<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>