google无法测试
Refused to load the script 'http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js' because it violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' *.imooc.com *.mukewang.com *.baidu.com *.sina.com.cn".
j @ /static/component/logic/ceditor/ceditor.js?v=2016012302351:1
(program):2 Uncaught ReferenceError: $ is not defined
http://img1.sycdn.imooc.com//user/-80-80.jpg Failed to load resource: the server responded with a status of 404 (Not Found)
jquery.nanoscroller.js.map:1 GET http://www.imooc.com/static/page/course/common/jquery.nanoscroller.js.map 404 (Not Found)