swiper组件可以显示但是swiper-item审查元素都没有

<swiper

:indicator-dots="indicatorDots"

:autoplay="autoplay"

:interval="interval"

:duration="duration"

:circular="circular"

@change="swiperChange"

>

<block v-for="item in banner" :key="item">

<swiper-item>

<div>

<image :src="item.url" mode="scaleToFill"></image>

<div>

<div class="name">{{ item.name }}</div>

</div>

</div>

</swiper-item>

</block>

</swiper>