-tree>
              </td>
            </tr>
            <tr ng-if="!$ctrl.logs">
              <td class="text-center text-muted" colspan="5">加载中...</td>
            </tr>
            <tr ng-if="$ctrl.logs.length === 0">
              <td class="text-center text-muted" colspan="8">
                没有可用的日志。
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <div class="footer" ng-if="$ctrl.logs">
        <datatable-pagination limit="$ctrl.limit