mybatis plus 报错求助 百度没百到求助

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'forecastServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.baomidou.mybatisplus.mapper.BaseMapper com.baomidou.mybatisplus.service.impl.ServiceImpl.baseMapper; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.baomidou.mybatisplus.mapper.BaseMapper] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} 实在不知道哪里错了，求助大家帮搜搜