code: protected void doUnRegister(String serviceName, ProviderInfo providerInfo) {
  
          UnPublishServiceRequest unPublishServiceRequest = new UnPublishServiceRequest();
          unPublishServiceRequest.setServiceName(serviceName);
          client.unPublishService(unPublishServiceRequest);
  
      }
docs: 反注册服务信息
  
  @param serviceName  服务关键字
  @param providerInfo 服务提供者数据