{if condition="isset($item) and isset($item['pictureurls']) and !isset($item['shorttitle']) and $item['pictureurls'] neq null" }
{volist name="item['pic_url']" id="pic"}
设为封面
{/volist}
{/if}
{if condition="isset($item) and isset($item['shorttitle']) and $item['litpic'] neq null" }