请问这个怎么办
D:\Program Files\Java\jdk1.8.0_172\bin\java.exe" -Dmaven.multiModuleProjectDirectory=C:\Users\wconcept\Desktop\miaosha "-Dmaven.home=D:\Program Files\JetBrains\IntelliJ IDEA 2018.2\plugins\maven\lib\maven3" -Didea.modules.paths.file=C:\Users\wconcept\.IntelliJIdea2018.2\system\Maven\idea-projects-state-96f3190.properties -Dclassworlds.conf=C:\Users\wconcept\AppData\Local\Temp\idea-11367-mvn.conf "-javaagent:D:\Program Files\JetBrains\IntelliJ IDEA 2018.2\lib\idea_rt.jar=63025:D:\Program Files\JetBrains\IntelliJ IDEA 2018.2\bin" -Dfile.encoding=UTF-8 -classpath "D:\Program Files\JetBrains\IntelliJ IDEA 2018.2\plugins\maven\lib\maven3\boot\plexus-classworlds-2.5.2.jar" org.codehaus.classworlds.Launcher -Didea.version=2018.2.1 mybatis-generator:generator
[INFO] Scanning for projects...
[WARNING] The POM for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could not be resolved: Failure to find org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 in http://maven.aliyun.com/nexus/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of alimaven has elapsed or updates are forced
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.077 s
[INFO] Finished at: 2019-01-04T16:47:47+08:00
[INFO] Final Memory: 20M/205M
[INFO] ------------------------------------------------------------------------
[ERROR] Could not find goal 'generator' in plugin org.mybatis.generator:mybatis-generator-maven-plugin:1.3.7 among available goals generate, help -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoNotFoundException
Process finished with exit code 1