设置了top，bottom但是没有滚动

    <scroll class="slide-contents-list" :top="133" :bottom="48" ref="scroll">
      <div class="slide-contents-item"  v-for="(item, index) in navigation" :key="index" >
        <span class="slide-contents-item-label" >{{ item.label}}</span>
        <span class="slide-contents-item-page">{{ item.page}}</span>
      </div>
    </scroll>