{$vo.title} {if !empty($vo['children'])} {if $key == 2}

{hcTaglib:contentDetail id='1682' mainField="id,title,description,sub_title" name="contentDetail" }
{$contentDetail.description|raw}

{$contentDetail.title}：
{$contentDetail.sub_title}
{/hcTaglib:contentDetail}

{volist name="$vo.children" id="vv" }

{$vv.title}
{volist name="$vv['children']" id="vk"} {$vk.title} {/volist}
{/volist}

{else /}

{hcTaglib:contentDetail id='1682' mainField="id,title,description,sub_title" name="contentDetail" }

{$contentDetail.title}：
{$contentDetail.sub_title}
{/hcTaglib:contentDetail}

{volist name="vo.children" id="vv" } {$vv.title} {/volist}

{/if} {/if}

{$vo.title}
{$vo.title} {if !empty($vo['children'])} {/if} {if !empty($vo['children'])}
{volist name="$vo.children" id="vv" }
{$vv.title} {if !empty($vv['children'])} {/if} {if !empty($vv['children'])}
{volist name="$vv.children" id="vk"} {$vk.title} {/volist}
{/if}
{/volist}
{/if}