HarmonyOS Web加载某些网页时，会默认加载电脑端的网页，不会加载手机端的自适应网页

import web_webview from '@ohos.web.webview' 
 
@Entry 
@Component 
struct WebComponent { 
  controller: web_webview.WebviewController = new web_webview.WebviewController() 
 
  build() { 
    Column() { 
      Web({ src: 'www.huawei.com', controller: this.controller }) 
        .width('100%') 
        .mixedMode(MixedMode.All) 
        .onControllerAttached(() => { 
          this.controller.setCustomUserAgent("Mozilla/5.0 (Phone; Android; OpenHarmony 4.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 ArkWeb/4.1.6.1 Mobile") 
        }) 
    } 
  } 
}
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