maven依赖

 <dependency>
   <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-registry-nacos</artifactId>
     <version>2.7.6</version>
 </dependency>
 <dependency>
     <groupId>com.alibaba.nacos</groupId>
     <artifactId>nacos-client</artifactId>
     <version>1.2.1</version>
 </dependency>
 <dependency>
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-spring-boot-starter</artifactId>
     <version>2.7.6</version>

 </dependency>
 <dependency>
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo</artifactId>
     <version>2.7.6</version>
 </dependency>

都是用的目前最新的,Dubbo的生成者能正常的注册.但是消费者提示无法注入@Reference,原因是生产和消费者没有注明group信息

@Reference(version = "1.0.0", group = "dubbo")

@Service(version = "1.0.0", group = "dubbo")

如果没有group信息,dubbo-registry-nacos版本的bug.
我们如果要使用这个版本就需要加上group.在2.7.7应该解决了这个bug
bug参考:https://github.com/apache/dubbo/issues/6077