华为鸿蒙2.0系统新建项目报错项目配置异常是怎么回事 harmonyos2.0 ProjectConfigurationException

1，Unable to download the HarmonyOS SDK. proxyHost should not be null when a proxy is specified
2华为鸿蒙2.0系统新建项目报错项目配置异常是怎么回事 harmonyos2.0 ProjectConfigurationException