diff --git a/lib/pages/player/player_item.dart b/lib/pages/player/player_item.dart
index 0c9d301c..6bf489ed 100644
--- a/lib/pages/player/player_item.dart
+++ b/lib/pages/player/player_item.dart
@@ -130,7 +130,7 @@ class _PlayerItemState extends State<PlayerItem>
   }
 
   void _handleDoubleTap() {
-    if (Utils.isDesktop()) {
+    if (Utils.isDesktop() && !videoPageController.isPip) {
       handleFullscreen();
     } else {
       playerController.playOrPause();
@@ -685,7 +685,9 @@ class _PlayerItemState extends State<PlayerItem>
                                 // F键被按下
                                 if (event.logicalKey ==
                                     LogicalKeyboardKey.keyF) {
-                                  handleFullscreen();
+                                  if (!videoPageController.isPip) {
+                                    handleFullscreen();
+                                  }
                                 }
                                 // D键盘被按下
                                 if (event.logicalKey ==
diff --git a/lib/pages/player/smallest_player_item_panel.dart b/lib/pages/player/smallest_player_item_panel.dart
index b9745bae..b220b2aa 100644
--- a/lib/pages/player/smallest_player_item_panel.dart
+++ b/lib/pages/player/smallest_player_item_panel.dart
@@ -651,16 +651,17 @@ class _SmallestPlayerItemPanelState extends State<SmallestPlayerItemPanel> {
                         ],
                       ),
                     ),
-                    if (!videoPageController.isPip)
-                      IconButton(
-                        color: Colors.white,
-                        icon: Icon(videoPageController.isFullscreen
-                            ? Icons.fullscreen_exit_rounded
-                            : Icons.fullscreen_rounded),
-                        onPressed: () {
-                          widget.handleFullscreen();
-                        },
-                      ),
+                    (!videoPageController.isPip)
+                        ? IconButton(
+                            color: Colors.white,
+                            icon: Icon(videoPageController.isFullscreen
+                                ? Icons.fullscreen_exit_rounded
+                                : Icons.fullscreen_rounded),
+                            onPressed: () {
+                              widget.handleFullscreen();
+                            },
+                          )
+                        : const Text('    '),
                   ],
                 ),
               ),
diff --git a/lib/pages/video/video_controller.dart b/lib/pages/video/video_controller.dart
index 5632d655..53d81039 100644
--- a/lib/pages/video/video_controller.dart
+++ b/lib/pages/video/video_controller.dart
@@ -23,19 +23,19 @@ abstract class _VideoPageController with Store {
   @observable
   int currentRoad = 0;
 
-  // 全屏状态
+  /// 全屏状态
   @observable
   bool isFullscreen = false;
 
-  // PIP状态
+  /// 画中画状态
   @observable
   bool isPip = false;
 
-  // 播放列表显示状态
+  /// 播放列表显示状态
   @observable
   bool showTabBody = true;
 
-  // 上次观看位置
+  /// 上次观看位置
   @observable
   int historyOffset = 0;
 
diff --git a/lib/utils/utils.dart b/lib/utils/utils.dart
index ee968601..6dd2ff1a 100644
--- a/lib/utils/utils.dart
+++ b/lib/utils/utils.dart
@@ -476,7 +476,6 @@ class Utils {
   // 进入桌面设备小窗模式
   static Future<void> enterDesktopPIPWindow() async {
     await windowManager.setAlwaysOnTop(true);
-    await windowManager.setResizable(false);
     await windowManager.setSize(const Size(480, 270));
   }
 
@@ -484,7 +483,6 @@ class Utils {
   static Future<void> exitDesktopPIPWindow() async {
     bool isLowResolution = await Utils.isLowResolution();
     await windowManager.setAlwaysOnTop(false);
-    await windowManager.setResizable(true);
     await windowManager.setSize(isLowResolution ? const Size(800, 600) : const Size(1280, 860));
     await windowManager.center();
   }