yarn安装Electron提示安装正常却实际没有安装的解决

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yarn设置临时镜像

yarn save express --registry https://registry.npm.taobao.org

yarn设置永久镜像

yarn config set registry https://registry.npm.taobao.org

npm设置临时镜像

npm --registry https://registry.npm.taobao.org install express

npm设置永久镜像

npm config set registry https://registry.npm.taobao.org

配置文件错误#

Windows下~/.yarnrc文件有升级检查导致不走镜像源：
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1


registry "https://registry.npm.taobao.org"
electron_mirror "https://npm.taobao.org/mirrors/electron/"
lastUpdateCheck 1584361306390
sass-binary-site "http://npm.taobao.org/mirrors/node-sass"
sass_binary_site "http://cdn.npm.taobao.org/dist/node-sass"

lastUpdateCheck 1584361306390删掉就行了