<cover-view slot="callout">

<cover-view class="backImg" :marker-id="item.id" v-for="(item,index) in markers" :key='index'>

<cover-image class="cover-image-T" src="/static/images/ellipse.png"></cover-image>

<cover-view class="cover-image-B" style="z-index: 100;">

<cover-image class="cover-image-B-I" @load='suc' @error='why' :src="item.iconPath">

</cover-image>

</cover-view>

</cover-view>

</cover-view>