打开菜单时至少显示4行的空间，鼠标移上去后竟然出现滚动条。（2.5.6没有此bug） <img width="398" alt="Image" src="https://github.com/user-attachments/assets/0a99d168-30b8-430f-9c19-96b597415bae" /> <img width="466" alt="Image" src="https://github.com/user-attachments/assets/0fb05168-5cea-4e5c-839c-96ae888af9bb" /> <img width="459" alt="Image" src="https://github.com/user-attachments/assets/161cf974-32f1-4fa4-94af-54f4b6baade8" />
