phpcms调取当前栏目下的二级栏目 排序

<span style="font-size:14px;">{if $top_parentid}  
    <div class="subnav">  
    {pc:content action="category" catid="$top_parentid" num="15" siteid="$siteid" order="listorder ASC"}  
    <span style="white-space:pre">  </span>{loop $data $r}  
        <a href="{$r[url]}">{$r[catname]}</a><span> | </span>  
        {/loop}  
        {/pc}  
    <a href="{APP_PATH}index.php?m=video&c=index&a=album">视频专辑</a><span> | </span>  
        {if $modelid}<a href="{APP_PATH}index.php?m=content&c=search&catid={$catid}">搜索</a>{/if}  
    </div>  
{/if}</span>