diff --git a/SocketExample/TCPWindowV2.xaml.cs b/SocketExample/TCPWindowV2.xaml.cs
index 90f1fe3..fef4552 100644
--- a/SocketExample/TCPWindowV2.xaml.cs
+++ b/SocketExample/TCPWindowV2.xaml.cs
@@ -155,6 +155,8 @@ namespace SocketExample
 
             public LinkCommand powerselectchanged;
 
+            Thread GPIOthread;
+
             #endregion
 
             public PanelItem(int index)
@@ -170,19 +172,6 @@ namespace SocketExample
                 SelectionChangedCommand = new RelayCommand<ComboBox>(ComboBox_SelectChanged);
                 GPOSelectionChangedCommand = new RelayCommand<ComboBox>(GPOComboBox_SelectChanged);
                 TextChangedCommand = new RelayCommand<ScrollViewer>(TextBlock_SelectChanged);
-
-                try
-                {
-
-                    path = Text + ".txt";
-                    File.CreateText(path);
-                    
-                }
-                catch (Exception ex)
-                {
-                    Infotext += ex;
-                }
-
                 //页面初始化
                 int[] Powerdatasource = {5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33};
                 string[] GPOdatasource = {"高","低"};
@@ -245,7 +234,7 @@ namespace SocketExample
                 string dataLength = readStateString.Substring(4, 2);//获取字符串中内容长度
                 string commandState = readStateString.Substring(6, 2);//获取命令
 
-                if(commandState != "81")
+                //if(commandState != "81")
                 Infotext += $"({currentTime})客户端接收到信息：\n{hexString}\n\n";
 
                 int i = Convert.ToInt32(dataLength, 16);
@@ -293,7 +282,7 @@ namespace SocketExample
 
                         case "81":
                             //获取GPIO状态，16进制转二进制
-                            string GPIBinInfo = Convert.ToString(Convert.ToInt32(readStateString.Substring(8, 2), 16), 2).PadLeft(8, '0');
+                            string GPIBinInfo = Convert.ToString(Convert.ToInt32(readStateString.Substring(12, 2), 16), 2).PadLeft(8, '0');
                             string GPOBinInfo = Convert.ToString(Convert.ToInt32(readStateString.Substring(10, 2), 16), 2).PadLeft(8, '0');
 
                             for (int j = 4; j < GPOBinInfo.Length; j++)
@@ -437,47 +426,54 @@ namespace SocketExample
 
             private Task onConnected(ITcpClient client, ConnectedEventArgs e)//连接后初始化
             {
-                Infotext += "已连接！\n"; 
-                StateColour = "Green"; 
-                LinkState = "已连接";
-                //streamWriter = new StreamWriter(path);
+                try
+                {
+                    Infotext += "已连接！\n";
+                    StateColour = "Green";
+                    LinkState = "已连接";
+                    //streamWriter = new StreamWriter(path);
 
-                byte[] data = strToToHexByte("AA 55 01 70 00 71 0D");//获取模块信息
-                option = "00";
-                client.Send(data);
+                    byte[] data = strToToHexByte("AA 55 01 70 00 71 0D");//获取模块信息
+                    option = "00";
+                    client.Send(data);
 
-                Thread.Sleep(500);
+                    Thread.Sleep(500);
 
-                data = strToToHexByte("AA 55 01 70 03 72 0D");//获取主板硬件信息
-                option = "03";
-                client.Send(data);
+                    data = strToToHexByte("AA 55 01 70 03 72 0D");//获取主板硬件信息
+                    option = "03";
+                    client.Send(data);
 
-                Thread.Sleep(500);
+                    Thread.Sleep(500);
 
-                data = strToToHexByte("AA 55 01 70 04 75 0D");//获取主板固件信息
-                option = "04";
-                client.Send(data);
+                    data = strToToHexByte("AA 55 01 70 04 75 0D");//获取主板固件信息
+                    option = "04";
+                    client.Send(data);
 
-                Thread.Sleep(500);
+                    Thread.Sleep(500);
 
-                data = strToToHexByte("AA 55 00 72 72 0D");//获取功率状态
-                client.Send(data);
+                    data = strToToHexByte("AA 55 00 72 72 0D");//获取功率状态
+                    client.Send(data);
 
-                Thread.Sleep(500);
+                    Thread.Sleep(500);
 
-                data = strToToHexByte("AA 55 00 81 81 0D");//获取GPIO状态
-                client.Send(data);
+                    data = strToToHexByte("AA 55 00 81 81 0D");//获取GPIO状态
+                    client.Send(data);
 
-                Thread.Sleep(500);
+                    Thread.Sleep(500);
 
-                data = strToToHexByte("AA 55 02 02 03 E8 EB 0D");//获取1000ms内标签信息
-                client.Send(data);
+                    data = strToToHexByte("AA 55 02 02 03 E8 EB 0D");//获取1000ms内标签信息
+                    client.Send(data);
 
-                Thread.Sleep(1000);
+                    Thread.Sleep(1000);
 
-
-                Thread GPIOthread = new Thread(new ThreadStart(delegate () { while (true) { byte[] data = strToToHexByte("AA 55 00 81 81 0D"); client.Send(data); Thread.Sleep(3000); } }));
-                GPIOthread.Start();//心跳获取GPIO状态
+                    GPIOthread = new Thread(new ThreadStart(delegate () { while (true) { byte[] data = strToToHexByte("AA 55 00 81 81 0D"); client.Send(data); Thread.Sleep(3000); } }));
+                    GPIOthread.Start();//心跳获取GPIO状态
+                }
+                catch (Exception ex)
+                {
+                    Infotext += $"连接时报错，错误内容：{ex}！\n";
+                }
+                
                 return EasyTask.CompletedTask;
             }
             #endregion
@@ -550,7 +546,7 @@ namespace SocketExample
                     //连接事件
                     client.Connected += onConnected; 
                     //断连事件
-                    client.Closed = (client, e) => { Infotext += "已断开！\n"; StateColour = "Red"; LinkState = "未连接"; return EasyTask.CompletedTask; };
+                    client.Closed = (client, e) => { GPIOthread.Abort(); Infotext += "已断开！\n"; StateColour = "Red"; LinkState = "未连接"; return EasyTask.CompletedTask; };
                     //接收事件
                     client.Received += onRecieved;
 
@@ -705,6 +701,8 @@ namespace SocketExample
                 string comboxname = sender.Name;
                 try
                 {
+                    if (sender.SelectedItem == null)
+                        return;
                     switch (comboxname)
                     {
                         case "GPO1ComboBox":
@@ -801,7 +799,12 @@ namespace SocketExample
         {
             InitializeComponent();
             EnsureFolderExists("日志文件夹");
+            this.Closing += TCPWindowV2_Closing;
+        }
 
+        private void TCPWindowV2_Closing(object sender, CancelEventArgs e)
+        {
+            System.Environment.Exit(0);
         }
 
         int currentcount = 0;//目前客户端的数量