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code/system/apps.py

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+from django.apps import AppConfig
+import logging
+from .management.commands.vdes_monitor import VDESSocketMonitor
+
+class SystemConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'system'
+
+    def ready(self):
+        # 确保只在主进程中启动（避免在开发服务器中启动两次）
+        if not self._is_runserver_with_reload():
+            self.start_vdes_monitor()
+        from .models import MessageFlag
+        try:
+            # 确保表创建完成后检查是否存在记录
+            if not MessageFlag.objects.exists():
+                MessageFlag.objects.create(has_new_message=False)
+                print("初始化 MessageFlag: 已创建默认记录")
+        except:
+            print("初始化 MessageFlag 失败")
+    
+    def _is_runserver_with_reload(self):
+        """检查是否在开发服务器的重载进程中"""
+        import sys
+        return 'runserver' in sys.argv and '--noreload' not in sys.argv
+    
+    def start_vdes_monitor(self):
+        """启动 VDES 监控服务"""
+        monitor = VDESSocketMonitor()
+        monitor.start()
+        logger = logging.getLogger(__name__)
+        logger.info("VDES 监控服务已启动")