DedeV6/src/templets/default/widget_channels.htm

<div class="card ddcard">
    <div class="card-header">
        <div class="row">
            <div class="col-12 caption"><span>栏目列表</span></div>
        </div>
    </div>
    <ul class="list-group list-group-flush">
        {dede:channel type='son' currentstyle="<li><a href='~typelink~' class='active'>~typename~</a></li>"}
        <li><a href="[field:typeurl/]" title="[field:typename/]">[field:typename/]</a></li>
        {/dede:channel}
    </ul>
</div>
<!-- /.ddcard -->