拖拽元素原容器放置前销毁，移除事件侦听器报错

https://github.com/user-attachments/assets/3b7d2d97-fe2b-4468-a3e4-cfb9058d6bb6

<img width="507" height="510" alt="Image" src="https://github.com/user-attachments/assets/f4e4d70d-67bc-458f-b855-9241d1030f79" />