<!--pages/downZS/index.wxml-->
<view class="downZS">
  <image class="downZS" src="{{ls_url}}" mode="aspectFit"></image>
  <van-button class="btn" color="linear-gradient(to right, rgb(255, 96, 52), rgb(238, 10, 36))" size="normal" bind:tap="download">
    下载
  </van-button>
</view>