解决yarn install 一直处在Building fresh packages…

1.打开 C:\Users\用户名.yarnrc

添加

registry "https://registry.npmmirror.com"
sass_binary_site "https://npmmirror.com/mirrors/node-sass/"
phantomjs_cdnurl "http://cnpmjs.org/downloads"
electron_mirror "https://npmmirror.com/mirrors/electron/"
sqlite3_binary_host_mirror "https://foxgis.oss-cn-shanghai.aliyuncs.com/"
profiler_binary_host_mirror "https://npmmirror.com/mirrors/node-inspector/"
chromedriver_cdnurl "https://npmmirror.com/mirrors/chromedriver/"

保存