修改 .m2/settings.xml 文件：

<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 https://maven.apache.org/xsd/settings-1.0.0.xsd">
	<proxies>
		<proxy>
			<id>http-proxy</id>
			<active>true</active>
			<protocol>http</protocol>
			<host>localhost</host>
			<port>3128</port>
		</proxy>
		<proxy>
			<id>https-proxy</id>
			<active>true</active>
			<protocol>https</protocol>
			<host>localhost</host>
			<port>3128</port>
		</proxy>
	</proxies>
</settings>