diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 7480223..3e6ab4a 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -184,10 +184,7 @@
 
                 if (_waveOutEvent.PlaybackState == PlaybackState.Playing)
                 {
-                    _waveOutEvent.Dispose();
-                    _audioFileReader.Dispose();
-                    _audioTimer.Stop();
-                    AudioState = "未播放";
+                    DisposeResource();
                 }
                 else
                 {
@@ -203,6 +200,8 @@
                     }
                     catch (FormatException)
                     {
+                        DisposeResource();
+
                         dialogService.ShowDialog(
                             "AlertMessageDialog",
                             new DialogParameters
@@ -255,6 +254,14 @@
             });
         }
 
+        private void DisposeResource()
+        {
+            _waveOutEvent?.Dispose();
+            _audioFileReader?.Dispose();
+            _audioTimer?.Stop();
+            AudioState = "未播放";
+        }
+
         public bool CanCloseDialog()
         {
             return true;

diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 7480223..3e6ab4a 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -184,10 +184,7 @@
 
                 if (_waveOutEvent.PlaybackState == PlaybackState.Playing)
                 {
-                    _waveOutEvent.Dispose();
-                    _audioFileReader.Dispose();
-                    _audioTimer.Stop();
-                    AudioState = "未播放";
+                    DisposeResource();
                 }
                 else
                 {
@@ -203,6 +200,8 @@
                     }
                     catch (FormatException)
                     {
+                        DisposeResource();
+
                         dialogService.ShowDialog(
                             "AlertMessageDialog",
                             new DialogParameters
@@ -255,6 +254,14 @@
             });
         }
 
+        private void DisposeResource()
+        {
+            _waveOutEvent?.Dispose();
+            _audioFileReader?.Dispose();
+            _audioTimer?.Stop();
+            AudioState = "未播放";
+        }
+
         public bool CanCloseDialog()
         {
             return true;
diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index 62ec37f..75ad8f3 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -953,7 +953,7 @@
                 if (RuntimeCache.CorrelatorData != null)
                 {
                     var filePath =
-                        $"{DirectoryManager.GetAudioDir()}\\音频_{DateTime.Now.ToString("yyyyMMddHHmmss")}.wav";
+                        $"{DirectoryManager.GetAudioDir()}\\音频_{DateTime.Now.ToString("yyyyMMdd_HHmmss")}.wav";
                     filePath.SaveWavFile(
                         RuntimeCache.CorrelatorData.LeftDeviceDataArray,
                         RuntimeCache.CorrelatorData.RightDeviceDataArray