打开npm的配置文件

npm config edit

在空白处将下面几个配置添加上去,注意如果有原有的这几项配置，就修改

registry=https://registry.npmmirror.com
electron_mirror=https://cdn.npmmirror.com/binaries/electron/
electron_builder_binaries_mirror=https://npmmirror.com/mirrors/electron-builder-binaries/

命令清除缓存

npm cache clean --force

再次安装

npm install