diff --git a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
index 59aa4d6..f6e1464 100644
--- a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
@@ -7,6 +7,7 @@ using Spine.Exporters;
 using SpineViewer.Extensions;
 using SpineViewer.Models;
 using SpineViewer.Resources;
+using SpineViewer.Services;
 using SpineViewer.ViewModels.MainWindow;
 using System;
 using System.Collections;
@@ -74,6 +75,16 @@ namespace SpineViewer.ViewModels.Exporters
         public uint MaxResolution { get => _maxResolution; set => SetProperty(ref _maxResolution, value); }
         protected uint _maxResolution = 2048;
 
+        public RelayCommand Cmd_SelectOutputDir => _cmd_SelectOutputDir ??= new(() =>
+        {
+            if (DialogService.ShowOpenFolderDialog(out var selectedPath))
+            {
+                _outputDir = selectedPath;
+                OnPropertyChanged(nameof(OutputDir));
+            }
+        });
+        protected RelayCommand _cmd_SelectOutputDir;
+
         /// <summary>
         /// 使用提供的包围盒设置自动分辨率
         /// </summary>
diff --git a/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml b/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml
index 81f9288..58336f6 100644
--- a/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml
+++ b/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml
@@ -92,7 +92,7 @@
                                 </Grid.ColumnDefinitions>
                                 <Label Content="{DynamicResource Str_OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 <DockPanel Grid.Column="1">
-                                    <Button DockPanel.Dock="Right" Content="..." Click="ButtonSelectOutputDir_Click"/>
+                                    <Button DockPanel.Dock="Right" Content="..." Command="{Binding Cmd_SelectOutputDir}"/>
                                     <TextBox Text="{Binding OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 </DockPanel>
                             </Grid>
diff --git a/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml.cs b/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml.cs
index 8b45daf..3b0efd3 100644
--- a/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml.cs
+++ b/SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml.cs
@@ -42,15 +42,6 @@ namespace SpineViewer.Views.ExporterDialogs
             DialogResult = false;
         }
 
-        private void ButtonSelectOutputDir_Click(object sender, RoutedEventArgs e)
-        {
-            if (DialogService.ShowOpenFolderDialog(out var selectedPath))
-            {
-                var vm = (CustomFFmpegExporterViewModel)DataContext;
-                vm.OutputDir = selectedPath;
-            }
-        }
-
         private void ButtonPickColor_Click(object sender, RoutedEventArgs e)
         {
 
diff --git a/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml b/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml
index 6397d99..eb05e59 100644
--- a/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml
+++ b/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml
@@ -92,7 +92,7 @@
                                 </Grid.ColumnDefinitions>
                                 <Label Content="{DynamicResource Str_OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 <DockPanel Grid.Column="1">
-                                    <Button DockPanel.Dock="Right" Content="..." Click="ButtonSelectOutputDir_Click"/>
+                                    <Button DockPanel.Dock="Right" Content="..." Command="{Binding Cmd_SelectOutputDir}"/>
                                     <TextBox Text="{Binding OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 </DockPanel>
                             </Grid>
diff --git a/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml.cs b/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml.cs
index 4c58a55..2192200 100644
--- a/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml.cs
+++ b/SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml.cs
@@ -42,15 +42,6 @@ namespace SpineViewer.Views.ExporterDialogs
             DialogResult = false;
         }
 
-        private void ButtonSelectOutputDir_Click(object sender, RoutedEventArgs e)
-        {
-            if (DialogService.ShowOpenFolderDialog(out var selectedPath))
-            {
-                var vm = (FFmpegVideoExporterViewModel)DataContext;
-                vm.OutputDir = selectedPath;
-            }
-        }
-
         private void ButtonPickColor_Click(object sender, RoutedEventArgs e)
         {
 
diff --git a/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml b/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml
index 0e893d7..f46556f 100644
--- a/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml
+++ b/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml
@@ -92,7 +92,7 @@
                                 </Grid.ColumnDefinitions>
                                 <Label Content="{DynamicResource Str_OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 <DockPanel Grid.Column="1">
-                                    <Button DockPanel.Dock="Right" Content="..." Click="ButtonSelectOutputDir_Click"/>
+                                    <Button DockPanel.Dock="Right" Content="..." Command="{Binding Cmd_SelectOutputDir}"/>
                                     <TextBox Text="{Binding OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 </DockPanel>
                             </Grid>
diff --git a/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml.cs b/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml.cs
index f4f9e31..217d2e7 100644
--- a/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml.cs
+++ b/SpineViewer/Views/ExporterDialogs/FrameExporterDialog.xaml.cs
@@ -42,15 +42,6 @@ namespace SpineViewer.Views.ExporterDialogs
             DialogResult = false;
         }
 
-        private void ButtonSelectOutputDir_Click(object sender, RoutedEventArgs e)
-        {
-            if (DialogService.ShowOpenFolderDialog(out var selectedPath))
-            {
-                var vm = (FrameExporterViewModel)DataContext;
-                vm.OutputDir = selectedPath;
-            }
-        }
-
         private void ButtonPickColor_Click(object sender, RoutedEventArgs e)
         {
             
diff --git a/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml b/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml
index 45c533d..b08c19e 100644
--- a/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml
+++ b/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml
@@ -92,7 +92,7 @@
                                 </Grid.ColumnDefinitions>
                                 <Label Content="{DynamicResource Str_OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 <DockPanel Grid.Column="1">
-                                    <Button DockPanel.Dock="Right" Content="..." Click="ButtonSelectOutputDir_Click"/>
+                                    <Button DockPanel.Dock="Right" Content="..." Command="{Binding Cmd_SelectOutputDir}"/>
                                     <TextBox Text="{Binding OutputDir}" ToolTip="{DynamicResource Str_OutputDirTooltip}"/>
                                 </DockPanel>
                             </Grid>
diff --git a/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml.cs b/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml.cs
index b4e72fe..0aa157f 100644
--- a/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml.cs
+++ b/SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml.cs
@@ -42,15 +42,6 @@ namespace SpineViewer.Views.ExporterDialogs
             DialogResult = false;
         }
 
-        private void ButtonSelectOutputDir_Click(object sender, RoutedEventArgs e)
-        {
-            if (DialogService.ShowOpenFolderDialog(out var selectedPath))
-            {
-                var vm = (FrameSequenceExporterViewModel)DataContext;
-                vm.OutputDir = selectedPath;
-            }
-        }
-
         private void ButtonPickColor_Click(object sender, RoutedEventArgs e)
         {