在安装之前，先设置npmrc:
在项目根目录创建.npmrc文件。添加完.npmrc文件后即可安装成功.npmrc文件的内容如下
registry=https://registry.npmmirror.com/ electron_mirror=https://npmmirror.com/mirrors/electron/ electron_builder_binaries_mirror=https://npmmirror.com/mirrors/electron-builder-binaries/ sqlite3_binary_host_mirror=https://npmmirror.com/mirrors/sqlite3/ chromedriver_cdnurl=https://npmmirror.com/mirrors/chromedriver/ operadriver_cdnurl=https://npmmirror.com/mirrors/operadriver/ fse_binary_host_mirror=https://npmmirror.com/mirrors/fsevents/
