shyaf-artist-platform-miniapp/pages/invitation/evidence/index.wxml

<!-- 邀请函 - 入场凭证 -->
<view class="container">
  <!-- 二维码 -->
  <view class="container_qrcode">
    <image 
      mode="widthFix"
      src="https://resource.artouchstone.com/miniapp/artist/images/activity/1.jpg" >
    </image>
    <canvas class="canvas-code"canvas-id="myQrcode"></canvas>
  </view>
</view>