diff --git a/chatserver/Program.cs b/chatserver/Program.cs
index 712c744..1da1fd7 100644
--- a/chatserver/Program.cs
+++ b/chatserver/Program.cs
@@ -186,8 +186,8 @@ namespace chatserver
                                     return;
                                 }
                                 // 获取发送者完整端点（IP: 端口）
-                                string senderEndpoint = socket.RemoteEndPoint?.ToString() ?? "Unknown";
-                                // ==== 修改1：使用完整端点验证（非IP部分）====
+                                string senderEndpoint = socket.RemoteEndPoint?.ToString() ?? "Unknown:0";
+                                // ==== 修改：使用完整端点验证（非IP部分）====
                                 var loginUser = LoginUser.FirstOrDefault(u => u.LoginIP == senderEndpoint && u.UserId == chatData.userid);
                                 if (loginUser == null || loginUser.token != chatData.token)
                                 {