fix: 使用互斥锁确保数据写入的顺序性

server/src/UdpServer.cs

@@ -346,25 +346,28 @@ public class UDPServer
         return retPack.Value;
     }
 
-    private void ReceiveHandler(byte[] data, IPEndPoint endPoint)
+    private async Task ReceiveHandler(byte[] data, IPEndPoint endPoint, DateTime time)
     {
-        // Handle RemoteEP
-        if (endPoint is null)
+        // 异步锁保护 udpData
+        await Task.Run(() =>
         {
-            logger.Debug($"Receive Data from Unknown at {DateTime.Now.ToString()}:");
-            logger.Debug($"  Original Data : {BitConverter.ToString(data).Replace("-", " ")}");
-            return;
-        }
+            lock (udpData)
+            {
+                // Handle RemoteEP
+                if (endPoint is null)
+                {
+                    logger.Debug($"Receive Data from Unknown at {DateTime.Now.ToString()}:");
+                    logger.Debug($"  Original Data : {BitConverter.ToString(data).Replace("-", " ")}");
+                    return;
+                }
 
-        // 异步处理数据包
-        Task.Run(() =>
-        {
-            var udpData = RecordUDPData(data, endPoint, Convert.ToInt32(data[1]));
-            PrintData(udpData);
+                var udpDataObj = RecordUDPData(data, endPoint, time, Convert.ToInt32(data[1]));
+                PrintData(udpDataObj);
+            }
         });
     }
 
-    private UDPData RecordUDPData(byte[] bytes, IPEndPoint remoteEP, int taskID)
+    private UDPData RecordUDPData(byte[] bytes, IPEndPoint remoteEP, DateTime time, int taskID)
     {
         var remoteAddress = remoteEP.Address.ToString();
         var remotePort = remoteEP.Port;
@@ -374,7 +377,7 @@ public class UDPServer
             Port = remotePort,
             TaskID = taskID,
             Data = bytes,
-            DateTime = DateTime.Now,
+            DateTime = time,
             HasRead = false,
         };
 
@@ -482,7 +485,7 @@ public class UDPServer
                         try
                         {
                             UdpReceiveResult result = await client.ReceiveAsync();
-                            ReceiveHandler(result.Buffer, result.RemoteEndPoint);
+                            ReceiveHandler(result.Buffer, result.RemoteEndPoint, DateTime.Now);
                         }
                         catch (Exception ex)
                         {
@@ -510,6 +513,7 @@ public class UDPServer
             item.Close();
         }
         this.isRunning = false;
+
     }
 }