diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 516d96d3..03a1f3b4 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -2438,6 +2438,16 @@
                                             <ComboBoxItem Content="顶部居中" />
                                         </ComboBox>
                                     </ui:SimpleStackPanel>
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
+                                        <TextBlock Foreground="#fafafa" Text="PPT 放映时显示快速面板" VerticalAlignment="Center"
+                                                   FontSize="14" Margin="0,0,16,0" />
+                                        <ui:ToggleSwitch OnContent="" OffContent=""
+                                                         Name="ToggleSwitchShowPPTSidebarByDefault" IsOn="False"
+                                                         FontFamily="Microsoft YaHei UI" FontWeight="Bold"
+                                                         Toggled="ToggleSwitchShowPPTSidebarByDefault_Toggled" />
+                                    </ui:SimpleStackPanel>
+                                    <TextBlock Text="# 关闭后在 PPT 放映时不显示快速面板" TextWrapping="Wrap"
+                                               Foreground="#a1a1aa" />
                                     <Line HorizontalAlignment="Center" X1="0" Y1="0" X2="400" Y2="0" Stroke="#3f3f46"
                                           StrokeThickness="1" Margin="0,4,0,4" />
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index 7cf93f05..3fa87ba0 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -3811,8 +3811,10 @@ namespace Ink_Canvas
             {
                 if (PPTQuickPanelContainer == null || PPTQuickPanel == null) return;
 
-                // 仅在PPT模式下显示
-                if (BtnPPTSlideShowEnd.Visibility == Visibility.Visible)
+                // 仅在 PPT 模式下且用户开启“PPT 放映时显示快速面板”时显示
+                bool inSlideShow = BtnPPTSlideShowEnd.Visibility == Visibility.Visible;
+                bool showQuickPanel = Settings.PowerPointSettings.ShowPPTSidebarByDefault;
+                if (inSlideShow && showQuickPanel)
                 {
                     PPTQuickPanelContainer.Visibility = Visibility.Visible;
                     PPTQuickPanel?.UpdateVisibility(true);
diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index 3f427bc5..6e20a3da 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -1748,6 +1748,15 @@ namespace Ink_Canvas
             UpdatePPTBtnPreview();
         }
 
+        private void ToggleSwitchShowPPTSidebarByDefault_Toggled(object sender, RoutedEventArgs e)
+        {
+            if (!isLoaded) return;
+            Settings.PowerPointSettings.ShowPPTSidebarByDefault = ToggleSwitchShowPPTSidebarByDefault.IsOn;
+            SaveSettingsToFile();
+            if (BtnPPTSlideShowEnd?.Visibility == Visibility.Visible)
+                UpdatePPTQuickPanelVisibility();
+        }
+
         private void ToggleSwitchEnablePPTButtonPageClickable_OnToggled(object sender, RoutedEventArgs e)
         {
             if (!isLoaded) return;
diff --git a/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs b/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs
index d0022691..78b98ec0 100644
--- a/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs	
@@ -562,6 +562,10 @@ namespace Ink_Canvas
                     }
                     ComboBoxPPTTimeCapsulePosition.SelectedIndex = position;
                 }
+                if (ToggleSwitchShowPPTSidebarByDefault != null)
+                {
+                    ToggleSwitchShowPPTSidebarByDefault.IsOn = Settings.PowerPointSettings.ShowPPTSidebarByDefault;
+                }
 
                 // -- new --
                 ToggleSwitchShowPPTButton.IsOn = Settings.PowerPointSettings.ShowPPTButton;
diff --git a/Ink Canvas/Resources/Settings.cs b/Ink Canvas/Resources/Settings.cs
index 5dd07a71..d0a55b01 100644
--- a/Ink Canvas/Resources/Settings.cs	
+++ b/Ink Canvas/Resources/Settings.cs	
@@ -405,6 +405,8 @@ namespace Ink_Canvas
         public int PPTTimeCapsulePosition { get; set; } = 1; 
         [JsonProperty("useRotPptLink")]
         public bool UseRotPptLink { get; set; } = false;
+        [JsonProperty("showPPTSidebarByDefault")]
+        public bool ShowPPTSidebarByDefault { get; set; } = false;
     }
 
     public class Automation