首先，我的英语说得不好，所以我用了谷歌翻译器。 事实证明，此问题仅发生在ios13中。这似乎是Web区域中的一个问题，但我无法解决问题。救命。谢谢。
致命异常：NSInvalidArgumentException ***-[NSTaggedPointerString stringByReplacingCharactersInRange：withString：]：无参数
Fatal Exception: NSInvalidArgumentException
0 CoreFoundation 0x19e12c98c __exceptionPreprocess
1 libobjc.A.dylib 0x19de550a4 objc_exception_throw
2 Foundation 0x19e43f44c +[NSUserDefaults(NSUserDefaults_NSURLExtras) _web_defaultsDidChange]
3 TextInput 0x1aa02dc2c -[TIDocumentState(statetransitions) documentStateAfterReplacingText:withText:]
4 UIKitCore 0x1a1f6db50 -[UIKeyboardImpl setDocumentStateForAutocorrection:]
5 UIKitCore 0x1a1f6e15c __82-[UIKeyboardImpl acceptAutocorrection:executionContextPassingTIKeyboardCandidate:]_block_invoke_2
6 UIKitCore 0x1a1f6dfb4 -[UIKeyboardImpl acceptAutocorrection:executionContextPassingTIKeyboardCandidate:]
7 UIKitCore 0x1a1f6d440 -[UIKeyboardImpl acceptAutocorrectionForWordTerminator:executionContextPassingTIKeyboardCandidate:]
8 UIKitCore 0x1a1f6d310 __56-[UIKeyboardImpl acceptAutocorrectionForWordTerminator:]_block_invoke
9 UIKitCore 0x1a1f935e0 -[UIKeyboardTaskEntry execute:]
10 UIKitCore 0x1a1f92010 -[UIKeyboardTaskQueue continueExecutionOnmainThread]
11 UIKitCore 0x1a1f9233c -[UIKeyboardTaskQueue performTaskOnmainThread:waitUntilDone:]
12 UIKitCore 0x1a1f6d22c -[UIKeyboardImpl acceptAutocorrectionForWordTerminator:]
13 UIKitCore 0x1a1f70288 -[UIKeyboardImpl acceptAutocorrection]
14 UIKitCore 0x1a1f70450 __38-[UIKeyboardImpl acceptAutocorrection]_block_invoke
15 UIKitCore 0x1a1f935e0 -[UIKeyboardTaskEntry execute:]
16 UIKitCore 0x1a1f92010 -[UIKeyboardTaskQueue continueExecutionOnmainThread]
17 UIKitCore 0x1a1f703fc -[UIKeyboardImpl acceptAutocorrection]
18 UIKitCore 0x1a1f576d8 -[UIKeyboardImpl setDelegate:force:]
19 UIKitCore 0x1a1c61e98 -[UIInputResponderController _reloadInputViewsForkeywindowSceneResponder:]
20 UIKitCore 0x1a1c616b4 -[UIInputResponderController _reloadInputViewsForResponder:]
21 UIKitCore 0x1a216bf64 -[UIResponder(UIResponderInputViewAdditions) reloadInputViews]
22 WebKit 0x1a5ae29b0 -[WKContentView(Wkinteraction) _hideKeyboard]
23 WebKit 0x1a5ae3394 -[WKContentView(Wkinteraction) _elementDidBlur]
24 WebKit 0x1a5ad7838 -[WKContentView(Wkinteraction) endEditingAndUpdateFocusAppearanceWithReason:]
25 WebKit 0x1a5ae06d8 -[WKContentView(Wkinteraction) accessoryDone]
26 UIKitCore 0x1a213ba44 -[UIApplication sendaction:to:from:forEvent:]
27 UIKitCore 0x1a1820ddc __45-[_UIButtonBarTargetaction _invoke:forEvent:]_block_invoke
28 UIKitCore 0x1a1820c68 -[_UIButtonBarTargetaction _invoke:forEvent:]
29 UIKitCore 0x1a213ba44 -[UIApplication sendaction:to:from:forEvent:]
30 UIKitCore 0x1a1b7f6d0 -[UIControl sendaction:to:forEvent:]
31 UIKitCore 0x1a1b7fa34 -[UIControl _sendactionsForEvents:withEvent:]
32 UIKitCore 0x1a1b7ea50 -[UIControl touchesEnded:withEvent:]
33 UIKitCore 0x1a2174d68 -[UIWindow _sendTouchesForEvent:]
34 UIKitCore 0x1a21760a8 -[UIWindow sendEvent:]
35 UIKitCore 0x1a2152ae8 -[UIApplication sendEvent:]
36 UIKitCore 0x1a21ca23c __dispatchPreprocessedEventFromEventQueue
37 UIKitCore 0x1a21cc798 __handleEventQueueInternal
38 UIKitCore 0x1a21c560c __handleHIDEventFetcherDrain
39 CoreFoundation 0x19e0aa7e0 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
40 CoreFoundation 0x19e0aa738 __CFRunLoopDoSource0
41 CoreFoundation 0x19e0a9ed0 __CFRunLoopDoSources0
42 CoreFoundation 0x19e0a501c __CFRunLoopRun
43 CoreFoundation 0x19e0a48bc CFRunLoopRunSpecific
44 GraphicsServices 0x1a7f10328 GSEventRunmodal
45 UIKitCore 0x1a213a6d4 UIApplicationmain
46 smartwish 0x1059b63d0 main + 42 (main.m:42)
47 libdyld.dylib 0x19df2f460 start