diff --git a/UserClass/AsyncTcpServer.cs b/UserClass/AsyncTcpServer.cs
index 45f42dd..a18f351 100644
--- a/UserClass/AsyncTcpServer.cs
+++ b/UserClass/AsyncTcpServer.cs
@@ -5,9 +5,11 @@ using System.Data;
 using System.Security.Cryptography.Pkcs;
 using System.Text;
 using System.Text.Json;
+using System.Windows.Markup;
 using System.Xml.Linq;
 using TouchSocket.Core;
 using TouchSocket.Sockets;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace SunlightAggregationManager.UserClass
 {
@@ -64,6 +66,7 @@ namespace SunlightAggregationManager.UserClass
                                 MainWindowViewModel.Updata_Memory(MainWindowViewModel._userData, "User='" + deserializedPerson?.User + "'", myDict);
 
                                 Console.WriteLine("[Log on]User[" + deserializedPerson?.User + "]Note[" + (deserializedPerson?.Dat ?? "unknown") + "]");
+                                client.SendAsync(Command(deserializedPerson?.Dat?? "NOT"));
                             }
                             else
                             {//首次登录记录
@@ -164,6 +167,44 @@ namespace SunlightAggregationManager.UserClass
             Console.WriteLine("TCP Port:"+ port2.ToString());
             Console.WriteLine("TCP SERVER:START");
         }
+   
+        public static string Command(string dat)
+        {
+            string Command="", ret ="";
+
+            Dictionary<string, object> data_ = new Dictionary<string, object>();
+            var deserialized = JsonSerializer.Deserialize<Dictionary<string, object>>(dat)!;
+            if (deserialized.TryGetValue("Command", out var val) && val != null) Command = val.ToString()!;
+
+            if (Command == "Info")
+            {
+                var t = ToList(MainWindowViewModel._machines).ToJsonString();
+
+                data_.Add("Info", t);
+
+                ret = JsonSerializer.Serialize(data_);
+            }
+
+
+            return ret;
+        }
+
+        public static List<Dictionary<string, object>> ToList(DataTable table)
+        {
+            if (table == null) return null;
+
+            // 使用 AsEnumerable() 将 DataTable 转换为 IEnumerable<DataRow>
+            // 然后投影为 Dictionary
+            return table.AsEnumerable().Select(row =>
+                table.Columns.Cast<DataColumn>().ToDictionary(
+                    col => col.ColumnName,
+                    col => row[col]
+                )
+            ).ToList();
+        }
+
+
+
     }
 
     class MyTcpService : TcpService<MyTcpSessionClient>
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index c27d6e4..3594401 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -38,7 +38,6 @@ namespace SunlightAggregationManager.ViewModel
         [ObservableProperty]
         public static DataTable _userData = new DataTable();
 
-
         public MainWindowViewModel()
         {
             SQLIP = Configini.IniReadvalue("SQL_SERVER", "SQL1");    //读配置文件
@@ -70,7 +69,7 @@ namespace SunlightAggregationManager.ViewModel
                     row["LinkID"] = 0;
                 }
 
-
+                Machines.RowChanged += Machines_Updata;
                 UserData.RowChanged += UserData_Updata;//注册userdata表更新事件
 
             }
@@ -101,6 +100,10 @@ namespace SunlightAggregationManager.ViewModel
             }
         }
 
+        private void Machines_Updata(object sender, DataRowChangeEventArgs e) 
+        {
+            
+        }
 
         private void UserData_Updata(object sender, DataRowChangeEventArgs e)
         {