Picker组件

[Zyyao11]

Do you want to request a feature or report a bug (建议还是bug) ?
建议 bug 都有
What is the current behavior? (现有状况)
官网链接https://weui.github.io/react-weui/docs/#/react-weui/docs/page/1/articles/52
picker 显示不正常 ，麻烦请给出能用的demo
一级的本地可以，多级选择不显示，
What is the expected behavior? （应有状况）
官网链接应该正常可选
Which versions of React-weui, weui, and which OS and device are affected by this issue? (React-weui版本 weui版本 机型和系统)
"weui": "^1.1.0", weuijs/1.1.4 "react-weui": "^1.1.3",