为什么我使用 infinitescroll 组件频繁报错的呢？ about vue-ydui HOT 4 CLOSED

<div class="filterbar-wrap">
  <div class="filter-bar">
    <div class="ck-search">
      <i class="iconfont">&#xe602;</i>
    </div>
    <ul class="sort-tab">
      <li class="sort current selected">销量优先<i class="iconfont">&#xe605;</i></li>
      <li class="sort">销量优先<i class="iconfont">&#xe605;</i></li>
      <li class="sort">筛选<i class="iconfont">&#xe605;</i></li>
    </ul>
  </div>
</div>

<div class="goods-list">
  <yd-infinitescroll :on-infinite="loadList">

    <yd-list theme="3" slot="list">
      <yd-list-item v-for="product in productList" :data-pid="product.id">
        <img slot="img" :src="product.prodPic">
        <span slot="title">{{product.prodTitle}}</span>
        <yd-list-other slot="other">
          <div>
            <span class="list-price"><i class="vip">会员</i>￥{{product.memberPoint}}+{{product.pointPrice}}<em>积分</em></span><br>
            <span class="list-del-price">原价∶￥{{product.orgPrice}}</span>
          </div>
        </yd-list-other>
      </yd-list-item>
    </yd-list>

    <!-- 数据全部加载完毕显示 -->
    <span slot="doneTip">---------------------- 我们是有底线的 ---------------------- </span>

    <!-- 加载中提示 -->
    <img slot="loadingTip" src="http://static.ydcss.com/uploads/ydui/loading/loading10.svg"/>

  </yd-infinitescroll>
</div>