diff --git a/Netch/Constants.cs b/Netch/Constants.cs
index 4e4e8754..1981cfdf 100644
--- a/Netch/Constants.cs
+++ b/Netch/Constants.cs
@@ -5,6 +5,12 @@
         public const string EOF = "\r\n";
         public const string UserACL = "data\\user.acl";
         public const string BuiltinACL = "bin\\default.acl";
-        public const string ParameterShow = "-show";
+
+        public static class Parameter
+        {
+            public const string Show = "-show";
+            public const string ForceUpdate = "-forceUpdate";
+            public const string Console = "-console";
+        }
     }
 }
\ No newline at end of file
diff --git a/Netch/Flags.cs b/Netch/Flags.cs
index 656d55b6..1b5a445a 100644
--- a/Netch/Flags.cs
+++ b/Netch/Flags.cs
@@ -10,5 +10,7 @@ namespace Netch
         private static readonly Lazy<bool> LazySupportFakeDns = new(() => new TUNTAPController().TestFakeDNS());
 
         public static bool SupportFakeDns => LazySupportFakeDns.Value;
+
+        public static bool AlwaysShowNewVersionFound { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Netch/Forms/MainForm.cs b/Netch/Forms/MainForm.cs
index d7ed7922..c7b973ca 100644
--- a/Netch/Forms/MainForm.cs
+++ b/Netch/Forms/MainForm.cs
@@ -1383,7 +1383,8 @@ namespace Netch.Forms
                 if (File.Exists(file))
                     File.Delete(file);
 
-            Stop();
+            if (IsWaiting())
+                await StopAsyncCore();
 
             Dispose();
             Environment.Exit(Environment.ExitCode);
@@ -1419,6 +1420,8 @@ namespace Netch.Forms
             {
                 UpdateChecker.NewVersionFound += OnUpdateCheckerOnNewVersionFound;
                 UpdateChecker.Check(Global.Settings.CheckBetaUpdate).Wait();
+                if (Flags.AlwaysShowNewVersionFound)
+                    OnUpdateCheckerOnNewVersionFound(null!, null!);
             }
             finally
             {
diff --git a/Netch/Netch.cs b/Netch/Netch.cs
index 1779db31..7fa88b78 100644
--- a/Netch/Netch.cs
+++ b/Netch/Netch.cs
@@ -24,10 +24,12 @@ namespace Netch
 #if DEBUG
             AttachConsole();
 #else
-            if (args.Contains("-console"))
+            if (args.Contains(Constants.Parameter.Console))
                 AttachConsole();
 #endif
 
+            if (args.Contains(Constants.Parameter.ForceUpdate))
+                Flags.AlwaysShowNewVersionFound = true;
 
             // 设置当前目录
             Directory.SetCurrentDirectory(Global.NetchDir);
@@ -48,7 +50,7 @@ namespace Netch
 
             if (!SingleInstance.IsFirstInstance)
             {
-                SingleInstance.PassArgumentsToFirstInstance(args.Append(Constants.ParameterShow));
+                SingleInstance.PassArgumentsToFirstInstance(args.Append(Constants.Parameter.Show));
                 Environment.Exit(0);
                 return;
             }
@@ -103,7 +105,7 @@ namespace Netch
 
         private static void SingleInstance_ArgumentsReceived(IEnumerable<string> args)
         {
-            if (args.Contains(Constants.ParameterShow))
+            if (args.Contains(Constants.Parameter.Show))
             {
                 Global.MainForm.ShowMainFormToolStripButton_Click(null!, null!);
             }