停止音效问题

Cocos2d-x
#1 
unsigned int mSoundId = CocosDenshion::SimpleAudioEngine::getInstance()->playEffect("sound/jiesuan.mp3", true);
...
...
...
CocosDenshion::SimpleAudioEngine::getInstance()->stopEffect(mSoundId);


```



为什么在win32上停止了，在安卓真机上音效没有停止？