<view class="activity-ad" a:if="{{componentData && componentData.serviceList && componentData.serviceList.length}}">
  <view class="activity-type">
    <service-title 
      class="title"
      imgSrcPrefix="{{imgSrcPrefix}}"
      componentData="{{componentData}}"/>
    <service-market-activity
      imgSrcPrefix="{{imgSrcPrefix}}"
      serviceList="{{componentData.serviceList}}"/>
  </view>
</view>