diff --git a/lib/pages/live_room/widgets/bottom_control.dart b/lib/pages/live_room/widgets/bottom_control.dart
index b70648941..4c32c4d59 100644
--- a/lib/pages/live_room/widgets/bottom_control.dart
+++ b/lib/pages/live_room/widgets/bottom_control.dart
@@ -169,27 +169,28 @@ class BottomControl extends StatelessWidget {
               ),
             ),
           ),
-          ComBtn(
-            height: 30,
-            tooltip: isFullScreen ? '退出全屏' : '全屏',
-            icon: isFullScreen
-                ? const Icon(
-                    Icons.fullscreen_exit,
-                    size: 24,
-                    color: Colors.white,
-                  )
-                : const Icon(
-                    Icons.fullscreen,
-                    size: 24,
-                    color: Colors.white,
-                  ),
-            onTap: () =>
-                plPlayerController.triggerFullScreen(status: !isFullScreen),
-            onSecondaryTap: () => plPlayerController.triggerFullScreen(
-              status: !isFullScreen,
-              inAppFullScreen: true,
+          if (!plPlayerController.isDesktopPip)
+            ComBtn(
+              height: 30,
+              tooltip: isFullScreen ? '退出全屏' : '全屏',
+              icon: isFullScreen
+                  ? const Icon(
+                      Icons.fullscreen_exit,
+                      size: 24,
+                      color: Colors.white,
+                    )
+                  : const Icon(
+                      Icons.fullscreen,
+                      size: 24,
+                      color: Colors.white,
+                    ),
+              onTap: () =>
+                  plPlayerController.triggerFullScreen(status: !isFullScreen),
+              onSecondaryTap: () => plPlayerController.triggerFullScreen(
+                status: !isFullScreen,
+                inAppFullScreen: true,
+              ),
             ),
-          ),
         ],
       ),
     );
diff --git a/lib/pages/live_room/widgets/header_control.dart b/lib/pages/live_room/widgets/header_control.dart
index 3cf474908..4e2de4a28 100644
--- a/lib/pages/live_room/widgets/header_control.dart
+++ b/lib/pages/live_room/widgets/header_control.dart
@@ -110,7 +110,7 @@ class LiveHeaderControl extends StatelessWidget {
               );
             },
           ),
-          if (Platform.isAndroid || Utils.isDesktop)
+          if (Platform.isAndroid || (Utils.isDesktop && !isFullScreen))
             ComBtn(
               tooltip: '画中画',
               onTap: () async {
diff --git a/lib/pages/video/widgets/header_control.dart b/lib/pages/video/widgets/header_control.dart
index 5964bcb3f..332bfddf7 100644
--- a/lib/pages/video/widgets/header_control.dart
+++ b/lib/pages/video/widgets/header_control.dart
@@ -2450,7 +2450,7 @@ class HeaderControlState extends State<HeaderControl> {
                   ),
                 ),
               ],
-              if (Platform.isAndroid || Utils.isDesktop)
+              if (Platform.isAndroid || (Utils.isDesktop && !isFullScreen))
                 SizedBox(
                   width: 42,
                   height: 34,
diff --git a/lib/pages/video/widgets/player_focus.dart b/lib/pages/video/widgets/player_focus.dart
index e9197c37f..024e3f587 100644
--- a/lib/pages/video/widgets/player_focus.dart
+++ b/lib/pages/video/widgets/player_focus.dart
@@ -180,7 +180,7 @@ class PlayerFocus extends StatelessWidget {
           return true;
 
         case LogicalKeyboardKey.keyP:
-          if (Utils.isDesktop && hasPlayer) {
+          if (Utils.isDesktop && hasPlayer && !isFullScreen) {
             plPlayerController
               ..toggleDesktopPip()
               ..controlsLock.value = false;
diff --git a/lib/plugin/pl_player/controller.dart b/lib/plugin/pl_player/controller.dart
index e672607dd..0e137a7dc 100644
--- a/lib/plugin/pl_player/controller.dart
+++ b/lib/plugin/pl_player/controller.dart
@@ -281,6 +281,8 @@ class PlPlayerController {
   }
 
   Future<void> enterDesktopPip() async {
+    if (isFullScreen.value) return;
+
     isDesktopPip = true;
 
     _lastWindowBounds = await windowManager.getBounds();
@@ -1572,6 +1574,7 @@ class PlPlayerController {
     bool isManualFS = true,
     FullScreenMode? mode,
   }) async {
+    if (isDesktopPip) return;
     if (isFullScreen.value == status) return;
 
     if (fsProcessing) {
@@ -1916,4 +1919,4 @@ class PlPlayerController {
       }
     });
   }
-}
\ No newline at end of file
+}
diff --git a/lib/plugin/pl_player/view.dart b/lib/plugin/pl_player/view.dart
index 3b9186e4e..04fd0a211 100644
--- a/lib/plugin/pl_player/view.dart
+++ b/lib/plugin/pl_player/view.dart
@@ -843,7 +843,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       BottomControlType.subtitle,
       BottomControlType.speed,
       if (flag) BottomControlType.qa,
-      BottomControlType.fullscreen,
+      if (!plPlayerController.isDesktopPip) BottomControlType.fullscreen,
     ];
 
     return Row(