npm ERR! uglifyjs-webpack-plugin@0.4.6 postinstall: `node lib/post_install.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the uglifyjs-webpack-plugin@0.4.6 postinstall script 'node lib/post_install.js'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the uglifyjs-webpack-plugin package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node lib/post_install.js npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs uglifyjs-webpack-plugin npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls uglifyjs-webpack-plugin npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request: npm ERR! /home/baoxuebin/demo/npm-debug.log
