             if player.isPlaying {
                 autoFadeOutControlBar()
                 controlView.playButton.selected = true
-                isSliderSliding = false
             } else {
                 controlView.playButton.selected = false
             }

            switch (self.panDirection) {
            case BMPanDirection.Horizontal:
                controlView.hideSeekToView()
                playerLayer?.seekToTime(Int(self.sumTime), completionHandler: nil)
                // 把sumTime滞空，不然会越加越多
                self.sumTime = 0.0
                controlView.showLoader()
            case BMPanDirection.Vertical:
                self.isVolume = false

            self.controlView.showPlayerIcons()
            UIApplication.sharedApplication().setStatusBarHidden(false, withAnimation: UIStatusBarAnimation.Fade)
        }) { (_) in
            self.autoFadeOutControlBar()
            self.isMaskShowing = true
        }
    }
