4.0.0 cn.hangtag hangtag-module-system 2.1.0-jdk8-snapshot cn.hangtag hangtag-module-system-api 2.1.0-jdk8-snapshot ${project.artifactId} system 模块 API，暴露给其它模块调用 cn.hangtag hangtag-common org.springframework.boot spring-boot-starter-validation true