index.wxml 
<swiper
   vertical
   circular
   class="swiper"
   easing-function="linear"
   current="{{rootIndex}}"
   bindchange="onSwiperChange"
   data-time="{{lastTapTime}}"
   bindtap="doubleClick"
   duration="{{300}}"
  >
    <swiper-item
     wx:for="{{lives}}"
     wx:key="liveId"
     class="swiper-item"
    >
        <live-player-wrapper
         live="{{item}}"
         initialized="{{initialized}}"
         isActive="{{rootIndex === index}}"
         definition="{{definition}}"
         videoQualityInfo="{{videoQualityInfo}}"
         protocols="{{protocols}}"
         definitions="{{u.getDefinitions(lives, rootIndex, protocols)}}"
         bind:onDefinitionItemClick="onDefinitionItemClick"
        />
    </swiper-item>
  </swiper>

live-player-wrapper.wxml
  <live-player
   wx:if="{{isActive}}"
   muted='{{false}}'
   object-fit='fillCrop'
   src='{{playerSource}}'
   mode='live'
   class="full-screen"
   autoplay
   picture-in-picture-mode="{{['push']}}"
   bindstatechange="onStateChange"
   binderror="onError"
  />  就这个简单的代码，判断 rootIndex === index 展示live-player，我打印rootIndex， index都没问题，
就是滑动切换的时候，上一个live-player 也不会被销毁，一直切换，一直都不销毁，就鸿蒙小程序是这样，这很简单的代码，
还有就是，有live-player容器，如果swiper-item 或者父容器有点击事件，鸿蒙小程序点击事件也会失效，问题太多了