Problem description: The style of ANTD van-Dropdown-menu is not correct, and the gap between the top and the top is very large. I found many reasons, and the distance between the top and the height of TAB is almost the same. Sure enough, it is caused by the use of TAB.

It’s not in TAB, it’s expanding properly; In TAB, show exceptions:

Solution:

Do not use animate and swipeable on TAB.

There is an issue with using the dropdownMenu in the Tabs component