tem-icon mdui-icon material-icons mdui-text-color-green">ondemand_video</i>
        <a class="mdui-list-item-content" href="/videos">视频管理</a>
      </li>
      <li class="mdui-list-item mdui-ripple mdui-list-item-active">
        <i class="mdui-list-item-icon mdui-icon material-icons mdui-text-color-deep-orange">device_hub</i>
        <a class="mdui-list-item-content" href="/tags">标签管理</a>
      </li>
      <li class="mdui-list-item mdui-ripple">
        <i class="mdui-list-item-icon mdui-ic