HarmonyOS webview默认加载的页面如何设置默认加载移动端版本的页面

import webview from '@ohos.web.webview';

@Entry
@Component
struct Page2 {
  webController: webview.WebviewController = new webview.WebviewController();
  aboutToAppear(): void {
    webview.WebviewController.setWebDebuggingAccess(true)
  }
  build() {
    Row() {
      Column() {
        Web({src: "https://www.huawei.com;, controller:this.webController}).domStorageAccess(true)
          .onControllerAttached(() => {
          let newAgent = "Mozilla/5.0 (Phone; OpenHarmony 4.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 ArkWeb/4.1.6.1 Mobile";
          this.webController.setCustomUserAgent(newAgent)
        })
      }
      .width('100%')
    }
    .height('100%')
  }
}