api 9 安装ohos/pulltorefresh@2.0.1报错误

 ohpm install @ohos/pulltorefresh@2.0.1
ohpm INFO: fetching meta info of package '@ohos/pulltorefresh'
ohpm WARN: fetch meta info of package '@ohos/pulltorefresh' failed - GET https://registry.npmjs.org/@ohos/pulltorefresh 404
ohpm ERROR: NOTFOUND package "@ohos/pulltorefresh" not found from all the registries https://registry.npmjs.org/
ohpm ERROR: handlerError execute tasks failed, Error: FetchPackageInfo: @ohos/pulltorefresh failed
Install failed

解决步骤：

1，配置代理：

2，在Terminal 执行

 npm config set registry https://registry.npmjs.org

3，安装

 ohpm install @ohos/pulltorefresh@2.0.1 

4，效果：