diff --git a/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate b/SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate
index b1b6dfa..9aba9c8 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 2875514..02c0bff 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/CCSpatialVideoDisplayForVideoTask.swift"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "67"
-            endingLineNumber = "67"
+            startingLineNumber = "68"
+            endingLineNumber = "68"
             landmarkName = "convertFrame(request:)"
             landmarkType = "7">
             <Locations>
@@ -611,8 +611,8 @@
             filePath = "SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "440"
-            endingLineNumber = "440"
+            startingLineNumber = "442"
+            endingLineNumber = "442"
             landmarkName = "navgationButtonClick2(sender:)"
             landmarkType = "7">
          </BreakpointContent>
diff --git a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
index 0bc1f2f..f21f27b 100644
--- a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
+++ b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayController.swift
@@ -395,6 +395,8 @@ class CCSpatialVideoDisplayController: BaseController {
     
     deinit {
         print("patialvideodisplaycontroler deinit......")
+        self.player?.currentItem?.videoComposition = nil
+        
         assetReader?.cancelReading()
         NotificationCenter.default.removeObserver(self)
     }
diff --git a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayForVideoTask.swift b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayForVideoTask.swift
index f15eda9..4e8605c 100644
--- a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayForVideoTask.swift
+++ b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController/CCSpatialVideoDisplayForVideoTask.swift
@@ -84,7 +84,7 @@ extension CCSpatialVideoDisplayController {
         }
 //        if needRestReaderTimeRange {
             while ao.copyNextSampleBuffer() != nil {
-                print("正在遍历。。。。1")
+//                print("正在遍历。。。。1")
             }
             guard self.assetReader?.status == .reading else {
                 print("assetReader status:\(self.assetReader?.status) err:\(self.assetReader?.error)")