diff --git a/Correlator/App.xaml b/Correlator/App.xaml
index 6845c5e..e655880 100644
--- a/Correlator/App.xaml
+++ b/Correlator/App.xaml
@@ -17,7 +17,6 @@
                 </ResourceDictionary>
 
                 <!--  自定义Style  -->
-                <ResourceDictionary Source="Style/CheckBoxStyle.xaml" />
                 <ResourceDictionary Source="Style/StaticColorResource.xaml" />
                 <ResourceDictionary Source="Style/RadioButtonStyle.xaml" />
                 <ResourceDictionary Source="Style/FunctionButtonStyle.xaml" />

diff --git a/Correlator/App.xaml b/Correlator/App.xaml
index 6845c5e..e655880 100644
--- a/Correlator/App.xaml
+++ b/Correlator/App.xaml
@@ -17,7 +17,6 @@
                 </ResourceDictionary>
 
                 <!--  自定义Style  -->
-                <ResourceDictionary Source="Style/CheckBoxStyle.xaml" />
                 <ResourceDictionary Source="Style/StaticColorResource.xaml" />
                 <ResourceDictionary Source="Style/RadioButtonStyle.xaml" />
                 <ResourceDictionary Source="Style/FunctionButtonStyle.xaml" />
diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 0c08dcf..d1be0c8 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -315,10 +315,6 @@
     <Page Include="Dialog\LoadingDialog.xaml" />
     <Page Include="Dialog\SimplyAuditionDialog.xaml" />
     <Page Include="Dialog\SoundSpeedDialog.xaml" />
-    <Page Include="Style\CheckBoxStyle.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
     <Page Include="Style\FunctionButtonStyle.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>

diff --git a/Correlator/App.xaml b/Correlator/App.xaml
index 6845c5e..e655880 100644
--- a/Correlator/App.xaml
+++ b/Correlator/App.xaml
@@ -17,7 +17,6 @@
                 </ResourceDictionary>
 
                 <!--  自定义Style  -->
-                <ResourceDictionary Source="Style/CheckBoxStyle.xaml" />
                 <ResourceDictionary Source="Style/StaticColorResource.xaml" />
                 <ResourceDictionary Source="Style/RadioButtonStyle.xaml" />
                 <ResourceDictionary Source="Style/FunctionButtonStyle.xaml" />
diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 0c08dcf..d1be0c8 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -315,10 +315,6 @@
     <Page Include="Dialog\LoadingDialog.xaml" />
     <Page Include="Dialog\SimplyAuditionDialog.xaml" />
     <Page Include="Dialog\SoundSpeedDialog.xaml" />
-    <Page Include="Style\CheckBoxStyle.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
     <Page Include="Style\FunctionButtonStyle.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Correlator/Model/AudioFile.cs b/Correlator/Model/AudioFile.cs
index 80a93b5..fa00499 100644
--- a/Correlator/Model/AudioFile.cs
+++ b/Correlator/Model/AudioFile.cs
@@ -21,8 +21,5 @@
 
         // 创建时间
         public string CreationTime { get; set; }
-
-        //是否正在播放
-        public bool IsPlaying { get; set; }
     }
 }
\ No newline at end of file

diff --git a/Correlator/App.xaml b/Correlator/App.xaml
index 6845c5e..e655880 100644
--- a/Correlator/App.xaml
+++ b/Correlator/App.xaml
@@ -17,7 +17,6 @@
                 </ResourceDictionary>
 
                 <!--  自定义Style  -->
-                <ResourceDictionary Source="Style/CheckBoxStyle.xaml" />
                 <ResourceDictionary Source="Style/StaticColorResource.xaml" />
                 <ResourceDictionary Source="Style/RadioButtonStyle.xaml" />
                 <ResourceDictionary Source="Style/FunctionButtonStyle.xaml" />
diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 0c08dcf..d1be0c8 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -315,10 +315,6 @@
     <Page Include="Dialog\LoadingDialog.xaml" />
     <Page Include="Dialog\SimplyAuditionDialog.xaml" />
     <Page Include="Dialog\SoundSpeedDialog.xaml" />
-    <Page Include="Style\CheckBoxStyle.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
     <Page Include="Style\FunctionButtonStyle.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Correlator/Model/AudioFile.cs b/Correlator/Model/AudioFile.cs
index 80a93b5..fa00499 100644
--- a/Correlator/Model/AudioFile.cs
+++ b/Correlator/Model/AudioFile.cs
@@ -21,8 +21,5 @@
 
         // 创建时间
         public string CreationTime { get; set; }
-
-        //是否正在播放
-        public bool IsPlaying { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Correlator/Style/CheckBoxStyle.xaml b/Correlator/Style/CheckBoxStyle.xaml
deleted file mode 100644
index 62083d2..0000000
--- a/Correlator/Style/CheckBoxStyle.xaml
+++ /dev/null
@@ -1,80 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <Style x:Key="AuditionCheckBoxStyle" TargetType="{x:Type CheckBox}">
-        <Setter Property="FocusVisualStyle" Value="{x:Null}" />
-        <Setter Property="Height" Value="100" />
-        <Setter Property="Width" Value="80" />
-        <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="Foreground" Value="#989898" />
-        <Setter Property="FontSize" Value="14" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type CheckBox}">
-                    <Grid Width="80" Height="100">
-                        <Grid.RowDefinitions>
-                            <RowDefinition Height="4*" />
-                            <RowDefinition Height="*" />
-                        </Grid.RowDefinitions>
-                        <Border
-                            x:Name="bdr"
-                            Grid.Row="0"
-                            Width="63"
-                            Height="63">
-                            <Border.Background>
-                                <ImageBrush ImageSource="/Correlator;component/Image/btn_icon2.png" />
-                            </Border.Background>
-                            <Grid>
-                                <Border
-                                    x:Name="bdrMute"
-                                    Width="29"
-                                    Height="26">
-                                    <Border.Background>
-                                        <ImageBrush ImageSource="/Correlator;component/Image/t_icon6.png" />
-                                    </Border.Background>
-                                </Border>
-                                <Border
-                                    x:Name="bdrUnMute"
-                                    Width="29"
-                                    Height="26">
-                                    <Border.Background>
-                                        <ImageBrush ImageSource="/Correlator;component/Image/t_icon3.png" />
-                                    </Border.Background>
-                                </Border>
-                            </Grid>
-                        </Border>
-                        <TextBlock
-                            Grid.Row="1"
-                            HorizontalAlignment="Center"
-                            VerticalAlignment="Center"
-                            FontSize="{TemplateBinding FontSize}"
-                            Foreground="{TemplateBinding Foreground}"
-                            Text="{TemplateBinding Content}" />
-                    </Grid>
-                    <ControlTemplate.Triggers>
-                        <Trigger Property="IsChecked" Value="True">
-                            <Setter TargetName="bdrMute" Property="Visibility" Value="Visible" />
-                            <Setter TargetName="bdrUnMute" Property="Visibility" Value="Collapsed" />
-                        </Trigger>
-                        <Trigger Property="IsChecked" Value="False">
-                            <Setter TargetName="bdrMute" Property="Visibility" Value="Collapsed" />
-                            <Setter TargetName="bdrUnMute" Property="Visibility" Value="Visible" />
-                        </Trigger>
-                        <Trigger Property="IsMouseOver" Value="true">
-                            <Setter TargetName="bdr" Property="Background">
-                                <Setter.Value>
-                                    <ImageBrush ImageSource="/Correlator;component/Image/btn_icon02.png" />
-                                </Setter.Value>
-                            </Setter>
-                        </Trigger>
-                        <Trigger Property="Tag" Value="1">
-                            <Setter TargetName="bdr" Property="Background">
-                                <Setter.Value>
-                                    <ImageBrush ImageSource="/Correlator;component/Image/btn_icon1.png" />
-                                </Setter.Value>
-                            </Setter>
-                        </Trigger>
-                    </ControlTemplate.Triggers>
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-    </Style>
-</ResourceDictionary>
\ No newline at end of file

diff --git a/Correlator/App.xaml b/Correlator/App.xaml
index 6845c5e..e655880 100644
--- a/Correlator/App.xaml
+++ b/Correlator/App.xaml
@@ -17,7 +17,6 @@
                 </ResourceDictionary>
 
                 <!--  自定义Style  -->
-                <ResourceDictionary Source="Style/CheckBoxStyle.xaml" />
                 <ResourceDictionary Source="Style/StaticColorResource.xaml" />
                 <ResourceDictionary Source="Style/RadioButtonStyle.xaml" />
                 <ResourceDictionary Source="Style/FunctionButtonStyle.xaml" />
diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 0c08dcf..d1be0c8 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -315,10 +315,6 @@
     <Page Include="Dialog\LoadingDialog.xaml" />
     <Page Include="Dialog\SimplyAuditionDialog.xaml" />
     <Page Include="Dialog\SoundSpeedDialog.xaml" />
-    <Page Include="Style\CheckBoxStyle.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
     <Page Include="Style\FunctionButtonStyle.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Correlator/Model/AudioFile.cs b/Correlator/Model/AudioFile.cs
index 80a93b5..fa00499 100644
--- a/Correlator/Model/AudioFile.cs
+++ b/Correlator/Model/AudioFile.cs
@@ -21,8 +21,5 @@
 
         // 创建时间
         public string CreationTime { get; set; }
-
-        //是否正在播放
-        public bool IsPlaying { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Correlator/Style/CheckBoxStyle.xaml b/Correlator/Style/CheckBoxStyle.xaml
deleted file mode 100644
index 62083d2..0000000
--- a/Correlator/Style/CheckBoxStyle.xaml
+++ /dev/null
@@ -1,80 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <Style x:Key="AuditionCheckBoxStyle" TargetType="{x:Type CheckBox}">
-        <Setter Property="FocusVisualStyle" Value="{x:Null}" />
-        <Setter Property="Height" Value="100" />
-        <Setter Property="Width" Value="80" />
-        <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="Foreground" Value="#989898" />
-        <Setter Property="FontSize" Value="14" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type CheckBox}">
-                    <Grid Width="80" Height="100">
-                        <Grid.RowDefinitions>
-                            <RowDefinition Height="4*" />
-                            <RowDefinition Height="*" />
-                        </Grid.RowDefinitions>
-                        <Border
-                            x:Name="bdr"
-                            Grid.Row="0"
-                            Width="63"
-                            Height="63">
-                            <Border.Background>
-                                <ImageBrush ImageSource="/Correlator;component/Image/btn_icon2.png" />
-                            </Border.Background>
-                            <Grid>
-                                <Border
-                                    x:Name="bdrMute"
-                                    Width="29"
-                                    Height="26">
-                                    <Border.Background>
-                                        <ImageBrush ImageSource="/Correlator;component/Image/t_icon6.png" />
-                                    </Border.Background>
-                                </Border>
-                                <Border
-                                    x:Name="bdrUnMute"
-                                    Width="29"
-                                    Height="26">
-                                    <Border.Background>
-                                        <ImageBrush ImageSource="/Correlator;component/Image/t_icon3.png" />
-                                    </Border.Background>
-                                </Border>
-                            </Grid>
-                        </Border>
-                        <TextBlock
-                            Grid.Row="1"
-                            HorizontalAlignment="Center"
-                            VerticalAlignment="Center"
-                            FontSize="{TemplateBinding FontSize}"
-                            Foreground="{TemplateBinding Foreground}"
-                            Text="{TemplateBinding Content}" />
-                    </Grid>
-                    <ControlTemplate.Triggers>
-                        <Trigger Property="IsChecked" Value="True">
-                            <Setter TargetName="bdrMute" Property="Visibility" Value="Visible" />
-                            <Setter TargetName="bdrUnMute" Property="Visibility" Value="Collapsed" />
-                        </Trigger>
-                        <Trigger Property="IsChecked" Value="False">
-                            <Setter TargetName="bdrMute" Property="Visibility" Value="Collapsed" />
-                            <Setter TargetName="bdrUnMute" Property="Visibility" Value="Visible" />
-                        </Trigger>
-                        <Trigger Property="IsMouseOver" Value="true">
-                            <Setter TargetName="bdr" Property="Background">
-                                <Setter.Value>
-                                    <ImageBrush ImageSource="/Correlator;component/Image/btn_icon02.png" />
-                                </Setter.Value>
-                            </Setter>
-                        </Trigger>
-                        <Trigger Property="Tag" Value="1">
-                            <Setter TargetName="bdr" Property="Background">
-                                <Setter.Value>
-                                    <ImageBrush ImageSource="/Correlator;component/Image/btn_icon1.png" />
-                                </Setter.Value>
-                            </Setter>
-                        </Trigger>
-                    </ControlTemplate.Triggers>
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-    </Style>
-</ResourceDictionary>
\ No newline at end of file
diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index e8ea51b..7480223 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -295,8 +295,7 @@
                         FileSource = fileSource,
                         FullPath = DirectoryManager.GetAudioDir() + "\\" + fileName,
                         FileSize = file.Length.FormatFileSize(),
-                        CreationTime = file.LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss"),
-                        IsPlaying = false
+                        CreationTime = file.LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss")
                     });
                 }
             }