diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 00b1ac61..42bc95ac 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -2659,6 +2659,26 @@
                                     </ui:SimpleStackPanel>
                                     <Line HorizontalAlignment="Center" X1="0" Y1="0" X2="400" Y2="0" Stroke="#3f3f46"
                                           StrokeThickness="1" Margin="0,4,0,4" />
+                                    <TextBlock Text="文件关联管理" FontWeight="Bold" Foreground="#fafafa"
+                                               FontSize="16" Margin="0,8,0,8" />
+                                    <TextBlock Text="管理.icstk文件的关联设置，双击.icstk文件可直接在Ink Canvas中打开" 
+                                               TextWrapping="Wrap" Foreground="#a1a1aa" Margin="0,0,0,8" />
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,0,0,8">
+                                        <Button Name="BtnUnregisterFileAssociation" Content="取消文件关联" 
+                                                Padding="12,6" Margin="0,0,8,0" Click="BtnUnregisterFileAssociation_Click"
+                                                Background="#FFDC3545" Foreground="White" BorderBrush="#FFBD2130" 
+                                                FontFamily="Microsoft YaHei UI" FontSize="12" />
+                                        <Button Name="BtnCheckFileAssociation" Content="检查关联状态" 
+                                                Padding="12,6" Margin="0,0,8,0" Click="BtnCheckFileAssociation_Click"
+                                                Background="#FF17A2B8" Foreground="White" BorderBrush="#FF138496" 
+                                                FontFamily="Microsoft YaHei UI" FontSize="12" />
+                                        <Button Name="BtnRegisterFileAssociation" Content="重新注册关联" 
+                                                Padding="12,6" Click="BtnRegisterFileAssociation_Click"
+                                                Background="#FF28A745" Foreground="White" BorderBrush="#FF1E7E34" 
+                                                FontFamily="Microsoft YaHei UI" FontSize="12" />
+                                    </ui:SimpleStackPanel>
+                                    <TextBlock Name="TextBlockFileAssociationStatus" Text="" 
+                                               Foreground="#a1a1aa" FontSize="12" Margin="0,4,0,0" />
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
                                         <TextBlock Foreground="#fafafa" Text="清屏时自动截图" VerticalAlignment="Center"
                                                    FontSize="14" Margin="0,0,16,0" />
diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index e3185c6f..2631cd59 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -526,6 +526,9 @@ namespace Ink_Canvas
 
             // 处理命令行参数中的文件路径
             HandleCommandLineFileOpen();
+
+            // 初始化文件关联状态显示
+            InitializeFileAssociationStatus();
         }
 
         private void SystemEventsOnDisplaySettingsChanged(object sender, EventArgs e)
@@ -2129,6 +2132,33 @@ namespace Ink_Canvas
         }
         #endregion
 
+        /// <summary>
+        /// 初始化文件关联状态显示
+        /// </summary>
+        private void InitializeFileAssociationStatus()
+        {
+            try
+            {
+                bool isRegistered = FileAssociationManager.IsFileAssociationRegistered();
+                if (isRegistered)
+                {
+                    TextBlockFileAssociationStatus.Text = "✓ .icstk文件关联已注册";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightGreen);
+                }
+                else
+                {
+                    TextBlockFileAssociationStatus.Text = "✗ .icstk文件关联未注册";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                }
+            }
+            catch (Exception ex)
+            {
+                TextBlockFileAssociationStatus.Text = "✗ 检查文件关联状态时出错";
+                TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                LogHelper.WriteLogToFile($"初始化文件关联状态显示时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
         /// <summary>
         /// 处理命令行参数中的文件路径
         /// </summary>
diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index 803000f5..3021481c 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -3080,5 +3080,85 @@ namespace Ink_Canvas
             SaveSettingsToFile();
         }
 
+        #region 文件关联管理
+
+        private void BtnUnregisterFileAssociation_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                bool success = FileAssociationManager.UnregisterFileAssociation();
+                if (success)
+                {
+                    TextBlockFileAssociationStatus.Text = "✓ 文件关联已成功取消";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightGreen);
+                    ShowNotification("文件关联已取消");
+                }
+                else
+                {
+                    TextBlockFileAssociationStatus.Text = "✗ 取消文件关联失败，可能需要管理员权限";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                    ShowNotification("取消文件关联失败");
+                }
+            }
+            catch (Exception ex)
+            {
+                TextBlockFileAssociationStatus.Text = $"✗ 取消文件关联时出错: {ex.Message}";
+                TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                LogHelper.WriteLogToFile($"取消文件关联时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private void BtnCheckFileAssociation_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                bool isRegistered = FileAssociationManager.IsFileAssociationRegistered();
+                if (isRegistered)
+                {
+                    TextBlockFileAssociationStatus.Text = "✓ .icstk文件关联已注册";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightGreen);
+                }
+                else
+                {
+                    TextBlockFileAssociationStatus.Text = "✗ .icstk文件关联未注册";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                }
+            }
+            catch (Exception ex)
+            {
+                TextBlockFileAssociationStatus.Text = $"✗ 检查文件关联状态时出错: {ex.Message}";
+                TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                LogHelper.WriteLogToFile($"检查文件关联状态时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private void BtnRegisterFileAssociation_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                bool success = FileAssociationManager.RegisterFileAssociation();
+                if (success)
+                {
+                    TextBlockFileAssociationStatus.Text = "✓ 文件关联已成功注册";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightGreen);
+                    ShowNotification("文件关联已注册");
+                }
+                else
+                {
+                    TextBlockFileAssociationStatus.Text = "✗ 注册文件关联失败，可能需要管理员权限";
+                    TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                    ShowNotification("注册文件关联失败");
+                }
+            }
+            catch (Exception ex)
+            {
+                TextBlockFileAssociationStatus.Text = $"✗ 注册文件关联时出错: {ex.Message}";
+                TextBlockFileAssociationStatus.Foreground = new SolidColorBrush(Colors.LightCoral);
+                LogHelper.WriteLogToFile($"注册文件关联时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        #endregion
+
     }
 }