diff --git a/robot.py b/robot.py
index 0b004d7..ee7cdff 100644
--- a/robot.py
+++ b/robot.py
@@ -467,6 +467,17 @@ class Robot(Job):
     async def process_plugin_message(self, msg) -> bool:
         """使用插件处理消息"""
         # 获取所有消息处理插件
+        # TODO 关闭12:30-05:00的系统交互，降低被风控风险。
+        # 关闭12:30-05:00的系统交互，降低被风控风险
+        current_hour = time.localtime().tm_hour
+        current_minute = time.localtime().tm_min
+        is_sleep_time = (current_hour == 0 and current_minute >= 30) or (1 <= current_hour < 5)
+        
+        if is_sleep_time:
+            # 只处理特定消息，如管理员消息或紧急消息
+            if from_user != self.wxid and not self._is_admin_message(message):
+                self.LOG.info(f"夜间休眠时间(00:30-05:00)，忽略消息: {message}")
+                return False
         message_plugins = self.plugin_registry.get_plugins_by_type(MessagePluginInterface)
         if not message_plugins:
             return False