jeecms子栏目或者文章页导航父栏目选中解决方法

jeecms在子栏目或者文章页导航父栏目选中，看例子

<div class="nav">
  <ul>
    [@cms_channel_list ]
    <li [#if !channel??]class="active"[/#if]><a href="${base}/">首页</a></li>

    [#list tag_list as c]
        [#if channel??]
        <li [#if channel.id==c.id||channel.nodeList[0].id==c.id]class="active"[/#if]><a href="${c.url}">${c.name}</a></li>
        [#else]
        <li><a href="${c.url}">${c.name}</a></li>
        [/#if]
    [/#list]
    [/@cms_channel_list]
  </ul>
</div>