pbootcms多个栏目循环调用栏目内容

pbootcms多个栏目循环调用栏目内容  {pboot:nav parent=7 num=3}  <div class="news-item">      <div class="item-list news-list">          {pboot:list scode=[nav:scode] num=3 order=sorting}              <div class="pic pic-scale oh">                  <a href="[list:link]">                      <img src="[list:ico]" alt="[list:title]">                  </a>              </div>          {/pboot:list}      </div>  </div>  {/pboot:nav}