{loop $list $v1}
  1.        [ID: {$v1['id']}] {$v1['name']} 添加二级分类 编辑 删除
    {if !empty($v1['second'])} {loop $v1['second'] $v2} {loop $v2['third'] $v3} {/loop} {/loop} {/if}
{/loop}
{$pager}