右键项目选中maven选项，然后选择“open settings.xml”或者 “create settings.xml”，然后把如下代码粘贴进去就可以了。重启IDE。
1 <?xml version="1.0" encoding="UTF-8"?> 2 <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd"> 5 <mirrors> <!-- mirror 6 | Specifies a repository mirror site to use instead of a given repository. The repository that 7 | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used 8 | for inheritance and direct lookup purposes, and must be unique across the set of mirrors. 9 | 10 <mirror> 11 <id>mirrorId</id> 12 <mirrorOf>repositoryId</mirrorOf> 13 <name>Human Readable Name for this Mirror.</name> 14 <url>http://my.repository.com/repo/path</url> 15 </mirror> 16 --> 17 <mirror> 18 <id>alimaven</id> 19 <name>aliyun maven</name> 20 <url>http://maven.aliyun.com/nexus/content/groups/public/</url> 21 <mirrorOf>central</mirrorOf> 22 </mirror> 23 <mirror> 24 <id>uk</id> 25 <mirrorOf>central</mirrorOf> 26 <name>Human Readable Name for this Mirror.</name> 27 <url>http://uk.maven.org/maven2/</url> 28 </mirror> 29 <mirror> 30 <id>CN</id> 31 <name>OSChina Central</name> 32 <url>http://maven.oschina.net/content/groups/public/</url> 33 <mirrorOf>central</mirrorOf> 34 </mirror> 35 <mirror> 36 <id>nexus</id> 37 <name>internal nexus repository 38 </name> <!-- <url>http://192.168.1.100:8081/nexus/content/groups/public/</url>--> 39 <url>http://repo.maven.apache.org/maven2</url> 40 <mirrorOf>central</mirrorOf> 41 </mirror> 42 </mirrors> 43 </settings>