CCBreader and CCLabelTTF leaks in mac with cocos2d-2.1beta3-x-2.1.1

I have some questions in readNodeGraphFromFile,CCLabelTTF::create,CCLabelTTF::setstring and CCLabelTTF::updatetexture.Everytime i use these function,there is some leaks.
Any Guy has the same problem with me?

Anyone encountered this problem?