<!--促销标题cell-->
 <view class="promotionContainer">
  <text class="promotionHeader">已参与活动</text>
  <block tt:for="{{data.promotionList}}" tt:key="item">
    <text class="promotionTitle">• {{item.promotion_title}}</text>
  </block>
  <view class='sepLineStyle'>
  </view>
</view>