什么我使用 UiView.animateWithDuraion函数，delay:10 不起作用？ 都是直接翻页不等待了？请大侠相助

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  为什么我使用 UiView.animateWithDuraion函数，delay:10 不起作用？ 都是直接翻页不等待了？请大侠相助     //循环翻照片                    UIView.animateWithDuration(1.0, delay:10, options:nil, animations: {                            UIView.transitionWithView(self.Goddness1_2nd, duration: 1, options: UIViewAnimationOptions.TransitionFlipFromRight, animations: {                    self.Goddness1_2nd.image = UIImage(named: String(self.imageName_1))                    }, completion: self.nextAnimation)                         }, completion: nil )  func nextAnimation (Bool) {            UIView.transitionWithView(self.Goddness1_2nd, duration: 2.0, options: UIViewAnimationOptions.TransitionFlipFromLeft, animations: {            self.Goddness1_2nd.image = UIImage(named: "0")            }, completion: nil)   }