打开项目所在目录
npm config edit
在上述步骤中打开的配置文件的末尾换行后添加以下镜像地址，并保存
registry=https://registry.npmmirror.com
electron_mirror=https://cdn.npmmirror.com/binaries/electron/
electron_builder_binaries_mirror=https://npmmirror.com/mirrors/electron-builder-binaries/
清除npm的缓存
npm cache clean --force
安装electron
npm install --save-dev electron