idea目录为何自动多出一个子模块

Question

为何idea中，目录会自动多出一个子模块？导致启动项目失败Field mapper in app.service.impl.DriverBrokerageServiceImpl required a bean of type 'app.mapper.DriverBrokerageMapper' that could not be found.

Answer 1

解决了，点击idea的右侧Maven，重新加载所有的Maven项目，就好了