diff --git a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
index 93d7392..805d519 100644
--- a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
+++ b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
@@ -338,8 +338,24 @@ class CCSpatialVideoDisplayController: BaseController {
 //        NotificationCenter.default.addObserver(self, selector: #selector(notification_PlayerTimeJump(notification:)), name: AVPlayerItem.timeJumpedNotification, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(notificatin_failedToPlayToEndTimeNotification(notifiation: )), name: AVPlayerItem.failedToPlayToEndTimeNotification, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(notificatin_failedToPlayToEndTimeNotification(notifiation: )), name: AVPlayerItem.newErrorLogEntryNotification, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(notification_didEnterBackgroundNotification(notification: )), name: UIApplication.didEnterBackgroundNotification, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(notification_didActiveNotification(notification: )), name: UIApplication.didBecomeActiveNotification, object: nil)
     }
     
+    //屏幕进入后台
+    @objc func notification_didEnterBackgroundNotification(notification:Notification) {
+        player?.pause()
+        
+        print("ccs .....notification_didEnterBackgroundNotification")
+    }
+    //屏幕进入前台
+    @objc func notification_didActiveNotification(notification:Notification) {
+        self.checkAirPlayStatus()
+        print("ccs .....notification_didEnterBackgroundNotification")
+    }
+    
+    
+    
     @objc func notificatin_failedToPlayToEndTimeNotification(notifiation:Notification) {
         print("notificatin_failedToPlayToEndTimeNotification....")
         
@@ -360,6 +376,7 @@ class CCSpatialVideoDisplayController: BaseController {
         let sec:TimeInterval = ZZHHelper.getSecFromUserDefaultByKey(kNowTimeToUserDefaultKey_VideoDisplayController)
         Analytics.logEvent("preview_pv", parameters: ["refer_page":"视频预览页面","duration":sec])
         
+        print(".........ccs viewdid disappear....")
         
     }