springboot 默认的parent中有固定的指定
ctrl加鼠标点spring-boot-starter-parent
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath/>
</parent>
再ctrl加鼠标点spring-boot-dependencies
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath>../../spring-boot-dependencies</relativePath>
</parent>
ctrl加F寻找自己pom依赖版本打了黄线的，用这里的或者版本直接去掉