swiper组件不显示图片了，css样式没写,能获取js数据

<view class=“container”>

<view class=‘nav’>

<swiper indicator-dots=“{{indicatorDots}}” autoplay=“{{autoplay}}” interval=“{{interval}}” duration=“{{duration}}”>

<block wx:for=“{{imgUrls}}” wx:key=“imgUrls” >

<!-- <swiper-item> –>

<image src=‘{{item}}’ />

<!-- </swiper-item> –>

</block>

</swiper>

</view>

<view wx:for=“{{imgUrls}}”>

<image src=‘{{item}}’ />

</view>

</view>