diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 64a3446..5912fe8 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -75,7 +75,7 @@ namespace formula_manage
             InitializeComponent();
             this.Closing += Window_Closing;   //添加窗口关闭事件
 
-            //UserClass.HttpSERVER.Start();  //开启网路通讯
+            UserClass.TCPServer.Start();  //开启网路通讯
 
             USER.Text = App.USER_Purview;
             RRODUCTdataTable.Columns.Add("ID", typeof(int));
diff --git a/UserClass/TCPServer.cs b/UserClass/TCPServer.cs
new file mode 100644
index 0000000..946783e
--- /dev/null
+++ b/UserClass/TCPServer.cs
@@ -0,0 +1,225 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Windows.Forms;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+
+namespace formula_manage.UserClass
+{
+    public class TCPServer
+    {
+
+        //第一步：调用socket()函数创建一个用于通信的套接字
+        public static Socket listenSocket;
+
+        //字典集合：存储IP和Socket的集合
+        public static Dictionary<string, Socket> OnLineList = new Dictionary<string, Socket>();
+
+            //当前时间
+            private string CurrentTime
+            {
+                get { return DateTime.Now.ToString("HH:mm:ss") + Environment.NewLine; }
+            }
+
+            //编码格式
+            Encoding econding = Encoding.Default;
+
+
+            public static void  Start()
+            {
+                //第一步：调用socket()函数创建一个用于通信的套接字
+                listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+
+                //第二步：给已经创建的套接字绑定一个端口号，这一般通过设置网络套接口地址和调用Bind()函数来实现
+                IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), int.Parse("11080"));
+
+                try
+                {
+                    listenSocket.Bind(endPoint);
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show("服务器开启失败：" + ex.Message, "开启服务器");
+                    return;
+                }
+
+                //第三步：调用listen()函数使套接字成为一个监听套接字
+                listenSocket.Listen(10);
+
+            //ShowMessage("服务器开启成功");
+            MessageBox.Show("服务器开启成功");
+                //开启一个线程监听
+                Task.Run(new Action(() =>
+                {
+                    ListenConnection();
+                }
+                ));
+
+            }
+
+        public static void ListenConnection()
+            {
+                while (true)
+                {
+                    Socket clientSocket = listenSocket.Accept();
+
+                    string ip = clientSocket.RemoteEndPoint.ToString();
+
+                    //更新在线列表
+                 //   AddOnLine(ip, true);
+                    //更新在线列表集合
+                    OnLineList.Add(ip, clientSocket);
+
+                   // ShowMessage(ip + "上线了");
+
+                    Task.Run(() => ReceiveMsg(clientSocket));
+
+                }
+
+            }
+
+
+        /// <summary>
+        /// 接收方法
+        /// </summary>
+        /// <param name="clientSocket"></param>
+        public static void ReceiveMsg(Socket clientSocket)
+            {
+                while (true)
+                {
+                    //定义一个2M的缓冲区
+                    byte[] buffer = new byte[1024 * 1024 * 2];
+
+                    int length = -1;
+                    try
+                    {
+                        length = clientSocket.Receive(buffer);
+                    }
+                    catch (Exception)
+                    {
+
+                        //客户端下线了
+
+                        //更新在线列表
+                        string ip = clientSocket.RemoteEndPoint.ToString();
+
+                     //   AddOnLine(ip, false);
+
+                        OnLineList.Remove(ip);
+
+                        break;
+                    }
+
+                    if (length == 0)
+                    {
+                        //客户端下线了
+
+                        //更新在线列表
+                        string ip = clientSocket.RemoteEndPoint.ToString();
+
+                    //    AddOnLine(ip, false);
+
+                        OnLineList.Remove(ip);
+
+                        break;
+                    }
+
+
+                  //  if (length > 0)
+               //     {
+                //        string info = econding.GetString(buffer, 0, length);
+                       // ShowMessage(info);
+              //      }
+                }
+            }
+/*
+            /// <summary>
+            /// 在线列表更新
+            /// </summary>
+            /// <param name="clientIp"></param>
+            /// <param name="value"></param>
+            private void AddOnLine(string clientIp, bool value)
+            {
+                Invoke(new Action(() =>
+                {
+                    if (value)
+                    {
+                        this.lst_Online.Items.Add(clientIp);
+                    }
+                    else
+                    {
+                        this.lst_Online.Items.Remove(clientIp);
+                    }
+
+                }));
+
+            }
+
+
+            /// <summary>
+            /// 更新接收区
+            /// </summary>
+            /// <param name="info"></param>
+            private void ShowMessage(string info)
+            {
+                Invoke(new Action(() =>
+                {
+                    this.txt_Rcv.AppendText(CurrentTime + info + Environment.NewLine);
+                }));
+
+            }
+*/
+/*
+            /// <summary>
+            /// 消息发送
+            /// </summary>
+            /// <param name="sender"></param>
+            /// <param name="e"></param>
+            private void btn_Send_Click(object sender, EventArgs e)
+            {
+                if (this.lst_Online.SelectedItem != null)
+                {
+                    foreach (string item in this.lst_Online.SelectedItems)
+                    {
+                        if (OnLineList.ContainsKey(item))
+                        {
+                            OnLineList[item].Send(econding.GetBytes(this.txt_Send.Text.Trim()));
+                        }
+                    }
+                }
+                else
+                {
+                    MessageBox.Show("请先选择要发送的对象", "发送消息");
+                }
+
+            }
+
+            /// <summary>
+            /// 群发功能
+            /// </summary>
+            /// <param name="sender"></param>
+            /// <param name="e"></param>
+            private void btn_SendAll_Click(object sender, EventArgs e)
+            {
+                foreach (string item in this.lst_Online.Items)
+                {
+                    if (OnLineList.ContainsKey(item))
+                    {
+                        OnLineList[item].Send(econding.GetBytes(this.txt_Send.Text.Trim()));
+                    }
+                }
+            }*/
+        
+    }
+}
+
+
+
diff --git a/UserClass/TCPUDPServer.cs b/UserClass/TCPUDPServer.cs
deleted file mode 100644
index 4f074c8..0000000
--- a/UserClass/TCPUDPServer.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Newtonsoft.Json;
-using System.IO;
-using System.Net;
-
-namespace formula_manage.UserClass
-{
-    public class TCPUDPServer
-    {
-       
-    }
-
-
-}
diff --git a/formula_manage.csproj b/formula_manage.csproj
index 0f763ec..fe40a1d 100644
--- a/formula_manage.csproj
+++ b/formula_manage.csproj
@@ -266,7 +266,7 @@
     <Compile Include="UserClass\CRCcheck16.cs" />
     <Compile Include="UserClass\DataGridHelper.cs" />
     <Compile Include="UserClass\HardwareSN.cs" />
-    <Compile Include="UserClass\TCPUDPServer.cs" />
+    <Compile Include="UserClass\TCPServer.cs" />
     <Compile Include="UserClass\IniFile.cs" />
     <Compile Include="UserClass\Log.cs" />
     <Compile Include="UserClass\MD5check.cs" />