diff --git a/SwiftProject/SwiftProject/Project/Util/SpatialVideoConvertor.swift b/SwiftProject/SwiftProject/Project/Util/SpatialVideoConvertor.swift
index 333578c..803f177 100644
--- a/SwiftProject/SwiftProject/Project/Util/SpatialVideoConvertor.swift
+++ b/SwiftProject/SwiftProject/Project/Util/SpatialVideoConvertor.swift
@@ -59,7 +59,6 @@ class SpatialVideoConvertor {
              ]
          )
          assetReader.add(output_video)
-         
          //加载音频轨道
 //         let outputSettings_Audio:[String:Any] = [
 //             AVFormatIDKey:kAudioFormatLinearPCM,
@@ -87,7 +86,14 @@ class SpatialVideoConvertor {
              track: asset.loadTracks(withMediaType: .audio).first!,
              outputSettings:outputSettings_Audio
          )
-         assetReader.add(output_audio)
+         if assetReader.canAdd(output_audio){
+             assetReader.add(output_audio)
+             print("添加音频read output成功。。。。")
+         }
+         else{
+             print("添加音频read output失败。。。。")
+         }
+         
          
 
 //         let output_audio = AVAssetReaderAudioMixOutput(audioTracks: asset.tracks(withMediaType: .audio), audioSettings: nil)
@@ -156,6 +162,7 @@ class SpatialVideoConvertor {
                  
                  if vw == nil {
                      vw = VideoWriter(url: outputFile, width: Int(cwidth), height: Int(cheight), orientation: orientation, sessionStartTime: CMTime(value: 1,  timescale: 30 ), isRealTime: false, queue: .main)
+//                     vw = VideoWriter(url: outputFile, width: Int(cwidth), height: Int(cheight), orientation: orientation, sessionStartTime: CMTimeMake(value: 0, timescale: 1), isRealTime: false, queue: .main)
                  }
                  _ = vw!.add(image: newpb!, presentationTime: time)
                  print( "Added frame at \(time)")
@@ -168,26 +175,18 @@ class SpatialVideoConvertor {
              }
          }
          
-         while let nextAudioBuffer = output_audio.copyNextSampleBuffer() {
-             print("audio read buffer....")
-             vw!.addAudio(sample: nextAudioBuffer)
-         }
+         
+//         let vw2 = vw!
+//          await vw!.addAudio(assetTrackOutput: output_audio){
+//             _ = try!  await vw2.finish()
+//         }
          
          
          print( "status - \(assetReader.status)")
          print( "status - \(assetReader.error?.localizedDescription ?? "None")")
          print( "Finished")
-         
-//         DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
-//             DispatchQueue.main.sync {
-//                 try await vw!.finish()
-//             }
-//         }
-         
-        
-         
-         
-//         _ = try await vw!.finish()
+
+         _ = try await vw!.finish()
          
          
      }
diff --git a/SwiftProject/SwiftProject/Project/Util/VideoWriter.swift b/SwiftProject/SwiftProject/Project/Util/VideoWriter.swift
index 594e7fe..6888a47 100644
--- a/SwiftProject/SwiftProject/Project/Util/VideoWriter.swift
+++ b/SwiftProject/SwiftProject/Project/Util/VideoWriter.swift
@@ -74,8 +74,10 @@ class VideoWriter {
         
 //        self.writerInput_Audio = AVAssetWriterInput(mediaType: AVMediaType.audio, outputSettings: outputSettings_Audio)
 //        let outputSettings_Audio = AVOutputSettingsAssistant.init(preset: .preset1920x1080)?.audioSettings
-        self.writerInput_Audio = AVAssetWriterInput.init(mediaType: .audio, outputSettings: outputSettings_Audio, sourceFormatHint: nil)
+        self.writerInput_Audio = AVAssetWriterInput.init(mediaType: .audio, outputSettings: outputSettings_Audio)
+        
         self.writerInput_Audio.expectsMediaDataInRealTime = false
+//        self.writerInput_Audio.
         if  writer.canAdd(self.writerInput_Audio) {
             writer.add(self.writerInput_Audio)
             print("writer 添加input audio成功...")
@@ -96,36 +98,37 @@ class VideoWriter {
         self.writer = writer
         self.writerInput = input
     }
-    
     //追加音频
-    func addAudio(sample:CMSampleBuffer)  {
-        let formatDesc:CMFormatDescription  =                                     // 1
-        CMSampleBufferGetFormatDescription(sample)!;
-        let mediaType:CMMediaType  = CMFormatDescriptionGetMediaType(formatDesc);
-        if mediaType == kCMMediaType_Audio {
-            if self.writerInput_Audio.isReadyForMoreMediaData {
-                if self.writerInput_Audio.append(sample) == false {
-                    print("追加音频失败....")
-                }
-                else{
-                    print("audio 追加成功....")
-                }
-            }
-            else {
-                print("auiod 追加还未准备好...")
-                self.writerInput_Audio.requestMediaDataWhenReady(on: DispatchQueue.main) {
-                    if self.writerInput_Audio.append(sample) == false {
-                        print("追加音频失败....")
+    func  addAudio(assetTrackOutput:AVAssetReaderTrackOutput,callback:@escaping @Sendable () async -> Void) async   {
+//        self.writerInput_Audio.requestMediaDataWhenReady(on: DispatchQueue.main) {
+            while let sample = assetTrackOutput.copyNextSampleBuffer() {
+                print("audio read buffer....")
+                let formatDesc:CMFormatDescription = CMSampleBufferGetFormatDescription(sample)!
+                let mediaType:CMMediaType  = CMFormatDescriptionGetMediaType(formatDesc);
+                if mediaType == kCMMediaType_Audio {
+                    if self.writerInput_Audio.isReadyForMoreMediaData {
+                        if self.writerInput_Audio.append(sample) == false {
+                            print("追加音频失败....:\(String(describing: self.writer.error?.localizedDescription))")
+                        }
+                        else{
+                            print("audio 追加成功....")
+                        }
                     }
-                    else{
-                        print("audio 追加成功....")
+                    else {
+                        print("audio 追加还未准备好...")
+                        
                     }
                 }
+                else {
+                    print("不是audio类型...")
+                }
+                try! await Task.sleep(nanoseconds: 200_000_000)
             }
-        }
-        else {
-            print("不是audio类型...")
-        }
+            
+//        }
+        print("audio读取完毕。。。。")
+        await callback()
+        print("audio func 执行完毕。。。。...")
     }
     
     func add(image: CIImage, presentationTime: CMTime) -> Bool {
@@ -164,8 +167,12 @@ class VideoWriter {
     }
     
     func finish() async throws -> AVAsset? {
+        print("开始调用finish...")
+//        return nil
+        writerInput_Audio.markAsFinished()
         writerInput.markAsFinished()
         print("VideoWriter: calling writer.finishWriting()")
+        
         await writer.finishWriting()
         if self.writer.status != .completed {
             print("VideoWriter finish: error in finishWriting - \(self.writer.error?.localizedDescription ?? "Unknown")")