diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 77ea65c..bfbeb3a 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -21,6 +21,7 @@
         public string Title { get; private set; } = string.Empty;
         public event Action<IDialogResult> RequestClose;
         private List<AudioFile> _totalFiles;
+
         private List<AudioFile> _audioFiles;
 
         public List<AudioFile> AudioFiles
@@ -33,6 +34,18 @@
             }
         }
 
+        private string _audioState = "未播放";
+
+        public string AudioState
+        {
+            get => _audioState;
+            set
+            {
+                _audioState = value;
+                RaisePropertyChanged();
+            }
+        }
+
         private int _pageIndex = 1;
 
         public int PageIndex
@@ -114,7 +127,10 @@
 
                 if (_waveOutEvent.PlaybackState == PlaybackState.Playing)
                 {
-                    _waveOutEvent.Stop();
+                    _waveOutEvent.Dispose();
+                    _audioFileReader.Dispose();
+
+                    AudioState = "未播放";
                 }
                 else
                 {
@@ -123,6 +139,9 @@
                         _audioFileReader = new AudioFileReader(_selectedFile.FullPath);
                         _waveOutEvent.Init(_audioFileReader);
                         _waveOutEvent.Play();
+
+                        //获取时长
+                        AudioState = $"时长：{_audioFileReader.TotalTime.TotalSeconds}s";
                     }
                     catch (FormatException)
                     {

diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 77ea65c..bfbeb3a 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -21,6 +21,7 @@
         public string Title { get; private set; } = string.Empty;
         public event Action<IDialogResult> RequestClose;
         private List<AudioFile> _totalFiles;
+
         private List<AudioFile> _audioFiles;
 
         public List<AudioFile> AudioFiles
@@ -33,6 +34,18 @@
             }
         }
 
+        private string _audioState = "未播放";
+
+        public string AudioState
+        {
+            get => _audioState;
+            set
+            {
+                _audioState = value;
+                RaisePropertyChanged();
+            }
+        }
+
         private int _pageIndex = 1;
 
         public int PageIndex
@@ -114,7 +127,10 @@
 
                 if (_waveOutEvent.PlaybackState == PlaybackState.Playing)
                 {
-                    _waveOutEvent.Stop();
+                    _waveOutEvent.Dispose();
+                    _audioFileReader.Dispose();
+
+                    AudioState = "未播放";
                 }
                 else
                 {
@@ -123,6 +139,9 @@
                         _audioFileReader = new AudioFileReader(_selectedFile.FullPath);
                         _waveOutEvent.Init(_audioFileReader);
                         _waveOutEvent.Play();
+
+                        //获取时长
+                        AudioState = $"时长：{_audioFileReader.TotalTime.TotalSeconds}s";
                     }
                     catch (FormatException)
                     {
diff --git a/Correlator/Views/AudioFileView.xaml b/Correlator/Views/AudioFileView.xaml
index fa4beff..7db2fd4 100644
--- a/Correlator/Views/AudioFileView.xaml
+++ b/Correlator/Views/AudioFileView.xaml
@@ -31,10 +31,17 @@
             <RowDefinition Height="80" />
         </Grid.RowDefinitions>
         <Grid Grid.Row="0">
-            <StackPanel Margin="20,0,0,0" Orientation="Horizontal">
+            <Grid Margin="30,0">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+
                 <Button
+                    Grid.Column="0"
                     Height="40"
-                    Margin="10,0"
+                    Margin="0,0,10,0"
                     Command="{Binding GoBackCommand}">
                     <StackPanel Orientation="Horizontal">
                         <TextBlock
@@ -47,14 +54,26 @@
                     </StackPanel>
                 </Button>
 
-                <StackPanel VerticalAlignment="Center" Orientation="Vertical">
+                <StackPanel
+                    Grid.Column="1"
+                    VerticalAlignment="Center"
+                    Orientation="Vertical">
                     <TextBlock FontSize="18" Text="文件列表" />
                     <TextBlock
                         FontSize="14"
                         Foreground="#cecece"
                         Text="File List" />
                 </StackPanel>
-            </StackPanel>
+
+                <TextBlock
+                    Grid.Column="2"
+                    Margin="10,0"
+                    VerticalAlignment="Center"
+                    FontSize="18"
+                    Foreground="Black"
+                    Text="{Binding AudioState}"
+                    TextAlignment="Center" />
+            </Grid>
         </Grid>
 
         <DataGrid