hook系统__NSCFDictionary 的objectForKey 函数的时候崩溃，求解决思路

@syp0601 wrote:

• thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x2)
  frame #0: 0x000000018346c198 libobjc.A.dylibobjc_retain + 8
frame #1: 0x000000018346c218 libobjc.A.dylibobjc_storeStrong + 44
  • frame #2: 0x0000000106c0f624 libMonkeyPodDylib.dylib$__NSCFDictionary_objectForKey$_method(self=0x00000001c3672040, _cmd="objectForKey:", aKey=0x0000000000000000) at MonkeyPodDylib.m:111
frame #3: 0x00000001841462d8 CoreFoundation-[__NSDictionaryObjectEnumerator nextObject] + 92
    frame #4: 0x00000001840fc84c CoreFoundation-[NSEnumerator countByEnumeratingWithState:objects:count:] + 60
frame #5: 0x00000001841464c4 CoreFoundation-[NSEnumerator allObjects] + 124
    frame #6: 0x000000018e03ccec UIKit__updateTouchesWithDigitizerEventAndDetermineIfShouldSend + 792
frame #7: 0x000000018e040d04 UIKit__dispatchPreprocessedEventFromEventQueue + 804
    frame #8: 0x000000018e0438a8 UIKit__handleEventQueueInternal + 4760
frame #9: 0x000000018e03c7c0 UIKit__handleHIDEventFetcherDrain + 152
    frame #10: 0x00000001841b297c CoreFoundation__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
frame #11: 0x00000001841b28fc CoreFoundation__CFRunLoopDoSource0 + 88
    frame #12: 0x00000001841b2184 CoreFoundation__CFRunLoopDoSources0 + 204
frame #13: 0x00000001841afd5c CoreFoundation__CFRunLoopRun + 1048
    frame #14: 0x00000001840cfe58 CoreFoundationCFRunLoopRunSpecific + 436
frame #15: 0x0000000185f7cf84 GraphicsServicesGSEventRunModal + 100
    frame #16: 0x000000018d74f67c UIKit`UIApplicationMain + 236

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