在maven的配置文件 maven/conf/setting.xml 的 <mirrors> 标签对里添加要设置的 mirror

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">

  <mirrors>

    <mirror>  
        <id>alimaven</id>  
        <name>aliyun maven</name>  
        <url>http://maven.aliyun.com/nexus/content/groups/public/</url>  
        <mirrorOf>central</mirrorOf>          
    </mirror> 
    <mirror>
        <id>ui</id>
        <mirrorOf>central</mirrorOf>
        <name>Human Readable Name for this Mirror.</name>
        <url>http://uk.maven.org/maven2/</url>
    </mirror>
    <mirror>
        <id>osc</id>
        <mirrorOf>central</mirrorOf>
        <url>http://maven.oschina.net/content/groups/public/</url>
    </mirror>
    <mirror>
        <id>osc_thirdparty</id>
        <mirrorOf>thirdparty</mirrorOf>
        <url>http://maven.oschina.net/content/repositories/thirdparty/</url>
    </mirror>
    
  </mirrors>
  
</settings>