diff --git a/lib/pages/setting/extra_setting.dart b/lib/pages/setting/extra_setting.dart
index fdc62f13..004f3e9c 100644
--- a/lib/pages/setting/extra_setting.dart
+++ b/lib/pages/setting/extra_setting.dart
@@ -190,6 +190,15 @@ class _ExtraSettingState extends State<ExtraSetting> {
             setKey: SettingBoxKey.enableRelatedVideo,
             defaultVal: true,
           ),
+          SetSwitchItem(
+            title: '视频投屏开关',
+            subTitle: '打开后将在播放器右上角显示投屏入口',
+            setKey: SettingBoxKey.enableDlna,
+            defaultVal: false,
+            callFn: (bool val) {
+              GlobalDataCache.enableDlna = val;
+            },
+          ),
           ListTile(
             dense: false,
             title: Text('评论展示', style: titleStyle),
diff --git a/lib/pages/video/detail/widgets/header_control.dart b/lib/pages/video/detail/widgets/header_control.dart
index f22bf846..bc9167d5 100644
--- a/lib/pages/video/detail/widgets/header_control.dart
+++ b/lib/pages/video/detail/widgets/header_control.dart
@@ -16,6 +16,7 @@ import 'package:pilipala/pages/video/detail/index.dart';
 import 'package:pilipala/pages/video/detail/introduction/widgets/menu_row.dart';
 import 'package:pilipala/plugin/pl_player/index.dart';
 import 'package:pilipala/plugin/pl_player/models/play_repeat.dart';
+import 'package:pilipala/utils/global_data_cache.dart';
 import 'package:pilipala/utils/storage.dart';
 import 'package:pilipala/services/shutdown_timer_service.dart';
 import '../../../../http/danmaku.dart';
@@ -1237,22 +1238,24 @@ class _HeaderControlState extends State<HeaderControl> {
           //   ),
           //   fuc: () => _.screenshot(),
           // ),
-          ComBtn(
-            icon: const Icon(
-              Icons.cast,
-              size: 19,
-              color: Colors.white,
+          if (GlobalDataCache.enableDlna) ...[
+            ComBtn(
+              icon: const Icon(
+                Icons.cast,
+                size: 19,
+                color: Colors.white,
+              ),
+              fuc: () async {
+                showDialog<void>(
+                  context: context,
+                  builder: (BuildContext context) {
+                    return LiveDlnaPage(
+                        datasource: widget.videoDetailCtr!.videoUrl);
+                  },
+                );
+              },
             ),
-            fuc: () async {
-              showDialog<void>(
-                context: context,
-                builder: (BuildContext context) {
-                  return LiveDlnaPage(
-                      datasource: widget.videoDetailCtr!.videoUrl);
-                },
-              );
-            },
-          ),
+          ],
           if (isFullScreen.value) ...[
             SizedBox(
               width: 56,
diff --git a/lib/utils/global_data_cache.dart b/lib/utils/global_data_cache.dart
index ea673859..a421f829 100644
--- a/lib/utils/global_data_cache.dart
+++ b/lib/utils/global_data_cache.dart
@@ -53,6 +53,8 @@ class GlobalDataCache {
   static late bool enableAutoExpand;
   // 动态切换
   static late bool enableDynamicSwitch;
+  // 投屏开关
+  static bool enableDlna = false;
 
   // 私有构造函数
   GlobalDataCache._();
@@ -120,5 +122,6 @@ class GlobalDataCache {
         setting.get(SettingBoxKey.enableAutoExpand, defaultValue: false);
     enableDynamicSwitch =
         setting.get(SettingBoxKey.enableDynamicSwitch, defaultValue: true);
+    enableDlna = setting.get(SettingBoxKey.enableDlna, defaultValue: false);
   }
 }
diff --git a/lib/utils/storage.dart b/lib/utils/storage.dart
index a5b36768..49a5c734 100644
--- a/lib/utils/storage.dart
+++ b/lib/utils/storage.dart
@@ -115,7 +115,8 @@ class SettingBoxKey {
       enableAi = 'enableAi',
       enableAutoExpand = 'enableAutoExpand',
       defaultHomePage = 'defaultHomePage',
-      enableRelatedVideo = 'enableRelatedVideo';
+      enableRelatedVideo = 'enableRelatedVideo',
+      enableDlna = 'enableDlna';
 
   /// 外观
   static const String themeMode = 'themeMode',