Traffic-widget/miniprogram/components/tabs/tabs.wxml

<!--components/tabs/tabs.wxml-->
<view class="videoTabs">
  <view wx:for="{{tabList}}" wx:key="id" class="{{tab === item.id ? 'videoTab active' : 'videoTab'}}"
    data-id="{{item.id}}" bindtap="clickTab">
    {{item.title}} 
    <text wx:if="{{item.number}}" class="num">{{item.number}}</text>
  </view>
</view>