mp-weixin-2285-xcx.aigc-quickapp.com/components/toTop/toTop.wxml

<image class="{{['mescroll-totop',value?'mescroll-totop-in':'mescroll-totop-out']}}" src="{{$root.g0}}" mode="widthFix" data-event-opts="{{[['tap',[['toTopClick',['$event']]]]]}}" bindtap="__e"></image>