织梦列表页每5行产生一个ul标签写法

<ul class="news-list">
{dede:list}
[field:global name='autoindex' runphp='yes']
@me = ((@me-1)%5==0 && @me != 1) ? '</ul><ul class="news-list">':'';
[/field:global]
<li><span>[field:pubdate function="MyDate('Y-m-d',@me)"/]</span><a href="[field:arcurl/]" title="[field:title/]" target="_blank">[field:title/]</a></li>
{/dede:list}
</ul>