<div class="col-xs-12 col-sm-4 col-md-3">
<div class="left_nav" id="categories">
<h2 class="left_h2">Categories</h2>
<ul class="left_nav_ul" id="firstpane">
{eyou:channel type='first' id='field' currentstyle='biglink'}
<li> <a class="{$field.currentstyle}" href="{$field.typeurl}">{$field.typename}</a><span class="menu_head">+</span>
<ul class="left_snav_ul menu_body">
</ul>
</li>
{/eyou:channel}
</ul>
</div>
</div>
首页调用这段代码，不显示导航，是需要弄哪里