建立默认的helloworld项目进去发现层级管理器和场景管理器一直在转圈并且显示加载中，而且控制台报错：
protocol editor-framework registerred
protocol app registerred
protocol packages registerred
protocol uuid registerred
protocol thumbnail registerred
preview server running at http://localhost:7456
Compiling scripts…
Compiled successfully
query updating…
Error: This browser does not support webGL. Try using the canvas renderer
TypeError: Cannot read property ‘forEach’ of undefined
TypeError: Cannot read property ‘forEach’ of undefined
Cocos Creator v0.7
Error: The renderer doesn’t support the renderMode 2
TypeError: Cannot read property ‘size’ of undefined
可能是由于显卡驱动没有正确安装，或者双显卡的机器切换到集成显卡时出现的，可以参考http://www.cocoachina.com/bbs/read.php?tid-457588.html的解决方法 。