saas_miniprogram/pages3/static/polyv-sdk/components/chapter/chapter.wxml

<!-- <view class="plv-mp-chapter-wrap"> -->
<scroll-view scroll-y class="plv-mp-chapter-list plv-mp-skin__{{ skin }}">
  <view
    wx:for="{{ list }}"
    wx:for-index="index"
    wx:for-item="item"
    wx:key="index"
    class="plv-mp-chapter-item {{ curIndex === index ? 'plv-mp-chapter-item-selected' : '' }}"
    bindtap="tapChapterItem"
    data-index="{{ index }}"
  >
    <image
      class="plv-mp-chapter-item__icon"
      src="{{ curIndex === index ? '../../assets/images/icon-chapter-onfocus.png' : ('../../assets/images/' + skin + '/icon-chapter-normal.png') }}"
    ></image>
    <view class="plv-mp-chapter-item__content">
      <text>{{ item.title }}</text>
      <text>{{ item.duration }}</text>
    </view>
  </view>
</scroll-view>
<!-- </view> -->