<view class="h2w__yumlBox">
    <view style="width:{{size.w}}em;" class="h2w__yumlView">
        <image class="{{attr.class}}" src="{{attr.src}}" style="width:{{size.w}}em; height:{{size.h}}em;" lazy-load="true" mode="aspectFill" bindload="load"></image>
    </view>
</view>