diff --git a/UserClass/GetLocalIP.cs b/UserClass/GetLocalIP.cs
new file mode 100644
index 0000000..63c0a0f
--- /dev/null
+++ b/UserClass/GetLocalIP.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Linq;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+
+namespace SunlightAggregationManager.UserClass
+{
+    public class GetLocalIP
+    {
+        public static string GetLocalIPv4Address()
+        {
+            // 获取所有网络接口
+            var networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
+
+            foreach (var ni in networkInterfaces)
+            {
+                // 筛选条件：
+                // 1. 网卡状态为 Up (已连接)
+                // 2. 排除虚拟网卡、回环网卡、隧道网卡
+                // 3. 支持 IPv4
+                if (ni.OperationalStatus == OperationalStatus.Up &&
+                    ni.NetworkInterfaceType != NetworkInterfaceType.Loopback &&
+                    ni.NetworkInterfaceType != NetworkInterfaceType.Tunnel &&
+                    !ni.Description.Contains("Virtual") && // 排除常见的虚拟网卡描述
+                    ni.Supports(NetworkInterfaceComponent.IPv4))
+                {
+                    var ipProperties = ni.GetIPProperties();
+                    // 获取单播地址（即分配的 IP 地址）
+                    var unicastAddresses = ipProperties.UnicastAddresses;
+
+                    foreach (var ua in unicastAddresses)
+                    {
+                        // 筛选出 IPv4 地址，且排除 127.0.0.1 回环地址
+                        if (ua.Address.AddressFamily == AddressFamily.InterNetwork && !IPAddress.IsLoopback(ua.Address))
+                        {
+                            // 优先返回有默认网关的地址（通常是当前正在上网的主网卡）
+                            if (ipProperties.GatewayAddresses.Any(g => g.Address.AddressFamily == AddressFamily.InterNetwork))
+                            {
+                                return ua.Address.ToString();
+                            }
+                        }
+                    }
+                }
+            }
+            return "未找到有效的局域网IPv4地址";
+        }
+
+    }
+}
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
index 3594401..b97900c 100644
--- a/ViewModel/MainWindowViewModel.cs
+++ b/ViewModel/MainWindowViewModel.cs
@@ -96,7 +96,8 @@ namespace SunlightAggregationManager.ViewModel
                 }
                 catch (Exception) { P2 = 7790; }
 
-                using var _ = AsyncTcpServer.TcpMain(P1,P2);
+                Console.WriteLine(GetLocalIP.GetLocalIPv4Address().ToString());
+                _ = AsyncTcpServer.TcpMain(P1,P2);
             }
         }