I have the same issue。 <NSXPCConnection: 0x2831280a0> connection to service with pid 1367 created from an endpoint: Exception caught during decoding of reply to message 'resolveWithIdentifier:className:options:reply:', dropping incoming message and calling failure block. Ignored Exception: Exception while decoding argument 0 (#1 of invocation): <NSInvocation: 0x28153aec0> return value: {v} void target: {@?} 0x0 (block) argument 1: {@} 0x0 argument 2: {@} 0x0 Exception: value for key 'NS.objects' was of unexpected class 'NSString' (0x20286a970) [/System/Library/Frameworks/Foundation.framework]. Allowed classes are: {( "'NSDictionary' (0x202862d38) [/System/Library/Frameworks/CoreFoundation.framework]" )}