织梦标签channel如何实现列表页调用当前栏目的子类

{dede:channel type='son' row='10' currentstyle="<li class='hover'><a href='~typelink~' ~rel~><span>~typename~</span></a></li>"} 
<li class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-19"><a href="[field:typeurl/]">[field:typename/]</a></li> 
{/dede:channel}