diff --git a/FastTunnel.Client/appsettings.json b/FastTunnel.Client/appsettings.json
index 4e1e3c0..5ef2270 100644
--- a/FastTunnel.Client/appsettings.json
+++ b/FastTunnel.Client/appsettings.json
@@ -9,10 +9,10 @@
   },
   "ClientSettings": {
     "Server": {
-      // 服务端公网ip, 对应服务端配置文件的 BindAddr,支持域名
-      // "ServerAddr": "my.com",
-      "ServerAddr": "127.0.0.1",
-      // 服务端通信端口，对应服务端配置文件的 BindPort
+      // 服务端ip/域名
+       "ServerAddr": "test.cc",
+      //"ServerAddr": "127.0.0.1",
+      // 服务端监听的通信端口
       "ServerPort": 1271
     },
     "Webs": [
@@ -23,29 +23,29 @@
         // 站点监听的端口号
         "LocalPort": 9529,
 
-        // 子域名, 访问本站点时的url为 http://{SubDomain}.{Domain}:{ProxyPort_HTTP}/
-        "SubDomain": "test", // test.test.cc
+        // 子域名, 访问本站点时的url为 http://{SubDomain}.{WebDomain}:{WebProxyPort}/
+        "SubDomain": "test" // test.test.cc
 
-        // 个人域名（需要解析域名A记录至服务的ip地址）
-        "WWW": [ "www.abc.com", "test111.test.cc" ]
+        // 附加域名，需要解析域名A记录至服务的ip地址）
+        // "WWW": [ "www.abc.com", "test111.test.cc" ]
       }
     ],
 
     /**
-     * ssh穿透，ssh访问内网主机
-     * 访问方式 #ssh -oPort=12701 {root}@{ServerAddr}
-     * ServerAddr 填入服务端ip，root对应内网用户名
+     * ssh穿透，ssh访问内网主机/mysql/erp/等任何服务
+     * 远程linux示例：#ssh -oPort=12701 {root}@{ServerAddr} ServerAddr 填入服务端ip，root对应内网用户名
+     * 通过服务端返回的访问方式进行访问即可
      */
     "SSH": [
       {
-        "LocalIp": "127.0.0.1",
-        "LocalPort": 88,
+        "LocalIp": "test.cc",
+        "LocalPort": 8090,
         "RemotePort": 9999
       },
       {
         "LocalIp": "192.168.0.91",
         "LocalPort": 3389, // windows远程桌面端口为3389
-        "RemotePort": 1274
+        "RemotePort": 1274 // 访问 服务端ip:1274 即可实现远程window桌面
       }
     ]
   }
diff --git a/FastTunnel.Core/Client/FastTunnelClient.cs b/FastTunnel.Core/Client/FastTunnelClient.cs
index 52eeb22..f2056b4 100644
--- a/FastTunnel.Core/Client/FastTunnelClient.cs
+++ b/FastTunnel.Core/Client/FastTunnelClient.cs
@@ -3,8 +3,6 @@ using Newtonsoft.Json.Linq;
 using FastTunnel.Core.Config;
 using FastTunnel.Core.Models;
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Net.Sockets;
 using System.Text;
 using System.Threading.Tasks;
@@ -15,6 +13,7 @@ using Microsoft.Extensions.Logging;
 using FastTunnel.Core.Handlers.Client;
 using Microsoft.Extensions.Configuration;
 using FastTunnel.Core.Server;
+using FastTunnel.Core.Sockets;
 
 namespace FastTunnel.Core.Client
 {
@@ -63,10 +62,13 @@ namespace FastTunnel.Core.Client
         private void reConn()
         {
             Close();
-            while (true)
+
+            do
             {
                 try
                 {
+                    Thread.Sleep(reTrySpan);
+
                     _logger.LogInformation("登录重试...");
                     _client = lastLogin.Invoke();
 
@@ -75,9 +77,8 @@ namespace FastTunnel.Core.Client
                 catch (Exception ex)
                 {
                     _logger.LogError(ex.Message);
-                    Thread.Sleep(reTrySpan);
                 }
-            }
+            } while (true);
 
             connSuccessAsync();
         }
@@ -120,7 +121,6 @@ namespace FastTunnel.Core.Client
             {
                 _logger.LogError(ex.Message);
 
-                Thread.Sleep(reTrySpan);
                 reConn();
                 return;
             }
@@ -133,20 +133,23 @@ namespace FastTunnel.Core.Client
             var ClientConfig = _configuration.Get<AppSettings>().ClientSettings;
             Server = ClientConfig.Server;
 
-            Connecter _client;
+            DnsSocket _client = null;
             _logger.LogInformation($"正在连接服务端 {Server.ServerAddr}:{Server.ServerPort}");
 
             try
             {
                 // 连接到的目标IP
-                _client = new Connecter(Server.ServerAddr, Server.ServerPort);
+                if (_client == null)
+                {
+                    _client = new DnsSocket(Server.ServerAddr, Server.ServerPort);
+                }
+
                 _client.Connect();
 
                 _logger.LogInformation("连接成功");
             }
             catch (Exception)
             {
-                Thread.Sleep(5000);
                 throw;
             }
 
@@ -172,13 +175,13 @@ namespace FastTunnel.Core.Client
 
             try
             {
-                _client.Shutdown(SocketShutdown.Both);
+                _client?.Shutdown(SocketShutdown.Both);
             }
             catch (Exception)
             {
             }
 
-            _client.Close();
+            _client?.Close();
         }
 
         private async Task connSuccessAsync()
diff --git a/FastTunnel.Core/DataReciver.cs b/FastTunnel.Core/DataReciver.cs
deleted file mode 100644
index d5a1bee..0000000
--- a/FastTunnel.Core/DataReciver.cs
+++ /dev/null
@@ -1,72 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Net.Sockets;
-using System.Text;
-
-namespace FastTunnel.Core
-{
-    public delegate void OnCompleteHandler(DataReciver send, byte[] buffer, int index, int count);
-    public delegate void OnError(DataReciver send, SocketAsyncEventArgs e);
-    public delegate void OnConnectionReset(DataReciver send, Socket socket, SocketAsyncEventArgs e);
-
-    public class DataReciver
-    {
-        private Socket m_client;
-
-        public event OnCompleteHandler OnComplete;
-        public event OnError OnError;
-        public event OnConnectionReset OnReset;
-
-        byte[] buffer = new byte[1024 * 1024];
-        SocketAsyncEventArgs rcv_event;
-
-        public Socket Socket => m_client;
-
-        public DataReciver(Socket client)
-        {
-            this.m_client = client;
-
-            rcv_event = new SocketAsyncEventArgs();
-            rcv_event.Completed += Rcv_event_Completed;
-            rcv_event.SetBuffer(buffer);
-        }
-
-        public void ReciveOneAsync()
-        {
-            var willRaise = m_client.ReceiveAsync(rcv_event);
-            if (!willRaise)
-            {
-                Process(rcv_event);
-            }
-        }
-
-        private void Rcv_event_Completed(object sender, SocketAsyncEventArgs e)
-        {
-            Process(e);
-        }
-
-        private void Process(SocketAsyncEventArgs e)
-        {
-            if (e.SocketError == SocketError.Success)
-            {
-                if (e.BytesTransferred == 0)
-                {
-
-                }
-                else
-                {
-                    OnComplete?.Invoke(this, buffer, e.Offset, e.BytesTransferred);
-                }
-            }
-            else if (e.SocketError == SocketError.ConnectionReset)
-            {
-                // 断线
-                OnReset?.Invoke(this, m_client, e);
-            }
-            else
-            {
-                OnError?.Invoke(this, e);
-            }
-        }
-    }
-}
diff --git a/FastTunnel.Core/Handlers/Client/HttpRequestHandler.cs b/FastTunnel.Core/Handlers/Client/HttpRequestHandler.cs
index 80d544d..9350ba2 100644
--- a/FastTunnel.Core/Handlers/Client/HttpRequestHandler.cs
+++ b/FastTunnel.Core/Handlers/Client/HttpRequestHandler.cs
@@ -9,6 +9,7 @@ using System.Net.Sockets;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using FastTunnel.Core.Sockets;
 
 namespace FastTunnel.Core.Handlers.Client
 {
@@ -17,12 +18,12 @@ namespace FastTunnel.Core.Handlers.Client
         public void HandlerMsg(FastTunnelClient cleint, Message<JObject> Msg)
         {
             var request = Msg.Content.ToObject<NewCustomerMassage>();
-            var connecter = new Connecter(cleint.Server.ServerAddr, cleint.Server.ServerPort);
+            var connecter = new DnsSocket(cleint.Server.ServerAddr, cleint.Server.ServerPort);
 
             connecter.Connect();
             connecter.Send(new Message<SwapMassage> { MessageType = MessageType.C_SwapMsg, Content = new SwapMassage(request.MsgId) });
 
-            var localConnecter = new Connecter(request.WebConfig.LocalIp, request.WebConfig.LocalPort);
+            var localConnecter = new DnsSocket(request.WebConfig.LocalIp, request.WebConfig.LocalPort);
 
             try
             {
@@ -59,7 +60,7 @@ namespace FastTunnel.Core.Handlers.Client
                 throw;
             }
 
-            new SocketSwap(connecter.Socket, localConnecter.Socket).StartSwapAsync();
+            new SocketSwap(connecter.Socket, localConnecter.Socket).StartSwap();
         }
     }
 }
diff --git a/FastTunnel.Core/Handlers/Client/NewSSHHandler.cs b/FastTunnel.Core/Handlers/Client/NewSSHHandler.cs
index e086684..b2dbd17 100644
--- a/FastTunnel.Core/Handlers/Client/NewSSHHandler.cs
+++ b/FastTunnel.Core/Handlers/Client/NewSSHHandler.cs
@@ -5,6 +5,7 @@ using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
 using System.Text;
+using FastTunnel.Core.Sockets;
 
 namespace FastTunnel.Core.Handlers.Client
 {
@@ -13,14 +14,14 @@ namespace FastTunnel.Core.Handlers.Client
         public void HandlerMsg(FastTunnelClient cleint, Message<JObject> Msg)
         {
             var request_ssh = Msg.Content.ToObject<NewSSHRequest>();
-            var connecter_ssh = new Connecter(cleint.Server.ServerAddr, cleint.Server.ServerPort);
+            var connecter_ssh = new DnsSocket(cleint.Server.ServerAddr, cleint.Server.ServerPort);
             connecter_ssh.Connect();
             connecter_ssh.Send(new Message<SwapMassage> { MessageType = MessageType.C_SwapMsg, Content = new SwapMassage(request_ssh.MsgId) });
 
-            var localConnecter_ssh = new Connecter(request_ssh.SSHConfig.LocalIp, request_ssh.SSHConfig.LocalPort);
+            var localConnecter_ssh = new DnsSocket(request_ssh.SSHConfig.LocalIp, request_ssh.SSHConfig.LocalPort);
             localConnecter_ssh.Connect();
 
-            new SocketSwap(connecter_ssh.Socket, localConnecter_ssh.Socket).StartSwapAsync();
+            new SocketSwap(connecter_ssh.Socket, localConnecter_ssh.Socket).StartSwap();
         }
     }
 }
diff --git a/FastTunnel.Core/Handlers/Server/SwapMessageHandler.cs b/FastTunnel.Core/Handlers/Server/SwapMessageHandler.cs
index 04e2a53..61790b3 100644
--- a/FastTunnel.Core/Handlers/Server/SwapMessageHandler.cs
+++ b/FastTunnel.Core/Handlers/Server/SwapMessageHandler.cs
@@ -1,6 +1,7 @@
 using FastTunnel.Core.Client;
 using FastTunnel.Core.Extensions;
 using FastTunnel.Core.Models;
+using FastTunnel.Core.Sockets;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json.Linq;
 using System;
@@ -35,7 +36,7 @@ namespace FastTunnel.Core.Handlers.Server
                    {
                        if (request.Buffer != null) client.Send(request.Buffer);
                    })
-                   .StartSwapAsync();
+                   .StartSwap();
             }
             else
             {
diff --git a/FastTunnel.Core/Services/ServiceFastTunnelClient.cs b/FastTunnel.Core/Services/ServiceFastTunnelClient.cs
index ce162ec..36995e2 100644
--- a/FastTunnel.Core/Services/ServiceFastTunnelClient.cs
+++ b/FastTunnel.Core/Services/ServiceFastTunnelClient.cs
@@ -23,7 +23,7 @@ namespace FastTunnel.Core.Services
             _logger = logger;
             _fastTunnelClient = fastTunnelClient;
 
-            AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
+            //AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
             AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         }
 
diff --git a/FastTunnel.Core/Services/ServiceFastTunnelServer.cs b/FastTunnel.Core/Services/ServiceFastTunnelServer.cs
index fbd9260..fb1d228 100644
--- a/FastTunnel.Core/Services/ServiceFastTunnelServer.cs
+++ b/FastTunnel.Core/Services/ServiceFastTunnelServer.cs
@@ -31,7 +31,7 @@ namespace FastTunnel.Core.Services
             _logger = logger;
             _authenticationFilter = authenticationFilter;
             _server = fastTunnelServer;
-            AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
+            //AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
             AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         }
 
diff --git a/FastTunnel.Core/AsyncSocketSwap.cs b/FastTunnel.Core/Sockets/AsyncSocketSwap.cs
similarity index 87%
rename from FastTunnel.Core/AsyncSocketSwap.cs
rename to FastTunnel.Core/Sockets/AsyncSocketSwap.cs
index 6b38947..0d5d10b 100644
--- a/FastTunnel.Core/AsyncSocketSwap.cs
+++ b/FastTunnel.Core/Sockets/AsyncSocketSwap.cs
@@ -1,4 +1,5 @@
-using System;
+using FastTunnel.Core.Dispatchers;
+using System;
 using System.Collections.Generic;
 using System.Net.Sockets;
 using System.Runtime.ExceptionServices;
@@ -6,9 +7,13 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace FastTunnel.Core
+namespace FastTunnel.Core.Sockets
 {
-    public class AsyncSocketSwap
+    /// <summary>
+    /// 异步数据交换
+    /// 存在大文件下载时，导致栈溢出的问题
+    /// </summary>
+    public class AsyncSocketSwap : ISocketSwap
     {
         private Socket m_sockt1;
         private Socket m_sockt2;
@@ -35,7 +40,7 @@ namespace FastTunnel.Core
             e2.SetBuffer(m_buffer, 512, 512);
         }
 
-        public AsyncSocketSwap BeforeSwap(Action fun)
+        public ISocketSwap BeforeSwap(Action fun)
         {
             if (m_swaping)
                 throw new Exception("BeforeSwap must be invoked before StartSwap!");
@@ -44,7 +49,7 @@ namespace FastTunnel.Core
             return this;
         }
 
-        public void StartSwapAsync()
+        public void StartSwap()
         {
             try
             {
@@ -133,20 +138,6 @@ namespace FastTunnel.Core
                 }
                 catch (Exception) { }
                 socket.Close();
-
-                //try
-                //{
-                //    m_sockt1.Shutdown(SocketShutdown.Both);
-                //}
-                //catch (Exception) { }
-                //m_sockt1.Close();
-
-                //try
-                //{
-                //    m_sockt2.Shutdown(SocketShutdown.Both);
-                //}
-                //catch (Exception) { }
-                //m_sockt2.Close();
             }
             catch (Exception ex)
             {
diff --git a/FastTunnel.Core/Connecter.cs b/FastTunnel.Core/Sockets/DnsSocket.cs
similarity index 89%
rename from FastTunnel.Core/Connecter.cs
rename to FastTunnel.Core/Sockets/DnsSocket.cs
index 3474489..9567248 100644
--- a/FastTunnel.Core/Connecter.cs
+++ b/FastTunnel.Core/Sockets/DnsSocket.cs
@@ -6,16 +6,16 @@ using System.Net;
 using System.Net.Sockets;
 using System.Text;
 
-namespace FastTunnel.Core
+namespace FastTunnel.Core.Sockets
 {
-    public class Connecter
+    public class DnsSocket
     {
         private string _host;
         private int _port;
 
         public Socket Socket { get; set; }
 
-        public Connecter(string v1, int v2)
+        public DnsSocket(string v1, int v2)
         {
             this._host = v1;
             this._port = v2;
diff --git a/FastTunnel.Core/Sockets/ISocketSwap.cs b/FastTunnel.Core/Sockets/ISocketSwap.cs
new file mode 100644
index 0000000..6247f33
--- /dev/null
+++ b/FastTunnel.Core/Sockets/ISocketSwap.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FastTunnel.Core.Sockets
+{
+    public interface ISocketSwap
+    {
+        /// <summary>
+        /// 前置操作
+        /// </summary>
+        /// <param name="fun"></param>
+        /// <returns></returns>
+        ISocketSwap BeforeSwap(Action fun);
+
+        void StartSwap();
+    }
+}
diff --git a/FastTunnel.Core/SocketSwap.cs b/FastTunnel.Core/Sockets/SocketSwap.cs
similarity index 93%
rename from FastTunnel.Core/SocketSwap.cs
rename to FastTunnel.Core/Sockets/SocketSwap.cs
index 85d87df..ef22524 100644
--- a/FastTunnel.Core/SocketSwap.cs
+++ b/FastTunnel.Core/Sockets/SocketSwap.cs
@@ -1,12 +1,13 @@
-using System;
+using FastTunnel.Core.Dispatchers;
+using System;
 using System.Collections.Generic;
 using System.Net.Sockets;
 using System.Text;
 using System.Threading;
 
-namespace FastTunnel.Core
+namespace FastTunnel.Core.Sockets
 {
-    public class SocketSwap
+    public class SocketSwap : ISocketSwap
     {
         private Socket _sockt1;
         private Socket _sockt2;
@@ -25,7 +26,7 @@ namespace FastTunnel.Core
             _sockt2 = sockt2;
         }
 
-        public void StartSwapAsync()
+        public void StartSwap()
         {
             Swaped = true;
             ThreadPool.QueueUserWorkItem(swapCallback, new Channel
@@ -111,7 +112,7 @@ namespace FastTunnel.Core
             }
         }
 
-        internal SocketSwap BeforeSwap(Action fun)
+        public ISocketSwap BeforeSwap(Action fun)
         {
             if (Swaped)
             {
diff --git a/FastTunnel.Server/Properties/launchSettings.json b/FastTunnel.Server/Properties/launchSettings.json
index 73772f4..cb0f412 100644
--- a/FastTunnel.Server/Properties/launchSettings.json
+++ b/FastTunnel.Server/Properties/launchSettings.json
@@ -9,14 +9,6 @@
     }
   },
   "profiles": {
-    "IIS Express": {
-      "commandName": "IISExpress",
-      //"launchBrowser": true,
-      "launchUrl": "",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      }
-    },
     "FastTunnel.Server": {
       "commandName": "Project",
       //"launchBrowser": true,
@@ -25,6 +17,14 @@
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      //"launchBrowser": true,
+      "launchUrl": "",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
     }
   }
 }
diff --git a/FastTunnel.Server/config/appsettings.json b/FastTunnel.Server/config/appsettings.json
index 7aa775a..bdfe510 100644
--- a/FastTunnel.Server/config/appsettings.json
+++ b/FastTunnel.Server/config/appsettings.json
@@ -9,22 +9,21 @@
   },
   "AllowedHosts": "*",
   "ServerSettings": {
-    // ��ѡ Ĭ��ֵ
+    // ������ַ
     "BindAddr": "0.0.0.0",
-    // ��ѡ Ĭ��ֵ
+    // �����˿�
     "BindPort": 1271,
 
-    // �Զ�������web��͸����
+    // ������
     "WebDomain": "test.cc",
 
-    // ��������Ķ˿ں�, �����Զ�������վ��ʱurlΪ http://{SubDomain}.{Domain}:{ProxyPort_HTTP}/
-    // web��͸����
+    // Http�����˿�, �����Զ�������վ��ʱurlΪ http://{SubDomain}.{WebDomain}:{WebProxyPort}/
     "WebProxyPort": 1270,
 
     // ��ѡ��ngixn����������ʡ��������Ķ˿ںŽ��з���
     "WebHasNginxProxy": false,
 
-    // ��ѡ�����ʰ����������ڰ�������ip�ܾ�
+    // ��ѡ�����ʰ����������ڰ�������ip�ܾ���Ϊ��ʱ��������Ȩ�޷���
     "WebAllowAccessIps": [],
 
     // ��ѡ���Ƿ���SSH�����ú󲻴���SSH���Ͷ˿�ת��.Ĭ��false��