< div class= "pull-info-info" >

 <div v-html="detaisContent"></div>          

< / div >
detaisContent = "contains pictures

better () {/ / BScroll

this.$nextTick(() => {
    if(!this.scroll){
        this.scroll = new BScroll(this.$refs.questionsWrapper, {
            click:true
        })
    }else {
        this.scroll.refresh()
    }
})

},

mounted () {

this.better()  //BScroll

},

/ / I can"t use the following method either
watch: {

GoodsDetaiInfo(newValue){
    this.$nextTick(() => {
         this.scroll.refresh()
    })
}

}