yarn 安装卡在：yarn Building fresh packages
    新建一个.yarnrc 设置下这几个都源

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