diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 8de161eb..8a29597a 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -2446,8 +2446,16 @@
                                                          IsOn="False" FontFamily="Microsoft YaHei UI" FontWeight="Bold"
                                                          Toggled="ToggleSwitchAutoEnterAnnotationModeWhenExitFoldMode_Toggled" />
                                     </ui:SimpleStackPanel>
-                                    
                                     <TextBlock Text="# 开启后，退出收纳模式时将自动切换至批注模式，便于快速批注" TextWrapping="Wrap" Foreground="#a1a1aa" />
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
+                                        <TextBlock Foreground="#fafafa" Text="退出PPT放映后自动恢复浮动栏状态"
+                                                   VerticalAlignment="Center" FontSize="14" Margin="0,0,16,0" />
+                                        <ui:ToggleSwitch OnContent="" OffContent=""
+                                                         Name="ToggleSwitchAutoFoldAfterPPTSlideShow"
+                                                         IsOn="False" FontFamily="Microsoft YaHei UI" FontWeight="Bold"
+                                                         Toggled="ToggleSwitchAutoFoldAfterPPTSlideShow_Toggled" />
+                                    </ui:SimpleStackPanel>
+                                    <TextBlock Text="# 开启后，如果进入PPT放映前为收纳模式则退出后也为收纳模式，如果进入前不是收纳模式则退出后也不是收纳模式" TextWrapping="Wrap" Foreground="#a1a1aa" />
                                 </ui:SimpleStackPanel>
                             </GroupBox>
                             <GroupBox Name="GroupBoxRandWindow">
diff --git a/Ink Canvas/MainWindow_cs/MW_PPT.cs b/Ink Canvas/MainWindow_cs/MW_PPT.cs
index 5231d089..f4109995 100644
--- a/Ink Canvas/MainWindow_cs/MW_PPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_PPT.cs	
@@ -78,6 +78,9 @@ namespace Ink_Canvas {
         public static Slide slide = null;
         public static int slidescount = 0;
 
+        // 在类中添加字段
+        private bool wasFloatingBarFoldedWhenEnterSlideShow = false;
+
         private void BtnCheckPPT_Click(object sender, RoutedEventArgs e) {
             try {
                 pptApplication =
@@ -579,6 +582,8 @@ namespace Ink_Canvas {
 
         private async void PptApplication_SlideShowBegin(SlideShowWindow Wn) {
             try {
+                // 记录进入放映时浮动栏收纳状态
+                wasFloatingBarFoldedWhenEnterSlideShow = isFloatingBarFolded;
                 
                 if (Settings.Automation.IsAutoFoldInPPTSlideShow && !isFloatingBarFolded)
                     await FoldFloatingBar(new object());
@@ -728,7 +733,12 @@ namespace Ink_Canvas {
 
         private async void PptApplication_SlideShowEnd(Presentation Pres) {
             try {
-                if (isFloatingBarFolded) await UnFoldFloatingBar(new object());
+                // 新增逻辑：如果设置开启且进入PPT放映时浮动栏是收纳的，退出时也自动收纳；否则自动展开
+                if (Settings.Automation.IsAutoFoldAfterPPTSlideShow && wasFloatingBarFoldedWhenEnterSlideShow) {
+                    if (!isFloatingBarFolded) await FoldFloatingBar(new object());
+                } else {
+                    if (isFloatingBarFolded) await UnFoldFloatingBar(new object());
+                }
 
                 // 记录 WPP 进程 ID，用于后续检测未关闭的进程
                 if (pptApplication != null)
diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index e47df18b..66c3cf70 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -2171,5 +2171,11 @@ namespace Ink_Canvas {
             Settings.Canvas.IsCompressPicturesUploaded = ToggleSwitchCompressPicturesUploaded.IsOn;
             SaveSettingsToFile();
         }
+
+        private void ToggleSwitchAutoFoldAfterPPTSlideShow_Toggled(object sender, RoutedEventArgs e) {
+            if (!isLoaded) return;
+            Settings.Automation.IsAutoFoldAfterPPTSlideShow = ToggleSwitchAutoFoldAfterPPTSlideShow.IsOn;
+            SaveSettingsToFile();
+        }
     }
 }
diff --git a/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs b/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs
index c74999f3..41fd11e1 100644
--- a/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs	
@@ -683,6 +683,8 @@ namespace Ink_Canvas {
 
                 ToggleSwitchAutoFoldInPPTSlideShow.IsOn = Settings.Automation.IsAutoFoldInPPTSlideShow;
 
+                ToggleSwitchAutoFoldAfterPPTSlideShow.IsOn = Settings.Automation.IsAutoFoldAfterPPTSlideShow;
+
                 if (Settings.Automation.IsAutoKillEasiNote || Settings.Automation.IsAutoKillPptService ||
                     Settings.Automation.IsAutoKillHiteAnnotation || Settings.Automation.IsAutoKillInkCanvas
                     || Settings.Automation.IsAutoKillICA || Settings.Automation.IsAutoKillIDT ||
diff --git a/Ink Canvas/Resources/Settings.cs b/Ink Canvas/Resources/Settings.cs
index 720473f3..14f9009c 100644
--- a/Ink Canvas/Resources/Settings.cs	
+++ b/Ink Canvas/Resources/Settings.cs	
@@ -323,6 +323,9 @@ namespace Ink_Canvas
         [JsonProperty("isAutoFoldInPPTSlideShow")]
         public bool IsAutoFoldInPPTSlideShow { get; set; } = false;
 
+        [JsonProperty("isAutoFoldAfterPPTSlideShow")]
+        public bool IsAutoFoldAfterPPTSlideShow { get; set; } = false;
+
         [JsonProperty("isAutoKillPptService")]
         public bool IsAutoKillPptService { get; set; } = false;