小程序自定义组件中slot 中data-id 无法在外层 bind tap 获取到？

Question

<view class="container"    style="flex-direction:{{vertical?'column':'row'}}" bindtap='onCheckedChanged'>   <slot></slot> </view> <xradiogroup vertical="{{false}}">   <view class="radio checked" data-id="{{0}}">A</view>   <view class="radio uncheck" data-id="{{1}}">B</view>   <view class="radio uncheck" data-id="{{2}}">C</view> </xradiogroup> methods: {     onCheckedChanged:function(e){       console.log(e);       var select = e.target.dataset.id;       console.log('selected ->' + select);     }   }