注册SDK时实例化[EaseMob sharedInstance] 出错

 [[EaseMob sharedInstance] registerSDKWithAppKey:@"easemob-demo#chatdemoui"

                                           apnsCertName:apnsCertName

                                            otherConfig:@{kSDKConfigEnableConsoleLogger:@YES}];
运行到此处时程序崩掉。

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[EMDeviceManager _setupNetworkMonitor]: unrecognized selector sent to instance 0x7ff128624100'

*** First throw call stack:

(

	0   CoreFoundation                      0x000000010ab53c65 __exceptionPreprocess + 165

	1   libobjc.A.dylib                     0x000000010a740bb7 objc_exception_throw + 45

	2   CoreFoundation                      0x000000010ab5b0ad -[NSObject(NSObject) doesNotRecognizeSelector:] + 205

	3   CoreFoundation                      0x000000010aab113c ___forwarding___ + 988

	4   CoreFoundation                      0x000000010aab0cd8 _CF_forwarding_prep_0 + 120

	5   随兴学                           0x00000001057b6ef5 -[EMDeviceManager init] + 126

	6   随兴学                           0x00000001057b6e5d __33+[EMDeviceManager sharedInstance]_block_invoke + 41

	7   libdispatch.dylib                   0x000000010b3cd614 _dispatch_client_callout + 8

	8   libdispatch.dylib                   0x000000010b3b9881 dispatch_once_f + 565

	9   随兴学                           0x00000001057b6e27 +[EMDeviceManager sharedInstance] + 45

	10  随兴学                           0x0000000105753211 -[EaseMob deviceManager] + 46

	11  随兴学                           0x0000000105753054 -[EaseMob init] + 93

	12  随兴学                           0x0000000105752fae +[EaseMob sharedInstance] + 78

	13  随兴学                           0x000000010534ed10 -[AppDelegate(EaseMob) easemobApplication:didFinishLaunchingWithOptions:] + 288

	14  随兴学                           0x0000000105165d0b -[AppDelegate application:didFinishLaunchingWithOptions:] + 2699

	15  UIKit                               0x000000010946f788 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 240

	16  UIKit                               0x0000000109470397 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 2540

	17  UIKit                               0x00000001094731de -[UIApplication _runWithMainScene:transitionContext:completion:] + 1349

	18  UIKit                               0x00000001094720d5 -[UIApplication workspaceDidEndTransaction:] + 179

	19  FrontBoardServices                  0x000000010dae45e5 __31-[FBSSerialQueue performAsync:]_block_invoke_2 + 21

	20  CoreFoundation                      0x000000010aa8741c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12

	21  CoreFoundation                      0x000000010aa7d165 __CFRunLoopDoBlocks + 341

	22  CoreFoundation                      0x000000010aa7c947 __CFRunLoopRun + 887

	23  CoreFoundation                      0x000000010aa7c366 CFRunLoopRunSpecific + 470

	24  UIKit                               0x0000000109471b42 -[UIApplication _run] + 413

	25  UIKit                               0x0000000109474900 UIApplicationMain + 1282

	26  随兴学                           0x0000000105162b6f main + 111

	27  libdyld.dylib                       0x000000010b401145 start + 1

)

libc++abi.dylib: terminating with uncaught exception of type NSException