谁能帮我确定我的应用崩溃的原因，或者我如何更好地及早发现崩溃以了解是哪行代码导致了崩溃？这是来自Crashlytics的崩溃日志:#0Crashed:com.apple.main-threadEXC_BAD_ACCESSKERN_INVALID_ADDRESS0x0000000000000010Crashed:com.apple.main-thread0libobjc.A.dylib0x188ecef70objc_msgSend+161SceneKit0x19a486324-[SCNSpriteKitEventHandlertouchesCancelled:withEvent:]+52