daliangzao/customized/pages/made/combination/combination.wxml

<canvas canvas-id="comb-canvas" class="comb-content"></canvas>
<!-- <view style="position:fixed;top:999999999999999999999rpx;"> -->
    <canvas canvas-id='comb-img' class='comb-img'  hidden='{{canvasHidden}}'></canvas>
    <canvas canvas-id='comb-font' class='comb-font'  hidden='{{canvasHidden}}'></canvas>
<!-- </view> -->
<image src='{{buildSrc}}'></image>
 <!-- // "disableScroll": true -->