vant swipe插件应用时报错

#页面加载之后banner不轮播，手动滑动之后报错，“width” of null，当改变浏览器宽度时又恢复正常

给 vant-swiper加个宽度试试 :width="300"

Vant - Mobile UI Components built on Vue Mobile UI Components built on Vue https://vant-contrib.gitee.io/vant/#/zh-CN/swipe