diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs
index 035baa12..f92dede8 100644
--- a/Netch/Controllers/MainController.cs
+++ b/Netch/Controllers/MainController.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Threading.Tasks;
 
 namespace Netch.Controllers
 {
@@ -62,19 +63,19 @@ namespace Netch.Controllers
         /// <param name="server">服务器</param>
         /// <param name="mode">模式</param>
         /// <returns>是否启动成功</returns>
-        public (bool, string) Start(Models.Server server, Models.Mode mode)
+        public bool Start(Models.Server server, Models.Mode mode)
         {
-            var result = (false, "");
+            var result = false;
             switch (server.Type)
             {
                 case "Socks5":
                     if (mode.Type == 4)
                     {
-                        result = (false, null);
+                        result = false;
                     }
                     else
                     {
-                        result = (true, null);
+                        result = true;
                     }
                     break;
                 case "SS":
@@ -83,7 +84,7 @@ namespace Netch.Controllers
                     {
                         pSSController = new SSController();
                     }
-                    result = (pSSController.Start(server, mode), null);
+                    result = pSSController.Start(server, mode);
                     break;
                 case "SSR":
                     KillProcess("ShadowsocksR");
@@ -91,7 +92,7 @@ namespace Netch.Controllers
                     {
                         pSSRController = new SSRController();
                     }
-                    result = (pSSRController.Start(server, mode), null);
+                    result = pSSRController.Start(server, mode);
                     break;
                 case "VMess":
                     KillProcess("v2ray");
@@ -99,11 +100,11 @@ namespace Netch.Controllers
                     {
                         pVMessController = new VMessController();
                     }
-                    result = (pVMessController.Start(server, mode), null);
+                    result = pVMessController.Start(server, mode);
                     break;
             }
 
-            if (result.Item1)
+            if (result)
             {
                 if (mode.Type == 0)
                 {
@@ -116,7 +117,13 @@ namespace Netch.Controllers
                         pNTTController = new NTTController();
                     }
                     // 进程代理模式，启动 NF 控制器
-                    result = (pNFController.Start(server, mode), pNTTController.Start().Item2);
+                    result = pNFController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
+
                 }
                 else if (mode.Type == 1)
                 {
@@ -129,7 +136,12 @@ namespace Netch.Controllers
                         pNTTController = new NTTController();
                     }
                     // TUN/TAP 黑名单代理模式，启动 TUN/TAP 控制器
-                    result = (pTUNTAPController.Start(server, mode), pNTTController.Start().Item2);
+                    result = pTUNTAPController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
                 }
                 else if (mode.Type == 2)
                 {
@@ -142,7 +154,12 @@ namespace Netch.Controllers
                         pNTTController = new NTTController();
                     }
                     // TUN/TAP 白名单代理模式，启动 TUN/TAP 控制器
-                    result = (pTUNTAPController.Start(server, mode), pNTTController.Start().Item2);
+                    result = pTUNTAPController.Start(server, mode);
+
+                    Task.Run(() =>
+                    {
+                        pNTTController.Start();
+                    });
                 }
                 else if (mode.Type == 3 || mode.Type == 5)
                 {
@@ -151,7 +168,7 @@ namespace Netch.Controllers
                         pHTTPController = new HTTPController();
                     }
                     // HTTP 系统代理和 Socks5 和 HTTP 代理模式，启动 HTTP 控制器
-                    result = (pHTTPController.Start(server, mode), null);
+                    result = pHTTPController.Start(server, mode);
                 }
                 else if (mode.Type == 4)
                 {
@@ -159,11 +176,11 @@ namespace Netch.Controllers
                 }
                 else
                 {
-                    result = (false, null);
+                    result = false;
                 }
             }
 
-            if (!result.Item1)
+            if (!result)
             {
                 Stop();
             }
diff --git a/Netch/Controllers/NTTController.cs b/Netch/Controllers/NTTController.cs
index 9ddc5ba8..090d0cfa 100644
--- a/Netch/Controllers/NTTController.cs
+++ b/Netch/Controllers/NTTController.cs
@@ -24,7 +24,7 @@ namespace Netch.Controllers
         /// <returns></returns>
         public (bool, string, string, string) Start()
         {
-            MainForm.Instance.StatusText($"{Utils.i18N.Translate("Status")}{Utils.i18N.Translate(": ")}{Utils.i18N.Translate("Starting NatTester")}");
+            MainForm.Instance.NatTypeStatusText($"{Utils.i18N.Translate("Starting NatTester")}");
             try
             {
                 if (!File.Exists("bin\\NTT.exe"))
@@ -50,6 +50,7 @@ namespace Netch.Controllers
                 var natType = result[0];
                 var localEnd = result[1];
                 var publicEnd = result[2];
+                MainForm.Instance.NatTypeStatusText(natType);
 
                 return (true, natType, localEnd, publicEnd);
             }
diff --git a/Netch/Forms/MainForm.cs b/Netch/Forms/MainForm.cs
index 5320a73e..85082411 100644
--- a/Netch/Forms/MainForm.cs
+++ b/Netch/Forms/MainForm.cs
@@ -794,17 +794,9 @@ namespace Netch.Forms
 
                     MainController = new MainController();
 
-                    var startResult = MainController.Start(server, mode);//item1是否启动成功，item2nat类型
-                    if (startResult.Item2 != null)
-                    {
-                        NatTypeStatusLabel.Text = "NatType:" + startResult.Item2;
-                    }
-                    else
-                    {
-                        NatTypeStatusLabel.Text = "";
-                    }
+                    var startResult = MainController.Start(server, mode);
 
-                    if (startResult.Item1)
+                    if (startResult)
                     {
                         // UsedBandwidthLabel.Visible = UploadSpeedLabel.Visible = DownloadSpeedLabel.Visible = true;
                         // MainController.pNFController.OnBandwidthUpdated += OnBandwidthUpdated;
@@ -1220,8 +1212,13 @@ namespace Netch.Forms
                 MessageBox.Show(Utils.i18N.Translate("Please select a server first"), Utils.i18N.Translate("Information"), MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
         }
-        public void StatusText(string text) {
+        public void StatusText(string text)
+        {
             StatusLabel.Text = text;
         }
+        public void NatTypeStatusText(string text)
+        {
+            NatTypeStatusLabel.Text = "NatType:" + text;
+        }
     }
 }