pbootcms模板文章列表没有缩略图时也不显示默认图片(1)

{pboot:list scode={sort:scode}}
    <a href="[list:link]" rel="external nofollow" title="[list:title]">
        <div class="flex-column">
            {pboot:if('[list:isico]'=='1')}
                <img src="[list:ico]" alt="[list:title]">
            {/pboot:if}
            <div class="text-box">
                <h4>[list:title]</h4>
                <p class="intro hidden-sm">[list:content drophtml=1 dropblank=1 lencn=120]</p>
                <p>
                    <span><i class="fa fa-clock-o" aria-hidden="true"></i> [list:date style=Y-m-d]</span>
                    <span><i class="fa fa-eye" aria-hidden="true"></i> [list:visits] 浏览</span>
                    <span><i class="fa fa-thumbs-up" aria-hidden="true"></i> [list:likes] 点赞</span>
                </p>
            </div>
        </div>
    </a>
{/pboot:list}