diff --git a/Netch/Controllers/NTTController.cs b/Netch/Controllers/NTTController.cs
index 12e2485b..33ead8a7 100644
--- a/Netch/Controllers/NTTController.cs
+++ b/Netch/Controllers/NTTController.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using Netch.Utils;
 
@@ -7,10 +8,6 @@ namespace Netch.Controllers
 {
     public class NTTController : Guard, IController
     {
-        private string _localEnd;
-        private string _publicEnd;
-        private string _result;
-        private string _bindingTest;
         public override string Name { get; protected set; } = "NTT";
         public override string MainFile { get; protected set; } = "NTT.exe";
 
@@ -20,7 +17,10 @@ namespace Netch.Controllers
         /// <returns></returns>
         public (string, string, string) Start()
         {
-            _result = _localEnd = _publicEnd = null;
+            string localEnd=null;
+            string publicEnd=null;
+            string result =null;
+            string bindingTest=null;
 
             try
             {
@@ -28,12 +28,50 @@ namespace Netch.Controllers
                 Instance.OutputDataReceived += OnOutputDataReceived;
                 Instance.ErrorDataReceived += OnOutputDataReceived;
                 Instance.Start();
-                Instance.BeginOutputReadLine();
-                Instance.BeginErrorReadLine();
-                Instance.WaitForExit();
-                if (_bindingTest == "Fail")
-                    _result = "UdpBlocked";
-                return (_result, _localEnd, _publicEnd);
+                var output = Instance.StandardOutput.ReadToEnd();
+                try
+                {
+                    File.WriteAllText(Path.Combine(Global.NetchDir, $"logging\\{Name}.log"), output);
+                }
+                catch (Exception e)
+                {
+                    Logging.Warning($"写入 {Name} 日志错误：\n" + e.Message);
+                }
+
+                foreach (var line in output.Split('\n'))
+                {
+                    var str = line.Split(':').Select(s => s.Trim()).ToArray();
+                    if (str.Length < 2)
+                        continue;
+                    var key = str[0];
+                    var value = str[1];
+                    switch (key)
+                    {
+                        case "Other address is":
+                        case "Nat mapping behavior":
+                        case "Nat filtering behavior":
+                            break;
+                        case "Binding test":
+                            bindingTest = value;
+                            break;
+                        case "Local address":
+                            localEnd = value;
+                            break;
+                        case "Mapped address":
+                            publicEnd = value;
+                            break;
+                        case "result":
+                            result = value;
+                            break;
+                        default:
+                            result = str.Last();
+                            break;
+                    }
+                }
+
+                if (bindingTest == "Fail")
+                    result = "UdpBlocked";
+                return (result, localEnd, publicEnd);
             }
             catch (Exception e)
             {
@@ -51,41 +89,6 @@ namespace Netch.Controllers
             }
         }
 
-
-        private new void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
-        {
-            if (string.IsNullOrEmpty(e.Data)) return;
-            Logging.Info($"[NTT] {e.Data}");
-
-            var str = e.Data.Split(':').Select(s => s.Trim()).ToArray();
-            if (str.Length < 2)
-                return;
-            var key = str[0];
-            var value = str[1];
-            switch (key)
-            {
-                case "Other address is":
-                case "Nat mapping behavior":
-                case "Nat filtering behavior":
-                    break;
-                case "Binding test":
-                    _bindingTest = value;
-                    break;
-                case "Local address":
-                    _localEnd = value;
-                    break;
-                case "Mapped address":
-                    _publicEnd = value;
-                    break;
-                case "result":
-                    _result = value;
-                    break;
-                default:
-                    _result = str.Last();
-                    break;
-            }
-        }
-
         public override void Stop()
         {
             StopInstance();