这是我的服务：
这是我的服务实现：

@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired()
    private CategoryRepo categoryRepo;
    

}

这是输出结果

Description:

Field categoryRepo in com.example.demo.services.impl.CategoryServiceImpl required a bean of type 'com.example.demo.repositories.CategoryRepo' that could not be found.

The injection point has the following annotations:
    - @org.springframework.beans.factory.annotation.Autowired(required=true)

Action:

Consider defining a bean of type 'com.example.demo.repositories.CategoryRepo' in your configuration.