound": "dns_out"
-  },
   {
     "network": "udp",
     "port": [
@@ -20,12 +16,5 @@
       "ff00::/8"
     ],
     "outbound": "block"
-  },
-  {
-    "source_ip_cidr": [
-      "224.0.0.0/3",
-      "ff00::/8"
-    ],
-    "outbound": "block"
   }
 ]
\ No newline at end of file
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index eb622188..e1052645 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -1390,8 +1390,7 @@ namespace v2rayN.ViewModels
             {
                 Process.Start(startInfo);
                 MyAppExit(false);
-            }
-            catch { }
+            } catch { }
         }
 
         private void ImportOldGuiConfig()
@@ -1621,6 +1620,13 @@ namespace v2rayN.ViewModels
             if (_config.tunModeItem.enableTun != EnableTun)
             {
                 _config.tunModeItem.enableTun = EnableTun;
+                // 非管理员运行时tun模式开启逻辑修改
+                if (EnableTun && !Utils.IsAdministrator())
+                {
+                    RebootAsAdmin();
+                    _config.tunModeItem.enableTun = EnableTun = false;
+                    return;
+                }
                 Reload();
             }
         }
@@ -1839,7 +1845,7 @@ namespace v2rayN.ViewModels
             if (_config.uiItem.autoHideStartup)
             {
                 Observable.Range(1, 1)
-                 .Delay(TimeSpan.FromSeconds(2))
+                 .Delay(TimeSpan.FromSeconds(0.5))
                  .Subscribe(x =>
                  {
                      Application.Current.Dispatcher.Invoke(() =>
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index f1a51b0c..a363d8e6 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -212,8 +212,6 @@ namespace v2rayN.Views
             var IsAdministrator = Utils.IsAdministrator();
             this.Title = $"{Utils.GetVersion()} - {(IsAdministrator ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
 
-            spEnableTun.Visibility = IsAdministrator ? Visibility.Visible : Visibility.Collapsed;
-
             //if (_config.uiItem.autoHideStartup)
             //{
             //    WindowState = WindowState.Minimized;