An instance 0x174037ea0 of class AVKeyPathFlattener was deallocated while key value observers were still registered with it. Current observation info: <NSKeyValueObservationInfo 0x174035240> ( <NSKeyValueObservance 0x1702547f0: Observer: 0x17407b200, Key path: operationCount, Options: <New: NO, Old: NO, Prior: NO> Context: 0x0, Property: 0x1742545e0> ) #39
偶尔出现:
@bqlin