1.idea界面双击shift键
2.打开setting.xml文件
复制粘贴
<?xml version="1.0" encoding="UTF-8"?>
<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>uk</id><mirrorOf>central</mirrorOf><name>Human Readable Name for this Mirror.</name><url>http://uk.maven.org/maven2/</url></mirror><mirror><id>CN</id><name>OSChina Central</name><url>http://maven.oschina.net/content/groups/public/</url><mirrorOf>central</mirrorOf></mirror><mirror><id>nexus</id><name>internal nexus repository</name><!-- <url>http://192.168.1.100:8081/nexus/content/groups/public/</url>--><url>http://repo.maven.apache.org/maven2</url><mirrorOf>central</mirrorOf></mirror><mirror><id>alimaven</id><mirrorOf>central</mirrorOf><name>aliyun maven</name><url>https://maven.aliyun.com/repository/central</url></mirror></mirrors>
</settings>
重启idea