weui的mp-checkbox如果在app.json进行全局注册，会引发警告 Some selectors are not allowed in component wxss, including tag name selectors, ID selectors, and attribute selectors.(./miniprogram_npm/weui-miniprogram/checkbox/checkbox.wxss:1:79

但是如果仅在页面的.json中注册，则不会引发该警告，这个组件不能进行全局注册吗？