<swiper autoplay="true" display-multiple-items="{{1}}" interval="{{2000}}" indicator-dots="{{bannerPoint}}" indicator-active-color="rgba(255, 255, 255, 1)" class="banner-swiper-box">
<block wx:for="{{bannerList}}" wx:key="*this">
<swiper-item>
<view class="swiper-item " style="background-image:url('{{item.picture}}')" data-data="{{item}}" bindtap="bindBnner"></view>
</swiper-item>
</block>
</swiper>
请具体描述问题出现的流程,并提供能复现问题的简单代码片段(https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html)。