swiper移动端上左右滑动不了

var swiper = new Swiper('.swiper-container', {    mode: 'horizontal',    pagination: '.swiper-pagination',    loop: true,    observer: true,//修改swiper自己或子元素时，自动初始化swiper    observeParents: true//修改swiper的父元素时，自动初始化swiper});

来源：https://www.cnblogs.com/lude1994/p/11364670.html