Web嵌套滑动卡顿怎么办？

import web_webview from '@ohos.web.webview' 
 
@Entry 
@Component 
struct ScrollPage { 
  private scrollerForScroll: Scroller = new Scroller() 
  private scrollerForList: Scroller = new Scroller() 
  private arr: number[] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] 
  controller: web_webview.WebviewController = new web_webview.WebviewController() 
 
  build() { 
    Scroll(this.scrollerForScroll) { 
      Column() { 
        Web({ src: 'https://www.harmonyOS.com/', controller: this.controller }) 
          .width('100%') 
          .height('50%') 
        List({ space: 20, scroller: this.scrollerForList }) { 
          ForEach(this.arr, (item: number) => { 
            ListItem() { 
              Text("ListItem" + item) 
                .width("100%") 
                .height("100%") 
                .textAlign(TextAlign.Center) 
            }.width("100%").height(100) 
          }, (item: string) => item) 
        }.width("100%") 
        .height('80%') 
        .nestedScroll({ 
          scrollForward: NestedScrollMode.PARENT_FIRST, 
          scrollBackward: NestedScrollMode.SELF_FIRST 
        }) 
      } 
    }.width('100%') 
    .height('100%') 
    .padding(10) 
  } 
}