diff --git a/FastTunnel.Client/appsettings.json b/FastTunnel.Client/appsettings.json
index 4973a79..927a230 100644
--- a/FastTunnel.Client/appsettings.json
+++ b/FastTunnel.Client/appsettings.json
@@ -38,8 +38,8 @@
     "SSH": [
       {
         "LocalIp": "127.0.0.1",
-        "LocalPort": 22,
-        "RemotePort": 1273
+        "LocalPort": 88,
+        "RemotePort": 9999
       },
       {
         "LocalIp": "192.168.0.91",
diff --git a/FastTunnel.Core/AsyncListener.cs b/FastTunnel.Core/AsyncListener.cs
index 7c62a66..a0d00ab 100644
--- a/FastTunnel.Core/AsyncListener.cs
+++ b/FastTunnel.Core/AsyncListener.cs
@@ -42,7 +42,6 @@ namespace FastTunnel.Core
 
             listenSocket.Listen(100);
 
-            // post accepts on the listening socket
             StartAccept(null);
         }
 
@@ -68,16 +67,23 @@ namespace FastTunnel.Core
 
         private void ProcessAccept(SocketAsyncEventArgs e)
         {
-            Interlocked.Increment(ref m_numConnectedSockets);
-            Console.WriteLine("Client connection accepted. There are {0} clients connected to the server",
-                m_numConnectedSockets);
+            if (e.SocketError == SocketError.Success)
+            {
+                var accept = e.AcceptSocket;
 
-            var accept = e.AcceptSocket;
+                Interlocked.Increment(ref m_numConnectedSockets);
+                _logerr.LogInformation($"【{IP}:{Port}】Accepted. There are {{0}} clients connected to the port",
+                    m_numConnectedSockets);
 
-            // Accept the next connection request
-            StartAccept(e);
+                // Accept the next connection request
+                StartAccept(e);
 
-            _requestDispatcher.Dispatch(accept);
+                _requestDispatcher.Dispatch(accept);
+            }
+            else
+            {
+                ShutdownAndClose();
+            }
         }
 
         private void AcceptEventArg_Completed(object sender, SocketAsyncEventArgs e)
@@ -97,6 +103,7 @@ namespace FastTunnel.Core
             finally
             {
                 listenSocket.Close();
+                Interlocked.Decrement(ref m_numConnectedSockets);
             }
         }
     }
diff --git a/FastTunnel.Core/AsyncSocketSwap.cs b/FastTunnel.Core/AsyncSocketSwap.cs
index 0b12b05..fa89684 100644
--- a/FastTunnel.Core/AsyncSocketSwap.cs
+++ b/FastTunnel.Core/AsyncSocketSwap.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Net.Sockets;
+using System.Runtime.ExceptionServices;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -52,6 +53,7 @@ namespace FastTunnel.Core
                 catch (Exception ex)
                 {
                     Console.WriteLine(ex.ToString());
+                    ExceptionDispatchInfo.Capture(ex).Throw();
                 }
             });
         }
diff --git a/FastTunnel.Core/Handlers/Server/LoginMessageHandler.cs b/FastTunnel.Core/Handlers/Server/LoginMessageHandler.cs
index 23d3420..54063cb 100644
--- a/FastTunnel.Core/Handlers/Server/LoginMessageHandler.cs
+++ b/FastTunnel.Core/Handlers/Server/LoginMessageHandler.cs
@@ -87,7 +87,6 @@ namespace FastTunnel.Core.Handlers
                             {
                                 // cant use WebDomain
                                 _logger.LogDebug($"USE WebDomain IN WWW {www}");
-                                sb.Append($"{Environment.NewLine}  cant use {www}");
                             }
                         }
                     }