diff --git a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate
index 7468d8d..32e4bae 100644
Binary files a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate and b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
index 9c301ba..1c88ba2 100644
--- a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+++ b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
@@ -563,8 +563,8 @@
             filePath = "SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "567"
-            endingLineNumber = "567"
+            startingLineNumber = "552"
+            endingLineNumber = "552"
             landmarkName = "navgationButtonClick2(sender:)"
             landmarkType = "7">
          </BreakpointContent>
@@ -617,5 +617,21 @@
             landmarkType = "7">
          </BreakpointContent>
       </BreakpointProxy>
+      <BreakpointProxy
+         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
+         <BreakpointContent
+            uuid = "3BC11DCB-0980-4202-9671-1A0261773A2C"
+            shouldBeEnabled = "No"
+            ignoreCount = "0"
+            continueAfterRunningActions = "No"
+            filePath = "SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift"
+            startingColumnNumber = "9223372036854775807"
+            endingColumnNumber = "9223372036854775807"
+            startingLineNumber = "325"
+            endingLineNumber = "325"
+            landmarkName = "viewDidAppear(_:)"
+            landmarkType = "7">
+         </BreakpointContent>
+      </BreakpointProxy>
    </Breakpoints>
 </Bucket>
diff --git a/SwiftProject/SwiftProject/ExternalScreen/ZZHExternalViewController.swift b/SwiftProject/SwiftProject/ExternalScreen/ZZHExternalViewController.swift
index 87b2ccc..07a902a 100644
--- a/SwiftProject/SwiftProject/ExternalScreen/ZZHExternalViewController.swift
+++ b/SwiftProject/SwiftProject/ExternalScreen/ZZHExternalViewController.swift
@@ -12,31 +12,29 @@ import AVKit
 class ZZHExternalViewController: UIViewController {
     
     var imageView: UIImageView?
-//    var avplayerController:AVPlayerViewController?
-//    var player:AVPlayer?
     var playerLayer:AVPlayerLayer?
     override func viewDidLoad() {
         super.viewDidLoad()
         print("ZZHExternalViewController viewDidLoad..")
         imageView = UIImageView()
         imageView?.image = UIImage(named: "externalScreenBg")
-        imageView?.contentMode = .scaleAspectFill
+        imageView?.contentMode = .scaleAspectFit
         self.view .addSubview(imageView!)
         imageView?.snp.makeConstraints({ make in
             make.left.top.right.bottom.equalTo(0)
         })
         
         
-//        player = AVPlayer()
         playerLayer = AVPlayerLayer()
         playerLayer!.frame = self.view.bounds
         self.view.layer.addSublayer(playerLayer!)
-////        player?.allowsExternalPlayback = true
-////        player?.usesExternalPlaybackWhileExternalScreenIsActive = true
-//        avplayerController = AVPlayerViewController()
-//        avplayerController?.player = player
-//        self.addChild(avplayerController!)
-//        self.view.addSubview(avplayerController!.view)
-//        avplayerController!.view.frame = self.view.bounds
+        self.view.backgroundColor = .clear
+    }
+    
+    override func viewWillLayoutSubviews() {
+        super.viewWillLayoutSubviews()
+        
+        print("bounds:\(self.view.bounds)")
+        print("frames:\(playerLayer!.frame)")
     }
 }
diff --git a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
index 2ebc763..5d71c83 100644
--- a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
+++ b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
@@ -334,18 +334,6 @@ class CCSpatialVideoDisplayController: BaseController {
             }
         }
         self.player?.play()
-//        else if self.playerController?.player {
-//            let playerItem = self.getPlayerItem()
-//            Task {
-//                print("ccs viewdid load   ---------")
-//                await self.loadVideoAssetReader()
-//                DispatchQueue.main.async {[weak self] in
-//                    self?.player?.replaceCurrentItem(with: playerItem)
-//                    self?.player?.play()
-//                }
-//            }
-//        }
-         
     }
     
     //MARK: - 监听设备投流
@@ -427,16 +415,13 @@ class CCSpatialVideoDisplayController: BaseController {
             let ws = us as! UIWindowScene
             if ws.session.role.rawValue == "UIWindowSceneSessionRoleExternalDisplayNonInteractive"{
                 externalVC = ws.windows.first?.rootViewController as? ZZHExternalViewController
-                if let evc = externalVC {
+                if externalVC != nil {
                     if let ed = externalDispalylink {
-                        externalDispalylink?.invalidate()
-                        externalDispalylink = nil
+                        ed.invalidate()
                     }
                     externalDispalylink = ws.windows.first?.screen.displayLink(withTarget: self, selector: #selector(displayUpdate(caDisplayLink:)))
                     externalDispalylink?.add(to: RunLoop.main, forMode: RunLoop.Mode.common)
-                    
-                }
-                
+                }  
             }
         }