个人示例

<map class="map" id="map" longitude="{{longitude}}" latitude="{{latitude}}" scale="16" markers="{{markers}}" bindmarkertap="makertap" bindregionchange="mapchangeTap" >
    <cover-view class="tips-dialog">
      <cover-image src="/assets/img/dialog@2x.png" class="tips-dialog-img"></cover-image>
      <cover-view wx:if="{{xb_count}}" class="tips-dialog-txt">
        <cover-view class="xb">附近有{{xb_count}}位小帮</cover-view>
        <cover-view class="minute">
          <cover-view>预计最快</cover-view>
          <cover-view style="color:#FF6600;">{{min_time_text}}</cover-view>
          <cover-view>内到达</cover-view>
        </cover-view>
      </cover-view>
      <cover-view wx:else class="tips-dialog-txt2">附近暂无小帮</cover-view>
    </cover-view>
   <cover-image class="map-img" src="/assets/img/orientation@2x.png"/> 
  </map>

官方示例

<map
        style="width: 100%; height: 300px;"
        latitude="{{latitude}}"
        longitude="{{longitude}}"
      >
        <cover-view class="cover-view">
          <cover-view class="container">
            <cover-view class="flex-wrp" style="flex-direction:row;">
              <cover-view class="flex-item demo-text-1"></cover-view>
              <cover-view class="flex-item demo-text-2"></cover-view>
              <cover-view class="flex-item demo-text-3"></cover-view>
            </cover-view>
          </cover-view>
        </cover-view>
      </map>

小程序 cover-view 使用