mini-ar-demo/miniprogram/pages/scaner/scaner.wxml

<view class="page">
  <!-- <navigation-bar title="{{'四维AR'}}" back="{{true}}" /> -->
  <view class="loading" wx:if="{{!loaded}}">
    <image src="https://houseoss.4dkankan.com/mini-ar-test/loading.svg" />
    <text>{{progress}}% </text>
  </view>
  <ar-tracker disable-scroll id="main-frame" width="{{renderWidth}}" height="{{renderHeight}}" style="width:{{width}}px;height:{{height}}px;" bind:progress="handleProgress" bind:loaded="handleLoaded" />
</view>