HarmonyOS 首页频道多个列表，列表已经使用了lazyforeach，但新闻查看过多后，视频Video黑屏无法播放

import { VideoPlayer } from './VideoPlayer'; 
import { VideoItem, myVideoSourceDate } from './MyDataSource'; 
 
@Entry 
@Component 
struct Index { 
  @State sources: VideoItem[] = [ 
    { 
      videoUrl: 'https://xxx.xxx.com/mda-pmia5y0htmibjej2/576p/h264/xxxx/mda-pmia5y0htmibjej2.mp4?auth_key=1703155514-0-0-a92de0b6c32239b242d0e51b151ee2d6&bcevod_channel=searchbox_feed&cr=1&cd=0&pd=1&pt=4&logid=2714832517&vid=9811936085320099438&abtest=all', 
      title: '我们只是拿某站的数据进行一下测试' 
    } 
  ] 
  @State curIndex: number = 0; 
  @State firstFlag: boolean = true; 
  private swiperController: SwiperController = new SwiperController(); 
 
  build() { 
    Swiper(this.swiperController) { 
      LazyForEach(new myVideoSourceDate(this.sources), (item: VideoItem, index: number) => { 
        VideoPlayer({ curSource: item, curIndex: this.curIndex, index: index, firstFlag: this.firstFlag }) 
      }, (item: string, index: number) => JSON.stringify(item) + index) 
    } 
    .width('100%') 
    .height('100%') 
    .index($$this.curIndex) 
    .vertical(true) 
    .loop(false) 
    .indicator(false) 
    .backgroundColor(Color.Black) 
  } 
}
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