maven安装目录config下的setting.xml中添加以下mirror标签

<mirrors>
    <!-- mirror | Specifies a repository mirror site to use instead of a given repository. The repository that | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used | for inheritance and direct lookup purposes, and must be unique across the set of mirrors. | <mirror> <id>mirrorId</id> <mirrorOf>repositoryId</mirrorOf> <name>Human Readable Name for this Mirror.</name> <url>http://my.repository.com/repo/path</url> </mirror> -->
	<mirror>
	     <id>alimaven</id>
	     <name>aliyun maven</name>
	     <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
	     <mirrorOf>central</mirrorOf>
	</mirror> 
  </mirrors>