is the data obtained by the back-end interface ajax?

try
this.$nextTick (() = > {

swiper.init() // swiper

})

setTimeout (function () {

              var mySwiper = $('-sharpswiper1').swiper({
            loop: true,
            autoplay: 4000, //ms        
            speed: 500, //:ms        
            autoplayDisableOnInteraction: false, //true        
            observer: true, //swiperswiper        
            observeParents: true, //swiperswiper        
    });
               },500);

package
with a delay timer or put the js initializing swiper after the code that dynamically loads the picture