diff --git a/Netch/Controllers/HTTPController.cs b/Netch/Controllers/HTTPController.cs
index 4dce0eeb..e880bac0 100644
--- a/Netch/Controllers/HTTPController.cs
+++ b/Netch/Controllers/HTTPController.cs
@@ -25,21 +25,22 @@ namespace Netch.Controllers
             PrivoxyController.Start(MainController.Server!);
             Global.Job.AddProcess(PrivoxyController.Instance!);
 
-            if (mode.Type is 3 or 5)
+            if (mode.Type is 3)
             {
+                using var service = new ProxyService();
+                _oldState = service.Query();
+
                 if (MainController.Server is Socks5 or Trojan && mode.BypassChina)
                 {
-                    PACServerHandle.InitPACServer("127.0.0.1");
+                    service.AutoConfigUrl = PACServerHandle.InitPACServer("127.0.0.1");
+
+                    service.Pac();
                 }
                 else
                 {
-                    using var service = new ProxyService
-                    {
-                        Server = $"127.0.0.1:{Global.Settings.HTTPLocalPort}",
-                        Bypass = string.Join(";", ProxyService.LanIp)
-                    };
+                    service.Server = $"127.0.0.1:{Global.Settings.HTTPLocalPort}";
+                    service.Bypass = string.Join(";", ProxyService.LanIp);
 
-                    _oldState = service.Query();
                     service.Global();
                 }
             }
@@ -57,8 +58,11 @@ namespace Netch.Controllers
                 {
                     PACServerHandle.Stop();
 
-                    using var service = new ProxyService();
-                    service.Set(_oldState!);
+                    if (_oldState != null)
+                    {
+                        using var service = new ProxyService();
+                        service.Set(_oldState!);
+                    }
                 })
             };
 
diff --git a/Netch/Models/Setting.cs b/Netch/Models/Setting.cs
index 3e6b3b70..a2c4414e 100644
--- a/Netch/Models/Setting.cs
+++ b/Netch/Models/Setting.cs
@@ -176,11 +176,6 @@ namespace Netch.Models
         /// </summary>
         public int Pac_Port { get; set; } = 2803;
 
-        /// <summary>
-        ///     PAC URL
-        /// </summary>
-        public string Pac_Url { get; set; } = "";
-
         /// <summary>
         ///     不代理TCP
         /// </summary>
diff --git a/Netch/Utils/HttpProxyHandler/PACServerHandle.cs b/Netch/Utils/HttpProxyHandler/PACServerHandle.cs
index 9b951836..d4e925fc 100644
--- a/Netch/Utils/HttpProxyHandler/PACServerHandle.cs
+++ b/Netch/Utils/HttpProxyHandler/PACServerHandle.cs
@@ -4,7 +4,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Text;
-using WindowsProxy;
 
 namespace Netch.Utils.HttpProxyHandler
 {
@@ -16,36 +15,28 @@ namespace Netch.Utils.HttpProxyHandler
         private static readonly Hashtable httpWebServer = new();
         private static readonly Hashtable pacList = new();
 
-        public static void InitPACServer(string address)
+        public static string InitPACServer(string address)
         {
             try
             {
                 if (!pacList.ContainsKey(address))
                     pacList.Add(address, GetPacList(address));
 
-                var prefixes = string.Format("http://{0}:{1}/pac/", address, Global.Settings.Pac_Port);
+                var prefixes = $"http://{address}:{Global.Settings.Pac_Port}/pac/";
 
                 var ws = new HttpWebServer(SendResponse, prefixes);
                 ws.Run();
 
-                if (!httpWebServer.ContainsKey(address) && ws != null)
+                if (!httpWebServer.ContainsKey(address))
                     httpWebServer.Add(address, ws);
 
-                Global.Settings.Pac_Url = GetPacUrl();
-
-                using var service = new ProxyService
-                {
-                    AutoConfigUrl = Global.Settings.Pac_Url
-                };
-
-                service.Pac();
-
-                Logging.Info(service.Set(service.Query()) + "");
-                Logging.Info($"Webserver InitServer OK: {Global.Settings.Pac_Url}");
+                var pacUrl = GetPacUrl();
+                Logging.Info($"Webserver InitServer OK: {pacUrl}");
+                return pacUrl;
             }
             catch (Exception ex)
             {
-                Logging.Error("Webserver InitServer " + ex.Message);
+                throw new Exception("Webserver InitServer Error:" + ex.Message);
             }
         }