diff --git a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController.swift b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController.swift
index 69b8b0d..d84ec2c 100644
--- a/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController.swift
+++ b/SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController.swift
@@ -283,7 +283,24 @@ class CCSpatialVideoDisplayController: BaseController, AVPlayerViewControllerDel
             let compositionTime = request.compositionTime
             let end:CMTime = CMTimeMake(value: Int64(compositionTime.value+1), timescale: compositionTime.timescale)
             let tr = CMTimeRange(start: compositionTime, end: end)
-            self.quickLoadAReader(timeRange: tr)
+//            self.quickLoadAReader(timeRange: tr)
+            
+
+            while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+//                print("compositon......copy samplebuffer")
+            }
+//            if(self.assetReader?.status == .completed){
+//                print("okkkssss...")
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+//            }
+//            else{
+//                
+//                print("status:\(self.assetReader?.error?.localizedDescription)")
+//            }
+            
+            
+            
+            
             var ciImg:CIImage? = nil
             switch self.selectedIndex {
                 case .crossedEyes://交叉眼
@@ -321,7 +338,8 @@ class CCSpatialVideoDisplayController: BaseController, AVPlayerViewControllerDel
             if  self.assetTrack == nil {
                 assetTrack = try await self.videoOriginalAsset.loadTracks(withMediaType: .video).first!
             }
-            let timeRange = CMTimeRange(start: .zero, duration: .positiveInfinity)
+//            let timeRange = CMTimeRange(start: .zero, duration: .positiveInfinity)
+            let timeRange = CMTimeRange(start: .zero, duration: CMTime(value: 1, timescale: 1))
             self.quickLoadAReader(timeRange: timeRange)
             
         } catch {