• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

我设置了cascader的changeOnSelect属性为true，想要的效果是，某个一级选项disabled不能被选中作为value，但是其下级的选项依然可以展开被选中，请问该如何实现？

What does the proposed API look like?

我尝试了设置expandTrigger="hover"，但是也无法展开下级选项