idea maven install时出现Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:ch

项目用maven打包时出现Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (default-checkstyle-check) on project
找了大半天，原来是import包的顺序要按照代码引用的包的顺序来排列。