游戏在加入积分墙的时候，打开的时候没问题，但是关闭积分墙的时候屏幕会黑一秒
同时输出
2014-10-23 16:37:16.596 PopStar3 failed to call context
2014-10-23 16:37:16.599 PopStar3 cocos2d: surface size: 640x1136
2014-10-23 16:37:16.601 PopStar3 Failed to make complete framebuffer object 0x8CDD
Cocos2d: OpenGL error 0x0506 in /Users/hxz/Documents/2.2.2.2/cocos2d-x-2.2.2/cocos2dx/sprite_nodes/CCSprite.cpp draw 584
Cocos2d: OpenGL error 0x0506 in /Users/hxz/Documents/2.2.2.2/cocos2d-x-2.2.2/cocos2dx/sprite_nodes/CCSprite.cpp draw 584
Cocos2d: OpenGL error 0x0506 in /Users/hxz/Documents/2.2.2.2/cocos2d-x-2.2.2/cocos2dx/sprite_nodes/CCSprite.cpp draw 584
Cocos2d: OpenGL error 0x0506 in /Users/hxz/Documents/2.2.2.2/cocos2d-x-2.2.2/cocos2dx/sprite_nodes/CCSprite.cpp draw 584
Cocos2d: OpenGL error 0x0506 in /Users/hxz/Documents/2.2.2.2/cocos2d-x-2.2.2/cocos2dx/sprite_nodes/CCSprite.cpp draw 584
后面就不停地重复这个，但是游戏没有退，仍然可以玩
网上的解决办法是开启积分墙的时候暂停游戏，关闭积分墙的时候开始游戏，但是这样不管用，仍然报错
