<div class="col-md-6">
  <input id="liveUsedInfo" type="hidden"
         value='{% if chartInfo.liveUsedInfo %}{{ chartInfo.liveUsedInfo }}{% else %}{{ "[]" }}{% endif %}'>
  <div class="panel panel-default">
    <div class="panel-heading">
      <h3 class="panel-title">{{ 'admin.edu_cloud.edu_live.student_num'|trans }}</h3>
    </div>
    <div class="panel-body" id="live-data-tab" style="height: 250px;"></div>
  </div>
</div>
