您好，在使用cc.EGLView.getInstance().setDesignResolutionSize(320, 480, cc.RESOLUTION_POLICY.SHOW_ALL)来设置分辨率的时候，发现在最新版安卓火狐浏览器上屏幕最大化时页面被拉伸，无法正常显示。
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We need more information about the plateform, which device are you using?And can you give us a screen caption of your game in normal state?
在PC上一切正常，这个问题只出现在安卓手机的火狐浏览器上sony c6603Android 4.1.2firefox 26.0.1竖屏
I found the reason, on Android Firefox, once you set more than one parameter in viewport meta, it doesn't work anymore.I will do some extra check for firefox when setting viewport meta to fix it
This issue has been fixed in https://github.com/cocos2d/cocos2d-html5/pull/1544
But note that in your index.html, you shouldn't set the viewport meta yourself, otherwise the trick won't work.