zhw
Combining the document for review, it appears that this feature has not yet been implemented. When a "child" exists, what is actually rendered is not a "MenuItem" but a "SubMenu",...
@li-jia-nan 哥，这个需要做不
> 感谢贡献，功能实现是OK的~ > > 由于该issue有多人认领，所以当前pr先不合入哈 ok，那个问题我再看看
已成功领取本issue
It should be a bug with field-form.
> 这样 Textarea 上会多传进去一个 allowClear 属性。 不会吧，其实allowClear根本没有传给InternalMentions