diff --git a/vn.event/eventEngine.py b/vn.event/eventEngine.py
index 2ceada00..703867c3 100644
--- a/vn.event/eventEngine.py
+++ b/vn.event/eventEngine.py
@@ -143,7 +143,7 @@ class EventEngine:
         """注销事件处理函数监听"""
         # 尝试获取该事件类型对应的处理函数列表，若无则忽略该次注销请求
         try:
-            handlerList = self.handlers[type_]
+            handlerList = self.__handlers[type_]
             
             # 如果该函数存在于列表中，则移除
             if handler in handlerList:
@@ -193,4 +193,4 @@ def test():
     
 # 直接运行脚本可以进行测试
 if __name__ == '__main__':
-    test()
\ No newline at end of file
+    test()