diff --git a/src/plugin_system/core/event_manager.py b/src/plugin_system/core/event_manager.py
index ea3d04a70..a9ffc0d62 100644
--- a/src/plugin_system/core/event_manager.py
+++ b/src/plugin_system/core/event_manager.py
@@ -2,7 +2,7 @@
 事件管理器 - 实现Event和EventHandler的单例管理
 提供统一的事件注册、管理和触发接口
 """
-
+import asyncio
 from typing import Dict, Type, List, Optional, Any, Union
 from threading import Lock
 
@@ -39,6 +39,7 @@ class EventManager:
         self._event_handlers: Dict[str, Type[BaseEventHandler]] = {}
         self._pending_subscriptions: Dict[str, List[str]] = {}  # 缓存失败的订阅
         self._initialized = True
+        self.event_handle_lock = asyncio.Lock()
         logger.info("EventManager 单例初始化完成")
     
     def register_event(self, event_name: Union[EventType, str]) -> bool:
@@ -281,8 +282,8 @@ class EventManager:
         if event is None:
             logger.error(f"事件 {event_name} 不存在，无法触发")
             return None
-            
-        return await event.activate(params)
+        async with self.event_handle_lock:
+            return await event.activate(params)
     
     def init_default_events(self) -> None:
         """初始化默认事件"""