diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index 8dfaa73..414c76c 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -468,7 +468,6 @@
 
         public DelegateCommand<MainWindow> WindowLoadedCommand { set; get; }
         public DelegateCommand<MainWindow> CloseWindowCommand { private set; get; }
-        public DelegateCommand<Popup> OpenFolderCommand { private set; get; }
         public DelegateCommand<Popup> OpenImageFileCommand { private set; get; }
         public DelegateCommand<Popup> OpenAudioFileCommand { private set; get; }
         public DelegateCommand OpenListenAudioCommand { private set; get; }
@@ -476,11 +475,9 @@
         public DelegateCommand OpenNumericKeypadCommand { private set; get; }
         public DelegateCommand<ComboBox> PipeItemSelectedCommand { set; get; }
         public DelegateCommand DetectNoiseCommand { private set; get; }
-        public DelegateCommand<Popup> ExtensionsCommand { private set; get; }
         public DelegateCommand<Popup> SoundSampleRateCommand { private set; get; }
         public DelegateCommand<Popup> SoundSpeedCommand { private set; get; }
         public DelegateCommand<Popup> ImportDataCommand { private set; get; }
-        public DelegateCommand<Popup> HelpCenterCommand { private set; get; }
         public DelegateCommand<Popup> ShowLogCommand { private set; get; }
         public DelegateCommand<Popup> ShowApplicationInfoCommand { private set; get; }
         public DelegateCommand SaveAudioCommand { private set; get; }
@@ -530,16 +527,13 @@
             //界面加载完成
             WindowLoadedCommand = new DelegateCommand<MainWindow>(WindowLoaded);
             CloseWindowCommand = new DelegateCommand<MainWindow>(CloseWindow);
-            OpenFolderCommand = new DelegateCommand<Popup>(OpenFolder);
             OpenImageFileCommand = new DelegateCommand<Popup>(OpenImageFile);
             OpenAudioFileCommand = new DelegateCommand<Popup>(OpenAudioFile);
             OpenListenAudioCommand = new DelegateCommand(OpenListenAudio);
             DetectNoiseCommand = new DelegateCommand(DetectNoise);
-            ExtensionsCommand = new DelegateCommand<Popup>(ShowExtensions);
             SoundSampleRateCommand = new DelegateCommand<Popup>(ShowSoundSampleRate);
             SoundSpeedCommand = new DelegateCommand<Popup>(ShowSoundSpeed);
             ImportDataCommand = new DelegateCommand<Popup>(ImportData);
-            HelpCenterCommand = new DelegateCommand<Popup>(ShowHelpCenter);
             ShowLogCommand = new DelegateCommand<Popup>(ShowLog);
             ShowApplicationInfoCommand = new DelegateCommand<Popup>(ShowApplicationInfo);
             ShowWaveCommand = new DelegateCommand(ShowWave);
@@ -631,11 +625,6 @@
             }
         }
 
-        private void OpenFolder(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void OpenImageFile(Popup popup)
         {
             _dialogService.Show("ScreenImageFileDialog", null, delegate { });
@@ -670,11 +659,6 @@
             _dialogService.Show("DetectNoiseDialog", null, delegate { });
         }
 
-        private void ShowExtensions(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowSoundSampleRate(Popup popup)
         {
             _dialogService.Show("SoundSampleRateDialog", null, delegate { });
@@ -738,11 +722,6 @@
             popup.IsOpen = false;
         }
 
-        private void ShowHelpCenter(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowLog(Popup popup)
         {
             try

diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index 8dfaa73..414c76c 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -468,7 +468,6 @@
 
         public DelegateCommand<MainWindow> WindowLoadedCommand { set; get; }
         public DelegateCommand<MainWindow> CloseWindowCommand { private set; get; }
-        public DelegateCommand<Popup> OpenFolderCommand { private set; get; }
         public DelegateCommand<Popup> OpenImageFileCommand { private set; get; }
         public DelegateCommand<Popup> OpenAudioFileCommand { private set; get; }
         public DelegateCommand OpenListenAudioCommand { private set; get; }
@@ -476,11 +475,9 @@
         public DelegateCommand OpenNumericKeypadCommand { private set; get; }
         public DelegateCommand<ComboBox> PipeItemSelectedCommand { set; get; }
         public DelegateCommand DetectNoiseCommand { private set; get; }
-        public DelegateCommand<Popup> ExtensionsCommand { private set; get; }
         public DelegateCommand<Popup> SoundSampleRateCommand { private set; get; }
         public DelegateCommand<Popup> SoundSpeedCommand { private set; get; }
         public DelegateCommand<Popup> ImportDataCommand { private set; get; }
-        public DelegateCommand<Popup> HelpCenterCommand { private set; get; }
         public DelegateCommand<Popup> ShowLogCommand { private set; get; }
         public DelegateCommand<Popup> ShowApplicationInfoCommand { private set; get; }
         public DelegateCommand SaveAudioCommand { private set; get; }
@@ -530,16 +527,13 @@
             //界面加载完成
             WindowLoadedCommand = new DelegateCommand<MainWindow>(WindowLoaded);
             CloseWindowCommand = new DelegateCommand<MainWindow>(CloseWindow);
-            OpenFolderCommand = new DelegateCommand<Popup>(OpenFolder);
             OpenImageFileCommand = new DelegateCommand<Popup>(OpenImageFile);
             OpenAudioFileCommand = new DelegateCommand<Popup>(OpenAudioFile);
             OpenListenAudioCommand = new DelegateCommand(OpenListenAudio);
             DetectNoiseCommand = new DelegateCommand(DetectNoise);
-            ExtensionsCommand = new DelegateCommand<Popup>(ShowExtensions);
             SoundSampleRateCommand = new DelegateCommand<Popup>(ShowSoundSampleRate);
             SoundSpeedCommand = new DelegateCommand<Popup>(ShowSoundSpeed);
             ImportDataCommand = new DelegateCommand<Popup>(ImportData);
-            HelpCenterCommand = new DelegateCommand<Popup>(ShowHelpCenter);
             ShowLogCommand = new DelegateCommand<Popup>(ShowLog);
             ShowApplicationInfoCommand = new DelegateCommand<Popup>(ShowApplicationInfo);
             ShowWaveCommand = new DelegateCommand(ShowWave);
@@ -631,11 +625,6 @@
             }
         }
 
-        private void OpenFolder(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void OpenImageFile(Popup popup)
         {
             _dialogService.Show("ScreenImageFileDialog", null, delegate { });
@@ -670,11 +659,6 @@
             _dialogService.Show("DetectNoiseDialog", null, delegate { });
         }
 
-        private void ShowExtensions(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowSoundSampleRate(Popup popup)
         {
             _dialogService.Show("SoundSampleRateDialog", null, delegate { });
@@ -738,11 +722,6 @@
             popup.IsOpen = false;
         }
 
-        private void ShowHelpCenter(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowLog(Popup popup)
         {
             try
diff --git a/Correlator/Views/MainWindow.xaml b/Correlator/Views/MainWindow.xaml
index dd0a4d4..a6dc8c4 100644
--- a/Correlator/Views/MainWindow.xaml
+++ b/Correlator/Views/MainWindow.xaml
@@ -73,11 +73,7 @@
                     </StackPanel>
                 </Button>
 
-                <Button
-                    x:Name="FolderButton"
-                    Command="{Binding OpenFolderCommand}"
-                    CommandParameter="{Binding ElementName=FolderButtonPop}"
-                    Style="{StaticResource MainMenuButtonStyle}">
+                <Button x:Name="FolderButton" Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
                             Width="30"
@@ -155,8 +151,6 @@
                 <Button
                     x:Name="ExtensionsButton"
                     Margin="10,0"
-                    Command="{Binding ExtensionsCommand}"
-                    CommandParameter="{Binding ElementName=ExtensionsButtonPop}"
                     Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
@@ -209,8 +203,6 @@
                 <Button
                     x:Name="HelpCenterButton"
                     Margin="10,0"
-                    Command="{Binding HelpCenterCommand}"
-                    CommandParameter="{Binding ElementName=HelpCenterButtonPop}"
                     Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
@@ -239,10 +231,10 @@
                 <Popup
                     x:Name="FolderButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=FolderButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -319,10 +311,10 @@
                 <Popup
                     x:Name="ExtensionsButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=ExtensionsButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -421,10 +413,10 @@
                 <Popup
                     x:Name="HelpCenterButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=HelpCenterButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -605,7 +597,7 @@
 
                                     <Button
                                         Grid.Column="2"
-                                        Margin="0,0,10,0"
+                                        Margin="10,0"
                                         HorizontalAlignment="Right"
                                         VerticalAlignment="Center"
                                         Command="{Binding ShowWaveCommand}"

diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index 8dfaa73..414c76c 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -468,7 +468,6 @@
 
         public DelegateCommand<MainWindow> WindowLoadedCommand { set; get; }
         public DelegateCommand<MainWindow> CloseWindowCommand { private set; get; }
-        public DelegateCommand<Popup> OpenFolderCommand { private set; get; }
         public DelegateCommand<Popup> OpenImageFileCommand { private set; get; }
         public DelegateCommand<Popup> OpenAudioFileCommand { private set; get; }
         public DelegateCommand OpenListenAudioCommand { private set; get; }
@@ -476,11 +475,9 @@
         public DelegateCommand OpenNumericKeypadCommand { private set; get; }
         public DelegateCommand<ComboBox> PipeItemSelectedCommand { set; get; }
         public DelegateCommand DetectNoiseCommand { private set; get; }
-        public DelegateCommand<Popup> ExtensionsCommand { private set; get; }
         public DelegateCommand<Popup> SoundSampleRateCommand { private set; get; }
         public DelegateCommand<Popup> SoundSpeedCommand { private set; get; }
         public DelegateCommand<Popup> ImportDataCommand { private set; get; }
-        public DelegateCommand<Popup> HelpCenterCommand { private set; get; }
         public DelegateCommand<Popup> ShowLogCommand { private set; get; }
         public DelegateCommand<Popup> ShowApplicationInfoCommand { private set; get; }
         public DelegateCommand SaveAudioCommand { private set; get; }
@@ -530,16 +527,13 @@
             //界面加载完成
             WindowLoadedCommand = new DelegateCommand<MainWindow>(WindowLoaded);
             CloseWindowCommand = new DelegateCommand<MainWindow>(CloseWindow);
-            OpenFolderCommand = new DelegateCommand<Popup>(OpenFolder);
             OpenImageFileCommand = new DelegateCommand<Popup>(OpenImageFile);
             OpenAudioFileCommand = new DelegateCommand<Popup>(OpenAudioFile);
             OpenListenAudioCommand = new DelegateCommand(OpenListenAudio);
             DetectNoiseCommand = new DelegateCommand(DetectNoise);
-            ExtensionsCommand = new DelegateCommand<Popup>(ShowExtensions);
             SoundSampleRateCommand = new DelegateCommand<Popup>(ShowSoundSampleRate);
             SoundSpeedCommand = new DelegateCommand<Popup>(ShowSoundSpeed);
             ImportDataCommand = new DelegateCommand<Popup>(ImportData);
-            HelpCenterCommand = new DelegateCommand<Popup>(ShowHelpCenter);
             ShowLogCommand = new DelegateCommand<Popup>(ShowLog);
             ShowApplicationInfoCommand = new DelegateCommand<Popup>(ShowApplicationInfo);
             ShowWaveCommand = new DelegateCommand(ShowWave);
@@ -631,11 +625,6 @@
             }
         }
 
-        private void OpenFolder(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void OpenImageFile(Popup popup)
         {
             _dialogService.Show("ScreenImageFileDialog", null, delegate { });
@@ -670,11 +659,6 @@
             _dialogService.Show("DetectNoiseDialog", null, delegate { });
         }
 
-        private void ShowExtensions(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowSoundSampleRate(Popup popup)
         {
             _dialogService.Show("SoundSampleRateDialog", null, delegate { });
@@ -738,11 +722,6 @@
             popup.IsOpen = false;
         }
 
-        private void ShowHelpCenter(Popup popup)
-        {
-            popup.IsOpen = true;
-        }
-
         private void ShowLog(Popup popup)
         {
             try
diff --git a/Correlator/Views/MainWindow.xaml b/Correlator/Views/MainWindow.xaml
index dd0a4d4..a6dc8c4 100644
--- a/Correlator/Views/MainWindow.xaml
+++ b/Correlator/Views/MainWindow.xaml
@@ -73,11 +73,7 @@
                     </StackPanel>
                 </Button>
 
-                <Button
-                    x:Name="FolderButton"
-                    Command="{Binding OpenFolderCommand}"
-                    CommandParameter="{Binding ElementName=FolderButtonPop}"
-                    Style="{StaticResource MainMenuButtonStyle}">
+                <Button x:Name="FolderButton" Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
                             Width="30"
@@ -155,8 +151,6 @@
                 <Button
                     x:Name="ExtensionsButton"
                     Margin="10,0"
-                    Command="{Binding ExtensionsCommand}"
-                    CommandParameter="{Binding ElementName=ExtensionsButtonPop}"
                     Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
@@ -209,8 +203,6 @@
                 <Button
                     x:Name="HelpCenterButton"
                     Margin="10,0"
-                    Command="{Binding HelpCenterCommand}"
-                    CommandParameter="{Binding ElementName=HelpCenterButtonPop}"
                     Style="{StaticResource MainMenuButtonStyle}">
                     <StackPanel Margin="8,5" Orientation="Horizontal">
                         <Border
@@ -239,10 +231,10 @@
                 <Popup
                     x:Name="FolderButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=FolderButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -319,10 +311,10 @@
                 <Popup
                     x:Name="ExtensionsButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=ExtensionsButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -421,10 +413,10 @@
                 <Popup
                     x:Name="HelpCenterButtonPop"
                     AllowsTransparency="True"
+                    HorizontalOffset="118"
                     Placement="Bottom"
                     PlacementTarget="{Binding ElementName=HelpCenterButton}"
                     StaysOpen="False">
-
                     <Border BorderThickness="1" CornerRadius="5">
                         <Border.Effect>
                             <DropShadowEffect ShadowDepth="0" Color="{StaticResource MainThemeColor}" />
@@ -605,7 +597,7 @@
 
                                     <Button
                                         Grid.Column="2"
-                                        Margin="0,0,10,0"
+                                        Margin="10,0"
                                         HorizontalAlignment="Right"
                                         VerticalAlignment="Center"
                                         Command="{Binding ShowWaveCommand}"
diff --git a/Correlator/Views/MainWindow.xaml.cs b/Correlator/Views/MainWindow.xaml.cs
index 6988e75..d68fc3e 100644
--- a/Correlator/Views/MainWindow.xaml.cs
+++ b/Correlator/Views/MainWindow.xaml.cs
@@ -150,6 +150,16 @@
             };
 
             #endregion
+
+            #region ButtonClickEvent
+
+            FolderButton.Click += delegate { FolderButtonPop.IsOpen = true; };
+
+            ExtensionsButton.Click += delegate { ExtensionsButtonPop.IsOpen = true; };
+
+            HelpCenterButton.Click += delegate { HelpCenterButtonPop.IsOpen = true; };
+
+            #endregion
         }
     }
 }
\ No newline at end of file