<view class="scan-container" style="height:calc(44vh - 120rpx - {{titleBarHeight}}px)">
  <view class="bottom">
    <view class="scan-box">
      <view class="scan-icon" onTap="onHandleScan" ></view>
      <view class="scan-desc">扫码快速通行</view>
    </view>
  </view>
</view>