<view class="navigation {{isFixedTop > 0 ? 'active' : ''}}" style="padding-top:{{barHeight}}px;">
    <image bindtap="returnGo" class="navigation-arrow" src="{{isFixedTop > 0 ? '/static/icons/arrowBlack.png' : '/static/icons/arrowWrite.png'}}"></image>
</view>

<image class="img" src="https://cdn.shuiganying.com/images/2023/07/18/623c42d2fd4aa37246747693a18ae320.png" mode="widthFix"></image>