使用国内的maven 库， 阿里的

Copy maven 安装目录的settings.xml 到~/.m2/ 下面，如下修改

在新的settings.xml 新增aliyun mirror

146   <mirrors>
147     <!-- mirror
148      | Specifies a repository mirror site to use instead of a given repository. The repository that
149      | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used
150      | for inheritance and direct lookup purposes, and must be unique across the set of mirrors.
151      |
152     <mirror>
153       <id>mirrorId</id>
154       <mirrorOf>repositoryId</mirrorOf>
155       <name>Human Readable Name for this Mirror.</name>
156       <url>http://my.repository.com/repo/path</url>
157     </mirror>
158      -->
159 
160      <mirror>
161      <id>alimaven</id>
162      <mirrorOf>central</mirrorOf>
163      <name>aliyun maven</name>
164      <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
165      </mirror>
166 
167   </mirrors>