ccuserdefault problem

ccuserdefault problem
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i am using the ccuserdefualt to save the data and it is work.
Suddenly, it can not flush the new data.

CCUserDefault::sharedUserDefault()->setIntegerForKey(“Level”, 61);
playedLevel = CCUserDefault::sharedUserDefault()->getIntegerForKey(“Level”);
I have set the data and check.
it just return the 0.

when i open the new project and copy it.
the data can flush and return right data.
May i know the problem?


It is strange, can it reproduce every time?


it is always in my project.
But it can use in the android device.