diff --git a/UserClass/AsyncTcpClient.cs b/UserClass/AsyncTcpClient.cs
index 470bf8b..906f8bd 100644
--- a/UserClass/AsyncTcpClient.cs
+++ b/UserClass/AsyncTcpClient.cs
@@ -47,17 +47,45 @@ namespace SunlightCentralizedControlManagement_SCCM_.UserClass
 
                 return EasyTask.CompletedTask;
             };//成功连接到服务器
-            tcpClient.Closing = (client, e) => { return EasyTask.CompletedTask; };//即将从服务器断开连接。此处仅主动断开才有效。
-            tcpClient.Closed = (client, e) => { return EasyTask.CompletedTask; };//从服务器断开连接，当连接不成功时不会触发。           
+            tcpClient.Closing = (client, e) =>
+            {
+                DataRow drEmployee = MainWindowViewModel.Machines.Select("IP='" + client.IP + "' AND port='" + client.Port + "'").First();
+                drEmployee.BeginEdit();
+                drEmployee["State"] = "899";
+                drEmployee.EndEdit();
+                drEmployee.AcceptChanges();
+                drEmployee.ClearErrors();
+
+                return EasyTask.CompletedTask; };//即将从服务器断开连接。此处仅主动断开才有效。
+            tcpClient.Closed = (client, e) =>
+            {
+                DataRow drEmployee = MainWindowViewModel.Machines.Select("IP='" + client.IP + "' AND port='" + client.Port + "'").First();
+                drEmployee.BeginEdit();
+                drEmployee["State"] = "899";
+                drEmployee.EndEdit();
+                drEmployee.AcceptChanges();
+                drEmployee.ClearErrors();
+
+                return EasyTask.CompletedTask; };//从服务器断开连接，当连接不成功时不会触发。           
             tcpClient.Received = (client, e) =>
             {
                 //从服务器收到信息。但是一般byteBlock和requestInfo会根据适配器呈现不同的值。
-                var mes = e.ByteBlock.Span.ToString(Encoding.UTF8);
+                string SYSAPI = e.ByteBlock.Span.ToString(Encoding.ASCII).Substring(0, 5);
+                string DAT = e.ByteBlock.Span.ToString(Encoding.ASCII);
+
+                if (SYSAPI == "SC851")
+                {
+                    
+
 
 
+                     //   client.SendAsync("SC851" + "[" + MainWindowViewModel.S01 + "]" + MainWindowViewModel.dt_d.ToJsonString());//数字开关信息
+                    
+                   
+                }//数字开关表
 
 
-             //   tcpClient.Logger.Info($"客户端接收到信息：{mes}");
+                //   tcpClient.Logger.Info($"客户端接收到信息：{mes}");
                 return EasyTask.CompletedTask;
             };
 
diff --git a/View/MachinesSet.xaml.cs b/View/MachinesSet.xaml.cs
index fe559e9..6b9cecf 100644
--- a/View/MachinesSet.xaml.cs
+++ b/View/MachinesSet.xaml.cs
@@ -65,26 +65,35 @@ namespace SunlightCentralizedControlManagement_SCCM_.View
         private void Save_Click(object sender, RoutedEventArgs e)
         {
             if (!string.IsNullOrEmpty(comboBoxMachine.Text))
-            {
-               
-
-
+            {               
                 Dictionary<string, object> dr_new = new Dictionary<string, object>();//缓存函数
                 dr_new.Add("Name", comboBoxMachine.Text);
                 dr_new.Add("Groups", TextMachineGroup.Text);
-
-
+                dr_new.Add("IP", IP.Text);
+                dr_new.Add("PORT", PORT.Text); 
+                dr_new.Add("Serial", comboBoxCOM0.Text);
+                dr_new.Add("Baud", BAUD.Text);
 
                 SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
                 SQLiteHelpers.Open();  //打开数据库
-                                       
-                SQLiteHelpers.InsertData("Machines", dr_new);
-                                        MainWindowViewModel.Machines = SQLiteHelpers.ExecuteDataSet("select * from Machines Order by id", null).Tables[0];  //读取表写入缓存
-                SQLiteHelpers.Close();
-
 
+                if (SQLiteHelpers.ExecuteDataSet("select * from Machines where name ='" + comboBoxMachine.Text + "'", null).Tables[0].Rows.Count == 0)
+                {
+                    SQLiteHelpers.InsertData("Machines", dr_new);
+                }
+                else 
+                {
+                    SQLiteHelpers.Update("Machines",dr_new,"name='"+comboBoxMachine.Text+"'",null);
+                }                                        
+                MainWindowViewModel.Machines = SQLiteHelpers.ExecuteDataSet("select * from Machines Order by id", null).Tables[0];  //读取表写入缓存
+                SQLiteHelpers.Close();
                 Griddata.ItemsSource = MainWindowViewModel.Machines.DefaultView;
                 comboBoxMachine.Text = null;
+                TextMachineGroup.Text = null;
+                IP.Text = null;
+                PORT.Text = "7789";
+                comboBoxCOM0.Text = null;
+                BAUD.Text = "57600";
             }
             else
             {