{if $t2.child}
<ul class="dropdown-menu pull-left">
    <!--第三层：调用type=0的网站导航数据-->
    {category module=share pid=$t2.id return=t3}
    <li class="{if IS_SHARE && in_array($catid, $t3.catids)} active{/if}">
        <a href="{$t3.url}" title="{$t3.name}">
            {$t3.name}
        </a>
    </li>
    {/category}
</ul>
{/if}