踩坑：实体名与Java包重名

启动项目时报错：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021-11-10 11:05:10.076 ERROR 7232 --- [           main] o.s.boot.SpringApplication               : Application run failed

报错很长，接着往下滑发现报错新的提示点

Caused by: org.apache.ibatis.type.TypeException: The alias 'Collection' is already mapped to the value 'java.util.Collection'.

即发现了原因：