No qualifying bean of type [..] found for dependency

最近测试一个项目，启动项目的时候一直出现如下的提示：Caused by:org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.chainmobile.test.service.LoginService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations:

把service注解到interface上面了，后来在网上查找了部分资料发现需要把这个放到service的实现类上，换完位置，启动项目，程序就正常了。