鸿蒙没有应用下载安装，只支持跳转到应用市场更新

gotoMarket(){try {const request: Want = {parameters: {// 此处填入要加载的应用包名，例如： bundleName: "com.huawei.hmsapp.appgallery"bundleName: 'com.huawei.hmos.maps.app'}};productViewManager.loadProduct(getContext(this) as common.UIAbilityContext, request, {onError: (error: BusinessError) => {hilog.info(0, 'TAG', `loadProduct onError. code is ${error.code}, message is ${error.message}`);}});} catch (err) {hilog.error(0, 'TAG', `loadProduct failed. code is ${err.code}, message is ${err.message}`);}}