diff --git a/Sources/PlayerRecorder.swift b/Sources/PlayerRecorder.swift
index faa27ce..4388ad9 100644
--- a/Sources/PlayerRecorder.swift
+++ b/Sources/PlayerRecorder.swift
@@ -17,18 +17,17 @@ class AudioCaptureContext {
     nonisolated(unsafe) var appendCount: Int = 0
     nonisolated(unsafe) var firstAppendLogged: Bool = false
     nonisolated(unsafe) var processCallCount: Int = 0
+    nonisolated(unsafe) var firstAudioSampleTime: Int64 = -1
     
-    /// Serial queue for processing audio buffers off the real-time thread
     let audioQueue = DispatchQueue(label: "miniplayer.audioCapture")
-    /// Pre-allocated data buffer (avoids malloc in real-time audio thread)
     var dataBuffer: UnsafeMutableRawPointer?
     var dataBufferSize: UInt32 = 0
 }
 
 // MARK: - CoreAudio 输出设备 IOProc 回调
 
-/// 从系统音频输出设备捕获 PCM 数据（适用于所有音频源：HLS、本地文件等）
-/// 运行在高优先级音频线程，最小化工作
+/// 从系统音频输出设备捕获正在播放的 PCM 数据
+/// 关键：输出设备的播放数据在 inOutputData 参数中，不是 inInputData
 private func audioDeviceIOProc(
     _ inDevice: AudioDeviceID,
     _ inNow: UnsafePointer<AudioTimeStamp>,
@@ -40,19 +39,51 @@ private func audioDeviceIOProc(
 ) -> OSStatus {
     guard let clientData = inClientData else { return noErr }
     let ctx = Unmanaged<AudioCaptureContext>.fromOpaque(clientData).takeUnretainedValue()
-    guard ctx.isRunning,
-          let writerInput = ctx.writerInput,
-          writerInput.isReadyForMoreMediaData else { return noErr }
+    guard ctx.isRunning else { return noErr }
     
     ctx.processCallCount += 1
     
-    let bufferList = inInputData.pointee
-    guard bufferList.mNumberBuffers > 0 else { return noErr }
+    // 从 inOutputData 读取正在播放的音频
+    let outBufferList = inOutputData.pointee
+    let inBufferList = inInputData.pointee
+    let callNum = ctx.processCallCount
+    if callNum <= 3 {
+        print("[Recorder] IOProc#\(callNum): outBufs=\(outBufferList.mNumberBuffers), inBufs=\(inBufferList.mNumberBuffers)")
+        if outBufferList.mNumberBuffers > 0 {
+            let b = outBufferList.mBuffers
+            print("[Recorder]   outBuf[0]: size=\(b.mDataByteSize), channels=\(b.mNumberChannels), data=\(b.mData != nil)")
+        }
+        if inBufferList.mNumberBuffers > 0 {
+            let b = inBufferList.mBuffers
+            print("[Recorder]   inBuf[0]: size=\(b.mDataByteSize), channels=\(b.mNumberChannels), data=\(b.mData != nil)")
+        }
+    }
+    
+    // 优先读 inOutputData（系统正在播放的音频），这是 loopback 数据
+    let bufferList: AudioBufferList
+    if outBufferList.mNumberBuffers > 0 {
+        let b = outBufferList.mBuffers
+        if b.mDataByteSize > 0 && b.mData != nil {
+            bufferList = outBufferList
+        } else if inBufferList.mNumberBuffers > 0 {
+            bufferList = inBufferList
+        } else {
+            return noErr
+        }
+    } else if inBufferList.mNumberBuffers > 0 {
+        bufferList = inBufferList
+    } else {
+        return noErr
+    }
+    
     let buffer = bufferList.mBuffers
     let dataSize = buffer.mDataByteSize
-    guard dataSize > 0, let srcData = buffer.mData else { return noErr }
+    guard dataSize > 0, let srcData = buffer.mData else {
+        if callNum <= 3 { print("[Recorder] IOProc#\(callNum): no data (size=\(buffer.mDataByteSize), data=\(buffer.mData != nil))") }
+        return noErr
+    }
     
-    // Copy to pre-allocated buffer (avoid malloc in real-time thread)
+    // 复制到预分配 buffer
     if ctx.dataBufferSize < dataSize {
         if let existing = ctx.dataBuffer { free(existing) }
         ctx.dataBuffer = malloc(Int(dataSize))
@@ -61,12 +92,12 @@ private func audioDeviceIOProc(
     guard let dest = ctx.dataBuffer else { return noErr }
     memcpy(dest, srcData, Int(dataSize))
     
-    let pts = inInputTime.pointee
-    let callNum = ctx.processCallCount
+    let pts = inOutputTime.pointee
     
-    // Process on serial queue (off the real-time audio thread)
+    // 在串行队列处理
     ctx.audioQueue.async {
-        guard ctx.isRunning, let fd = ctx.formatDescription else { return }
+        guard ctx.isRunning else { return }
+        guard let fd = ctx.formatDescription, let writerInput = ctx.writerInput else { return }
         
         var blockBuffer: CMBlockBuffer?
         let blockStatus = CMBlockBufferCreateWithMemoryBlock(
@@ -77,7 +108,10 @@ private func audioDeviceIOProc(
             flags: kCMBlockBufferAssureMemoryNowFlag,
             blockBufferOut: &blockBuffer
         )
-        guard blockStatus == kCMBlockBufferNoErr, let bb = blockBuffer else { return }
+        guard blockStatus == kCMBlockBufferNoErr, let bb = blockBuffer else {
+            if callNum <= 3 { print("[Recorder] CMBlockBufferCreate failed: \(blockStatus)") }
+            return
+        }
         
         let replaceStatus = CMBlockBufferReplaceDataBytes(
             with: dest, blockBuffer: bb,
@@ -86,12 +120,15 @@ private func audioDeviceIOProc(
         guard replaceStatus == kCMBlockBufferNoErr else { return }
         
         var timingInfo = CMSampleTimingInfo()
-        // Convert AudioTimeStamp to CMTime
         if pts.mFlags.contains(.sampleTimeValid) {
-            let sampleRate = ctx.sampleRate
+            // 使用相对于第一次音频回调的时间戳
+            if ctx.firstAudioSampleTime < 0 {
+                ctx.firstAudioSampleTime = Int64(pts.mSampleTime)
+            }
+            let relativeSampleTime = Int64(pts.mSampleTime) - ctx.firstAudioSampleTime
             timingInfo.presentationTimeStamp = CMTime(
-                value: Int64(pts.mSampleTime),
-                timescale: Int32(sampleRate)
+                value: relativeSampleTime,
+                timescale: Int32(ctx.sampleRate)
             )
         } else if pts.mFlags.contains(.hostTimeValid) {
             var timebase = mach_timebase_info_data_t()
@@ -104,9 +141,10 @@ private func audioDeviceIOProc(
         timingInfo.duration = .invalid
         timingInfo.decodeTimeStamp = .invalid
         
-        var sampleBuffer: CMSampleBuffer?
         let bytesPerFrame = Int(ctx.channelsPerFrame) * MemoryLayout<Float32>.size
         let sampleCount = Int(dataSize) / max(bytesPerFrame, 1)
+        
+        var sampleBuffer: CMSampleBuffer?
         let createStatus = CMSampleBufferCreateReady(
             allocator: kCFAllocatorDefault,
             dataBuffer: bb,
@@ -120,17 +158,24 @@ private func audioDeviceIOProc(
         )
         guard createStatus == noErr, let sb = sampleBuffer else {
             if callNum <= 3 {
-                NSLog("[Recorder] \u{26a0}\u{fe0f} Audio sample buffer create failed: %d", createStatus)
+                print("[Recorder] ⚠️ SampleBuffer create failed: \(createStatus), dataSize=\(dataSize), sampleCount=\(sampleCount)")
             }
             return
         }
         
-        if writerInput.isReadyForMoreMediaData && writerInput.append(sb) {
-            ctx.appendCount += 1
-            if !ctx.firstAppendLogged {
-                ctx.firstAppendLogged = true
-                NSLog("[Recorder] ✓ First audio captured: pts=%.2fs, size=%u", pts.mSampleTime / ctx.sampleRate, dataSize)
+        if writerInput.isReadyForMoreMediaData {
+            let appended = writerInput.append(sb)
+            if appended {
+                ctx.appendCount += 1
+                if !ctx.firstAppendLogged {
+                    ctx.firstAppendLogged = true
+                    print("[Recorder] ✓ First audio captured: pts=\(timingInfo.presentationTimeStamp.seconds)s, size=\(dataSize)")
+                }
+            } else if callNum <= 3 {
+                print("[Recorder] ⚠️ writerInput.append returned false")
             }
+        } else if callNum <= 3 {
+            print("[Recorder] ⚠️ writerInput not ready for more data")
         }
     }
     
@@ -146,7 +191,6 @@ enum RecorderState {
 }
 
 /// 视频源录制器：AVPlayerItemVideoOutput 抓帧 + CoreAudio 输出设备捕获音频
-/// 边录边写文件，录制结束后仅改名和移动
 @MainActor
 final class PlayerRecorder: NSObject {
     
@@ -159,18 +203,15 @@ final class PlayerRecorder: NSObject {
     private weak var weakOutput: AVPlayerItemVideoOutput?
     nonisolated(unsafe) private var isRunning = false
     
-    // 视频：缓存上一帧（处理静态画面）
     private var lastPixelBuffer: CVPixelBuffer?
     private var captureFrameCount: Int = 0
     
-    // 音频 (CoreAudio 输出设备)
+    // 音频 (CoreAudio)
     private var audioDeviceID: AudioDeviceID = 0
     private var audioCaptureContext: AudioCaptureContext?
     private var audioIOProc: AudioDeviceIOProc?
     private weak var currentPlayerItem: AVPlayerItem?
-    private var tracksObservation: NSKeyValueObservation?
     
-    // 录制起始时间（用于计算视频相对时间戳）
     nonisolated(unsafe) private var recordStartTime: CMTime = .zero
     
     @Published var isRecording = false
@@ -179,10 +220,8 @@ final class PlayerRecorder: NSObject {
     var onRecordingSaved: ((URL) -> Void)?
     var onError: ((String) -> Void)?
     
-    /// 录制临时文件路径（边录边写到此文件）
     private var tempURL: URL?
     
-    /// 最终保存目录
     private var saveDirectory: URL {
         let movies = FileManager.default.urls(for: .moviesDirectory, in: .userDomainMask).first!
         let dir = movies.appendingPathComponent("MiniPlayer", isDirectory: true)
@@ -202,10 +241,8 @@ final class PlayerRecorder: NSObject {
         isRunning = false
         recordStartTime = startTime
         
-        // 临时文件（边录边写，结束仅改名移动）
         let tempFilename = "temp_recording_\(Int(Date().timeIntervalSince1970)).mp4"
         let url = saveDirectory.appendingPathComponent(tempFilename)
-        // 删除旧文件
         try? FileManager.default.removeItem(at: url)
         tempURL = url
         
@@ -231,19 +268,7 @@ final class PlayerRecorder: NSObject {
             videoInput = vInput
         }
         
-        // 音频输入（AAC）
-        let audioSettings: [String: Any] = [
-            AVFormatIDKey: kAudioFormatMPEG4AAC,
-            AVSampleRateKey: 44100,
-            AVNumberOfChannelsKey: 2,
-            AVEncoderBitRateKey: 128000
-        ]
-        let aInput = AVAssetWriterInput(mediaType: .audio, outputSettings: audioSettings)
-        aInput.expectsMediaDataInRealTime = true
-        if writer.canAdd(aInput) {
-            writer.add(aInput)
-            audioInput = aInput
-        }
+        // 音频输入将在 startAudioCapture 中获取设备格式后用 AAC 编码创建
         
         guard writer.startWriting() else {
             NSLog("[Recorder] startWriting failed: %@", writer.error?.localizedDescription ?? "unknown")
@@ -251,18 +276,16 @@ final class PlayerRecorder: NSObject {
             return
         }
         
-        // session 起点为 0，视频和音频都用相对时间戳
         writer.startSession(atSourceTime: .zero)
         NSLog("[Recorder] Writer started, writing to: %@", url.lastPathComponent)
         
-        // 启动视频抓帧（30fps）
         isRecording = true
         isRunning = true
         startCaptureLoop()
         startDurationTimer()
         
-        // 启动音频捕获 (CoreAudio)
-        startAudioCapture(audioWriterInput: aInput)
+        // 启动音频捕获 (CoreAudio 输出设备，内部创建 audioInput)
+        startAudioCapture()
     }
     
     // MARK: - 停止录制
@@ -271,12 +294,11 @@ final class PlayerRecorder: NSObject {
         guard isRecording else { return }
         isRecording = false
         isRunning = false
-        RecorderState.isFinalizing = true  // 阻止应用退出，直到 finishWriting 完成
+        RecorderState.isFinalizing = true
         captureTimer?.invalidate()
         captureTimer = nil
         stopDurationTimer()
         
-        // 保存音频统计并停止捕获
         let audioCalls = audioCaptureContext?.processCallCount ?? 0
         let audioAppended = audioCaptureContext?.appendCount ?? 0
         NSLog("[Recorder] Stopping: videoFrames=%d, audioProcessCalls=%d, audioAppended=%d",
@@ -290,7 +312,7 @@ final class PlayerRecorder: NSObject {
         writer?.finishWriting { [weak self] in
             NSLog("[Recorder] finishWriting callback invoked")
             DispatchQueue.main.async {
-                RecorderState.isFinalizing = false  // 允许应用退出了
+                RecorderState.isFinalizing = false
                 
                 guard let self = self, let w = self.writer else {
                     NSLog("[Recorder] ⚠️ self or writer is nil in finishWriting callback")
@@ -307,7 +329,6 @@ final class PlayerRecorder: NSObject {
                       vFrames, audioAppended)
                 
                 if w.status == .completed, let tempURL = self.tempURL {
-                    // 检查文件是否存在且有内容
                     if FileManager.default.fileExists(atPath: tempURL.path) {
                         let size = (try? FileManager.default.attributesOfItem(atPath: tempURL.path)[.size] as? UInt64) ?? 0
                         NSLog("[Recorder] ✓ Temp file exists: %@, size=%llu bytes", tempURL.lastPathComponent, size)
@@ -334,9 +355,9 @@ final class PlayerRecorder: NSObject {
     
     // MARK: - 音频捕获 (CoreAudio 输出设备)
     
-    /// 从系统音频输出设备捕获音频（适用于 HLS、本地文件等所有音频源）
-    private func startAudioCapture(audioWriterInput: AVAssetWriterInput) {
-        // 获取默认音频输出设备
+    private func startAudioCapture() {
+        print("[Recorder] startAudioCapture called")
+        
         var deviceID: AudioDeviceID = 0
         var size = UInt32(MemoryLayout<AudioDeviceID>.size)
         var address = AudioObjectPropertyAddress(
@@ -347,8 +368,9 @@ final class PlayerRecorder: NSObject {
         let status = AudioObjectGetPropertyData(
             AudioObjectID(kAudioObjectSystemObject), &address, 0, nil, &size, &deviceID
         )
+        print("[Recorder] Get default device status: \(status), deviceID: \(deviceID)")
         guard status == noErr, deviceID != 0 else {
-            NSLog("[Recorder] \u{274c} Cannot get default audio output device: %d", status)
+            print("[Recorder] ❌ Cannot get default audio output device")
             return
         }
         self.audioDeviceID = deviceID
@@ -362,23 +384,14 @@ final class PlayerRecorder: NSObject {
         var asbd = AudioStreamBasicDescription()
         size = UInt32(MemoryLayout<AudioStreamBasicDescription>.size)
         let fmtStatus = AudioObjectGetPropertyData(deviceID, &streamFormatAddress, 0, nil, &size, &asbd)
+        print("[Recorder] Stream format: status=\(fmtStatus), rate=\(asbd.mSampleRate), ch=\(asbd.mChannelsPerFrame), bits=\(asbd.mBitsPerChannel), formatID=\(asbd.mFormatID)")
         guard fmtStatus == noErr else {
-            NSLog("[Recorder] \u{274c} Cannot get audio stream format: %d", fmtStatus)
+            print("[Recorder] ❌ Cannot get audio stream format")
             return
         }
         
-        NSLog("[Recorder] Audio output format: %.1fHz, %uch, %ubit, formatID=%u",
-              asbd.mSampleRate, asbd.mChannelsPerFrame, asbd.mBitsPerChannel, asbd.mFormatID)
-        
-        // 创建 context
-        let context = AudioCaptureContext()
-        context.writerInput = audioWriterInput
-        context.sampleRate = Double(asbd.mSampleRate)
-        context.channelsPerFrame = asbd.mChannelsPerFrame
-        context.isRunning = true
-        self.audioCaptureContext = context
-        
-        // 创建格式描述
+        // 用 AAC 编码创建音频输入（MP4 容器不支持裸 PCM pass-through）
+        // 先创建 CMAudioFormatDescription
         var fmtDesc: CMAudioFormatDescription?
         var mutableASBD = asbd
         CMAudioFormatDescriptionCreate(
@@ -389,27 +402,60 @@ final class PlayerRecorder: NSObject {
             extensions: nil,
             formatDescriptionOut: &fmtDesc
         )
-        context.formatDescription = fmtDesc
+        guard let sourceFmtDesc = fmtDesc else {
+            print("[Recorder] ❌ Cannot create CMAudioFormatDescription")
+            return
+        }
         
-        // 创建 IOProc（使用 unmanaged pointer 传递 context）
+        let audioSettings: [String: Any] = [
+            AVFormatIDKey: kAudioFormatMPEG4AAC,
+            AVSampleRateKey: asbd.mSampleRate,
+            AVNumberOfChannelsKey: asbd.mChannelsPerFrame,
+            AVEncoderBitRateKey: 128_000
+        ]
+        let aInput = AVAssetWriterInput(mediaType: .audio, outputSettings: audioSettings, sourceFormatHint: sourceFmtDesc)
+        aInput.expectsMediaDataInRealTime = true
+        if let w = writer, w.canAdd(aInput) {
+            w.add(aInput)
+            audioInput = aInput
+            print("[Recorder] ✓ AudioInput created with AAC encoding (rate=\(asbd.mSampleRate), ch=\(asbd.mChannelsPerFrame))")
+        } else {
+            print("[Recorder] ❌ Cannot add audio input to writer")
+            return
+        }
+        
+        // 创建 context
+        let context = AudioCaptureContext()
+        context.writerInput = aInput
+        context.sampleRate = Double(asbd.mSampleRate)
+        context.channelsPerFrame = asbd.mChannelsPerFrame
+        context.isRunning = true
+        self.audioCaptureContext = context
+        
+        // 使用前面已创建的格式描述
+        context.formatDescription = sourceFmtDesc
+        print("[Recorder] formatDescription created: true")
+        
+        // 创建 IOProc
         let contextPtr = Unmanaged.passUnretained(context).toOpaque()
         var ioProc: AudioDeviceIOProc?
         let createStatus = AudioDeviceCreateIOProcID(deviceID, audioDeviceIOProc, contextPtr, &ioProc)
+        print("[Recorder] CreateIOProcID status: \(createStatus)")
         guard createStatus == noErr, let proc = ioProc else {
-            NSLog("[Recorder] \u{274c} AudioDeviceCreateIOProcID failed: %d", createStatus)
+            print("[Recorder] ❌ AudioDeviceCreateIOProcID failed: \(createStatus)")
             return
         }
         self.audioIOProc = proc
         
-        // 启动音频捕获
         let startStatus = AudioDeviceStart(deviceID, proc)
+        print("[Recorder] AudioDeviceStart status: \(startStatus)")
         guard startStatus == noErr else {
-            NSLog("[Recorder] \u{274c} AudioDeviceStart failed: %d", startStatus)
+            print("[Recorder] ❌ AudioDeviceStart failed: \(startStatus)")
             AudioDeviceDestroyIOProcID(deviceID, proc)
             self.audioIOProc = nil
             return
         }
-        NSLog("[Recorder] \u{2713} CoreAudio output device capture started (deviceID=%u)", deviceID)
+        NSLog("[Recorder] ✓ CoreAudio output device capture started (deviceID=%u)", deviceID)
     }
     
     private func stopAudioCapture() {
@@ -421,7 +467,6 @@ final class PlayerRecorder: NSObject {
         audioIOProc = nil
         audioCaptureContext = nil
     }
-    
 
     // MARK: - 视频抓帧 (30fps Timer)
     
@@ -440,19 +485,15 @@ final class PlayerRecorder: NSObject {
         let hostTime = CACurrentMediaTime()
         let itemTime = output.itemTime(forHostTime: hostTime)
         
-        // 尝试获取新帧
         if let pb = output.copyPixelBuffer(forItemTime: itemTime, itemTimeForDisplay: nil) {
             lastPixelBuffer = pb
         }
         
-        // 使用缓存帧（处理静态画面）
         guard let pb = lastPixelBuffer else { return }
         
-        // 计算相对时间戳
         let relativeTime = CMTimeSubtract(itemTime, recordStartTime)
         guard relativeTime.seconds >= 0 else { return }
         
-        // 创建 sample buffer 并写入
         if let sb = Self.createSampleBuffer(from: pb, time: relativeTime) {
             if input.append(sb) {
                 captureFrameCount += 1
@@ -483,26 +524,17 @@ final class PlayerRecorder: NSObject {
             sampleTiming: &info,
             sampleBufferOut: &sampleBuffer
         )
+        
         return sampleBuffer
     }
     
-    // MARK: - 计时器
+    // MARK: - 录制时长显示
     
     private func startDurationTimer() {
         startDate = Date()
-        durationText = "00:00"
         durationTimer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] _ in
             Task { @MainActor in
-                guard let self = self, let start = self.startDate else { return }
-                let elapsed = Int(Date().timeIntervalSince(start))
-                let m = elapsed / 60
-                let s = elapsed % 60
-                let h = m / 60
-                if h > 0 {
-                    self.durationText = String(format: "%d:%02d:%02d", h, m % 60, s)
-                } else {
-                    self.durationText = String(format: "%02d:%02d", m, s)
-                }
+                self?.updateDuration()
             }
         }
     }
@@ -510,69 +542,49 @@ final class PlayerRecorder: NSObject {
     private func stopDurationTimer() {
         durationTimer?.invalidate()
         durationTimer = nil
-        startDate = nil
-        durationText = "00:00"
     }
     
-    // MARK: - 文件命名
-    
-    private func generateFinalFilename() -> String {
-        let formatter = DateFormatter()
-        formatter.dateFormat = "yyyy-MM-dd_HH-mm-ss"
-        return "Recording_\(formatter.string(from: Date())).mp4"
+    private func updateDuration() {
+        guard let start = startDate else { return }
+        let elapsed = Int(Date().timeIntervalSince(start))
+        let min = elapsed / 60
+        let sec = elapsed % 60
+        durationText = String(format: "%02d:%02d", min, sec)
     }
     
     // MARK: - 保存对话框
     
     private func showSaveDialog(tempURL: URL) {
         let panel = NSSavePanel()
-        panel.nameFieldStringValue = generateFinalFilename()
         panel.allowedContentTypes = [.mpeg4Movie]
+        panel.nameFieldStringValue = tempURL.lastPathComponent
         panel.directoryURL = saveDirectory
-        panel.title = "保存录制文件"
-        panel.prompt = "保存"
         
         panel.begin { [weak self] response in
-            Task { @MainActor in
-                guard let self = self else {
-                    if RecorderState.pendingTerminate {
-                        RecorderState.pendingTerminate = false
-                        NSApp.reply(toApplicationShouldTerminate: true)
+            if response == .OK, let url = panel.url {
+                do {
+                    if FileManager.default.fileExists(atPath: url.path) {
+                        try FileManager.default.removeItem(at: url)
                     }
-                    return
+                    try FileManager.default.moveItem(at: tempURL, to: url)
+                    NSLog("[Recorder] ✓ Saved: %@", url.path)
+                    self?.onRecordingSaved?(url)
+                } catch {
+                    NSLog("[Recorder] ✗ Save failed: %@", error.localizedDescription)
+                    self?.onError?("Save failed: \(error.localizedDescription)")
                 }
-                
-                if response == .OK, let finalURL = panel.url {
-                    do {
-                        // 如果目标文件已存在，先删除
-                        if FileManager.default.fileExists(atPath: finalURL.path) {
-                            try FileManager.default.removeItem(at: finalURL)
-                        }
-                        // 移动临时文件到最终位置
-                        try FileManager.default.moveItem(at: tempURL, to: finalURL)
-                        NSLog("[Recorder] ✓ Saved: %@", finalURL.path)
-                        self.onRecordingSaved?(finalURL)
-                    } catch {
-                        self.onError?("Save failed: \(error.localizedDescription)")
-                        try? FileManager.default.removeItem(at: tempURL)
-                    }
-                } else {
-                    // 用户取消，删除临时文件
-                    NSLog("[Recorder] User cancelled save, deleting temp file")
-                    try? FileManager.default.removeItem(at: tempURL)
-                }
-                self.checkPendingTerminate()
+            } else {
+                try? FileManager.default.removeItem(at: tempURL)
             }
+            self?.checkPendingTerminate()
         }
     }
     
     private func checkPendingTerminate() {
         if RecorderState.pendingTerminate {
             RecorderState.pendingTerminate = false
-            NSLog("[MiniPlayer] Pending terminate triggered, replying to terminate")
             NSApp.reply(toApplicationShouldTerminate: true)
         }
     }
 }
-
 #endif