- [x] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate. ### Version 3.0.0-beta.9 ### Environment Mac 12.1, Chrome 98, Vue 3 ### Reproduction link [](https://codesandbox.io/s/mention-bug-1ikyy) ### Steps to reproduce 输入 @,点击弹出框里面的选项,没有选中点击的选项 ### What is expected? 应该选中点击的选项 ### What is actually happening? 看了一下 ant design react 的代码,逻辑上应该是出发 DropdownMenu.jsx 文件下的 onFocus 事件,但实际上该事件没有触发 <!-- generated by issue-helper. DO NOT REMOVE -->