**注解中指定分组和在yaml中配置分组都无效**,导致指定了分组的无法访问

demo下载地址：https://wws.lanzoui.com/iE2BEsrb3nc

**dubbo3.0.1可以正常，升级到3.0.2无法访问，报下面的错。**

![image](https://user-images.githubusercontent.com/1773414/129695093-5b72d7da-d93b-49bb-981c-4234ec2b866c.png)


![image](https://user-images.githubusercontent.com/1773414/129683664-6c524e09-2422-4540-9894-28a4e8ab469e.png)



生产端：
![image](https://user-images.githubusercontent.com/1773414/129694805-4786164b-9c11-4c3e-bb9c-23d87b12d775.png)


消费端
![image](https://user-images.githubusercontent.com/1773414/129694877-052bb465-f5fe-44f4-a3a3-7c4265c1fcc7.png)


nacos控制台：
![image](https://user-images.githubusercontent.com/1773414/129680657-edacb8af-7825-45cf-996a-5cd60fcc4e56.png)



private static final Logger logger = LoggerFactory.getLogger(NacosNamingServiceUtils.class);
    private static String NACOS_GROUP_KEY = "nacos.group";
    /**
     * Convert the {@link ServiceInstance} to {@link Instance}
     *
     * @param serviceInstance {@link ServiceInstance}
     * @return non-null
     * @since 2.7.5
     */
    public static Instance toInstance(ServiceInstance serviceInstance) {
        Instance instance = new Instance();
        instance.setServiceName(serviceInstance.getServiceName());
        instance.setIp(serviceInstance.getHost());
        instance.setPort(serviceInstance.getPort());
        instance.setMetadata(serviceInstance.getSortedMetadata());
        instance.setEnabled(serviceInstance.isEnabled());
        instance.setHealthy(serviceInstance.isHealthy());
        return instance;
    }