<cu-custom bgColor="bg-gradual-blue" > 
  <block bindtap="back" slot="backText" >返回</block> 
  <view slot="content">授权申请</view> 
</cu-custom> 
<view class="padding  flex  justify-center align-center bg-white"> 
    <button class="cu-btn bg-green" bindtap="SQ">点击授权</button> 
</view>