[CFString release]: message sent to deallocated instance
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I've been struggling with a strange problem for two days now. I went through every related question on SO but none solved the issue. I'm working on Xcode5. I'm using ARC and CoreData. On iOS7 (simulator): `[CFString release]: message sent to deallocated instance` Thread 1, Queue : com.apple.main-thread 0 0x03c7d3ba in __kill () 1 0x03c7c4b8 in kill$UNIX2003 () 2 0x0347a921 in ___forwarding___ () 3 0x0347a4ee in _CF_forwarding_prep_0 () 4 0x02b7b002 in -[NSConcreteAttributedString dealloc] () 5 0x02f66692 in objc_object::sidetable_release