Springboot启动报错org.springframework.beans.factory.UnsatisfiedDependencyException

org.springframework.beans.factory.**UnsatisfiedDependencyException**: Error creating bean with name 'com.example.demomybatis.DemomybatisApplicationTests': Unsatisfied dependency expressed through field 'userMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.example.demomybatis.mapper.UserMapper' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:659)
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639)
日常报错 
![在这里插入图片描述](https://img-blog.csdnimg.cn/6c469ca635ca47f59bb9e71bb99941fd.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAWW91bWFuc19zdGF0aW9u,size_16,color_FFFFFF,t_70,g_se,x_16

![在这里插入图片描述](https://img-blog.csdnimg.cn/269a4e70ac1944bfa2ba7f0168c3c019.png)
扫描包的位置填错，修改为
@MapperScan("com.example.demomybatis.mapper")
就好了