崩溃堆栈信息：
-[NSTextStorage(UIKitUndoExtensions) _undoRedoAttributedSubstringFromRange:] + 156
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000 at 0x0000000000000000
Crashed Thread: 0
Application Specific Information:
*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[NSBigMutableString substringWithRange:]: Range {0, 61} out of bounds; string length 10
UserInfo:(null)'
Thread 0 Crashed:
0 CoreFoundation __exceptionPreprocess + 124
1 libobjc.A.dylib objc_exception_throw + 56
2 CoreFoundation -[NSException initWithCoder:] + 0
3 Foundation -[NSString substringWithRange:] + 140
4 UIKit -[NSTextStorage(UIKitUndoExtensions) _undoRedoAttributedSubstringFromRange:] + 156
5 UIKit -[_UITextUndoOperationReplace undoRedo] + 320
6 Foundation -[_NSUndoStack popAndInvoke] + 280
7 Foundation -[NSUndoManager undoNestedGroup] + 416
8 UIKit __58-[UIApplication _showEditAlertViewWithUndoManager:window:]_block_invoke.2492 + 32
9 UIKit -[UIAlertController _invokeHandlersForAction:] + 108
10 UIKit __103-[UIAlertController _dismissAnimated:triggeringAction:triggeredByPopoverDimmingView:dismissCompletion:]_block_invoke.459 + 28
11 UIKit -[UIPresentationController transitionDidFinish:] + 1320
12 UIKit __56-[UIPresentationController runTransitionForCurrentState]_block_invoke_2 + 188
13 UIKit -[_UIViewControllerTransitionContext completeTransition:] + 116
14 UIKit -[UIViewAnimationBlockDelegate _didEndBlockAnimation:finished:context:] + 764
15 UIKit -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] + 312
16 UIKit -[UIViewAnimationState animationDidStop:finished:] + 296
17 UIKit -[UIViewAnimationState animationDidStop:finished:] + 456
18 QuartzCore CA::Layer::run_animation_callbacks(void*) + 284
复现步骤：
- 头条 V6.6.5
头条V6.6.5.gif
- 微信V6.6.6
微信V6.6.6.gif
- QQV7.5.8.422
QQV7.5.8.422.gif
修复方式
将UIApplication的applicationSupportsShakeToEdit属性关掉即可。
