织梦怎么循环调用二级栏目下三级栏目

{dede:channelartlist  cacheid='channelsonlist' typeid=3 }
 <dd>
    <dl>
      <dt><a href="{dede:field name='typeurl'/}">{dede:field name='typename'/}</a></dt>
      <dd>
        <ul>
        {dede:channel type='sun' row='10' noself='yes'}
        <li><a href="[field:typeurl/]">[field:typename/]</a></li>
        {/dede:channel}
        </ul>
      </dd>
    </dl>
  </dd>
 {/dede:channelartlist}