IDEA 倒入maven项目下载很慢

 <mirror>
      <!--This sends everything else to /public -->
      <id>nexus</id>
      <mirrorOf>*</mirrorOf>   <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
 </mirror>
 <mirror>
      <!--This is used to direct the public snapshots repo in the 
          profile below over to a different nexus group -->
      <id>nexus-public-snapshots</id>
      <mirrorOf>public-snapshots</mirrorOf> 
      <url>http://maven.aliyun.com/nexus/content/repositories/snapshots/</url>
 </mirror>