diff --git a/UserClass/TCPServer.cs b/UserClass/TCPServer.cs
index 028b5db..c22a7f0 100644
--- a/UserClass/TCPServer.cs
+++ b/UserClass/TCPServer.cs
@@ -11,6 +11,7 @@ using System.Windows.Forms;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
+using System.Net.NetworkInformation;
 
 namespace formula_manage.UserClass
 {
@@ -39,7 +40,7 @@ namespace formula_manage.UserClass
                 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"));
+                IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse(UserClass.get_local_ip_address.getLocalIPAddressWithNetworkInterface(NetworkInterfaceType.Ethernet)), int.Parse("11080"));
 
                 try
                 {