<div class="ui pointing secondary menu setting">
  <a class="item {s_tab.first?'active':''}" on-click="{this.active('first')}">成本维护</a>
  <a class="item {s_tab.second?'active':''}" on-click="{this.active('second')}">用户列表</a>
  <a class="item {s_tab.third?'active':''}" on-click="{this.active('third')}">统计任务</a>
</div>

<div class="ui bottom attached tab segment {s_tab.first?'active':''}">
  <h1 class="ui header">产品成本维护</h1>

  <a class="ui button large right floated" tabin