reader/pages/my/gzh/index.wxml

<view class="activationModal" wx:if="{{show}}">
    <view class="modal">
        <image src="{{qrCode}}" class="qrCode" show-menu-by-longpress="true" />
    </view>
    <image src="/static/lollipop.png" class="close" catchtap="closeModal" />
</view>