swiper 与cover-image 组合 轮播失效

模拟器 [图片] 真机 [图片] 代码片段 <swiper class="swiper-wrap" indicator-dots="{{indicatorDots}}" autoplay="{{autoplay}}" vertical="{{vertical}}" interval="{{interval}}" duration="{{duration}}" easing-function="linear"> <block wx:for="{{background}}" wx:key="*this"> <swiper-item class="swiper-item"> <cover-image src="{{item}}"></cover-image> </swiper-item> </block> </swiper>