我在我的 crittercism 仪表板中看到了这个崩溃日志
QuartzCore 0x373d37c4 _ZN2CA5Layer16commit_if_neededEPNS_11TransactionEPFvPS0_jjPvES4_ + 39
1 QuartzCore 0x373d3875 _ZN2CA5Layer16commit_if_neededEPNS_11TransactionEPFvPS0_jjPvES4_ + 216
2 QuartzCore 0x373d773b _ZN2CA7Context11commit_rootEPNS_5LayerEPv + 34
3 QuartzCore 0x373d7717 _ZN2CAL16foreach_callbackEPNS_5LayerES1_Pv + 18
4 QuartzCore 0x373d76ed x_hash_table_foreach + 44
5 QuartzCore 0x373d76bd _ZN2CA11Transaction12foreach_rootEPFvPNS_5LayerEPvES3_ + 32
6 QuartzCore 0x373d1455 _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 1052
7 QuartzCore 0x373d0e57 _ZN2CA11Transaction6commitEv + 314
8 QuartzCore 0x373c8d85 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 56
9 CoreFoundation 0x37da8b4b __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
10 CoreFoundation 0x37da6d87 __CFRunLoopDoObservers + 258
11 CoreFoundation 0x37da70e1 __CFRunLoopRun + 760
12 CoreFoundation 0x37d2a4dd CFRunLoopRunSpecific + 300
13 CoreFoundation 0x37d2a3a5 CFRunLoopRunInMode + 104
14 GraphicsServices 0x37b01fcd GSEventRunModal + 156
15 UIKit 0x318aa743 UIApplicationMain + 1090
并且不知道是什么导致了这个错误，任何有同样问题的人（找到解决方案大声笑）？