<div class="row">
<div class="col-12 box">
<div class="xysimg dttp">
<img src="{php $c = $t['imgurls'][0];}" class="product-xysimg" data-num="1"/><span class="text">{$title}</span>
</div>
</div>
</div>
<div class="row">
<div class="col-12">
<div class="cpxq_tp_swiper">

<div class="swiper-wrapper">
{loop $imgurls $i $c}
    <div class="swiper-slide">
    <div class="xysimg tp active"><img src="{dr_get_file($c.file)}" alt="{$c.title}" class="product-xysimg"/></div>
    </div>
{/loop}
    </div>
    <!-- 如果需要导航按钮 -->
    <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div>
</div>
</div>

多图调用，我的第一张图调用显示是空白的，请问是怎么回事呢