mybatis-plus报错，之前使用mybatis-plus却没有遇到过的问题

Description:

Field baseMapper in com.baomidou.mybatisplus.extension.service.impl.ServiceImpl required a single bean, but 3 were found:
	- permissionMapper: defined in file [D:XXX\mapper\PermissionMapper.class]
	- userMapper: defined in file [D:XXX\mapper\UserMapper.class]
	- userRoleMapper: defined in file [D:XXX\mapper\UserRoleMapper.class]


Action:

Consider marking one of the beans as @Primary, updating the consumer to accept multiple beans, or using @Qualifier to identify the bean that should be consumed

Disconnected from the target VM, address: '127.0.0.1:58072', transport: 'socket'

Process finished with exit code 1

它也给了两个解决办法
1.把其中一个bean加上@Primary注解，就可以作为默认使用，
2.在注入的属性添加@Qualifier指定beanName，以明确使用哪一个bean
但是经过测试我把其他bean都删掉只剩一个也是报错，所以这两个办法并不能帮助我解决问题。
最后查资料发现可以去扫描一下mp的mapper的路径就没问题了
“com.baomidou.mybatisplus.core.mapper”

如果泛型没有写上可能也会出现这个问题，注意避坑