diff --git a/README.md b/README.md
index 37a2e36fa..f2efbf10a 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@
 
 ## feat
 
+- [x] AI 原声翻译
 - [x] SuperChat
 - [x] 播放课堂视频
 - [x] 发起投票
diff --git a/lib/http/video.dart b/lib/http/video.dart
index 022e374e0..0d9f91c44 100644
--- a/lib/http/video.dart
+++ b/lib/http/video.dart
@@ -196,6 +196,7 @@ class VideoHttp {
     dynamic seasonId,
     required bool tryLook,
     required VideoType videoType,
+    String? language,
   }) async {
     final params = await WbiSign.makSign({
       'avid': ?avid,
@@ -214,6 +215,7 @@ class VideoHttp {
       'web_location': 1315873,
       // 免登录查看1080p
       if (tryLook) 'try_look': 1,
+      'cur_language': ?language,
     });
 
     try {
diff --git a/lib/models/video/play/url.dart b/lib/models/video/play/url.dart
index 4d19b3d3b..b891fa314 100644
--- a/lib/models/video/play/url.dart
+++ b/lib/models/video/play/url.dart
@@ -39,6 +39,8 @@ class PlayUrlModel {
   List<FormatItem>? supportFormats;
   int? lastPlayTime;
   int? lastPlayCid;
+  String? curLanguage;
+  Language? language;
 
   PlayUrlModel.fromJson(Map<String, dynamic> json) {
     from = json['from'];
@@ -62,6 +64,51 @@ class PlayUrlModel {
         .toList();
     lastPlayTime = json['last_play_time'];
     lastPlayCid = json['last_play_cid'];
+    curLanguage = json['cur_language'];
+    language = json['language'] == null
+        ? null
+        : Language.fromJson(json['language']);
+  }
+}
+
+class Language {
+  Language({
+    this.support,
+    this.items,
+  });
+
+  bool? support;
+  List<LanguageItem>? items;
+
+  Language.fromJson(Map<String, dynamic> json) {
+    support = json['support'];
+    items = (json['items'] as List?)
+        ?.map((e) => LanguageItem.fromJson(e))
+        .toList();
+  }
+}
+
+class LanguageItem {
+  LanguageItem({
+    this.lang,
+    this.title,
+    this.subtitleLang,
+    this.videoDetext,
+    this.videoMouthShapeChange,
+  });
+
+  String? lang;
+  String? title;
+  String? subtitleLang;
+  bool? videoDetext;
+  bool? videoMouthShapeChange;
+
+  LanguageItem.fromJson(Map<String, dynamic> json) {
+    lang = json['lang'];
+    title = json['title'];
+    subtitleLang = json['subtitle_lang'];
+    videoDetext = json['video_detext'];
+    videoMouthShapeChange = json['video_mouth_shape_change'];
   }
 }
 
diff --git a/lib/pages/live_room/widgets/bottom_control.dart b/lib/pages/live_room/widgets/bottom_control.dart
index bd4cda145..e4d37e505 100644
--- a/lib/pages/live_room/widgets/bottom_control.dart
+++ b/lib/pages/live_room/widgets/bottom_control.dart
@@ -29,6 +29,7 @@ class BottomControl extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final isFullScreen = plPlayerController.isFullScreen.value;
     return AppBar(
       backgroundColor: Colors.transparent,
       foregroundColor: Colors.white,
@@ -40,6 +41,7 @@ class BottomControl extends StatelessWidget {
           PlayOrPauseButton(plPlayerController: plPlayerController),
           ComBtn(
             height: 30,
+            tooltip: '刷新',
             icon: const Icon(
               Icons.refresh,
               size: 18,
@@ -50,6 +52,7 @@ class BottomControl extends StatelessWidget {
           const Spacer(),
           ComBtn(
             height: 30,
+            tooltip: '屏蔽',
             icon: const Icon(
               size: 18,
               Icons.block,
@@ -74,6 +77,7 @@ class BottomControl extends StatelessWidget {
               final enableShowLiveDanmaku =
                   plPlayerController.enableShowLiveDanmaku.value;
               return ComBtn(
+                tooltip: "${enableShowLiveDanmaku ? '关闭' : '开启'}弹幕",
                 icon: enableShowLiveDanmaku
                     ? const Icon(
                         size: 18,
@@ -100,6 +104,7 @@ class BottomControl extends StatelessWidget {
           ),
           Obx(
             () => PopupMenuButton<VideoFitType>(
+              tooltip: '画面比例',
               initialValue: plPlayerController.videoFit.value,
               color: Colors.black.withValues(alpha: 0.8),
               itemBuilder: (context) {
@@ -132,6 +137,7 @@ class BottomControl extends StatelessWidget {
           ),
           Obx(
             () => PopupMenuButton<int>(
+              tooltip: '画质',
               padding: EdgeInsets.zero,
               initialValue: liveRoomCtr.currentQn,
               color: Colors.black.withValues(alpha: 0.8),
@@ -165,22 +171,20 @@ class BottomControl extends StatelessWidget {
           ),
           ComBtn(
             height: 30,
-            icon: plPlayerController.isFullScreen.value
+            tooltip: isFullScreen ? '退出全屏' : '全屏',
+            icon: isFullScreen
                 ? const Icon(
                     Icons.fullscreen_exit,
-                    semanticLabel: '退出全屏',
                     size: 24,
                     color: Colors.white,
                   )
                 : const Icon(
                     Icons.fullscreen,
-                    semanticLabel: '全屏',
                     size: 24,
                     color: Colors.white,
                   ),
-            onTap: () => plPlayerController.triggerFullScreen(
-              status: !plPlayerController.isFullScreen.value,
-            ),
+            onTap: () =>
+                plPlayerController.triggerFullScreen(status: !isFullScreen),
           ),
         ],
       ),
diff --git a/lib/pages/live_room/widgets/header_control.dart b/lib/pages/live_room/widgets/header_control.dart
index cadd4f115..77c64b112 100644
--- a/lib/pages/live_room/widgets/header_control.dart
+++ b/lib/pages/live_room/widgets/header_control.dart
@@ -72,11 +72,13 @@ class LiveHeaderControl extends StatelessWidget {
         children: [
           if (isFullScreen)
             ComBtn(
+              tooltip: '返回',
               icon: const Icon(FontAwesomeIcons.arrowLeft, size: 15),
               onTap: () => plPlayerController.triggerFullScreen(status: false),
             ),
           child,
           ComBtn(
+            tooltip: '发弹幕',
             icon: const Icon(
               size: 18,
               Icons.comment_outlined,
@@ -88,6 +90,7 @@ class LiveHeaderControl extends StatelessWidget {
             () {
               final onlyPlayAudio = plPlayerController.onlyPlayAudio.value;
               return ComBtn(
+                tooltip: '仅播放音频',
                 onTap: () {
                   plPlayerController.onlyPlayAudio.value = !onlyPlayAudio;
                   onPlayAudio();
@@ -108,6 +111,7 @@ class LiveHeaderControl extends StatelessWidget {
           ),
           if (Platform.isAndroid)
             ComBtn(
+              tooltip: '画中画',
               onTap: () async {
                 try {
                   var floating = Floating();
@@ -130,6 +134,7 @@ class LiveHeaderControl extends StatelessWidget {
               ),
             ),
           ComBtn(
+            tooltip: '定时关闭',
             onTap: () => PageUtils.scheduleExit(
               context,
               plPlayerController.isFullScreen.value,
diff --git a/lib/pages/video/controller.dart b/lib/pages/video/controller.dart
index 5f6ce953d..6dfb80725 100644
--- a/lib/pages/video/controller.dart
+++ b/lib/pages/video/controller.dart
@@ -247,13 +247,15 @@ class VideoDetailController extends GetxController
     imageStatus = false;
   }
 
+  final isLoginVideo = Accounts.get(AccountType.video).isLogin;
+
   @override
   void onInit() {
     super.onInit();
     args = Get.arguments;
     videoType = args['videoType'];
     if (videoType == VideoType.pgc) {
-      if (!Accounts.get(AccountType.video).isLogin) {
+      if (!isLoginVideo) {
         _actualVideoType = VideoType.ugc;
       }
     } else if (args['pgcApi'] == true) {
@@ -1112,6 +1114,17 @@ class VideoDetailController extends GetxController
 
   bool isQuerying = false;
 
+  final Rx<List<LanguageItem>?> languages = Rx<List<LanguageItem>?>(null);
+  final Rx<String?> currLang = Rx(null);
+  void setLanguage(String language) {
+    if (!isLoginVideo) {
+      SmartDialog.showToast('账号未登录');
+      return;
+    }
+    currLang.value = language;
+    queryVideoUrl(defaultST: playedTime);
+  }
+
   // 视频链接
   Future<void> queryVideoUrl({
     Duration? defaultST,
@@ -1142,11 +1155,15 @@ class VideoDetailController extends GetxController
       seasonId: seasonId,
       tryLook: plPlayerController.tryLook,
       videoType: _actualVideoType ?? videoType,
+      language: currLang.value,
     );
 
     if (result.isSuccess) {
       data = result.data;
 
+      languages.value = data.language?.items;
+      currLang.value = data.curLanguage;
+
       if (data.acceptDesc?.contains('试看') == true) {
         SmartDialog.showToast(
           '该视频为专属视频，仅提供试看',
@@ -1564,6 +1581,10 @@ class VideoDetailController extends GetxController
     videoUrl = null;
     audioUrl = null;
 
+    // language
+    languages.value = null;
+    currLang.value = null;
+
     if (scrollRatio.value != 0) {
       scrollRatio.refresh();
     }
diff --git a/lib/plugin/pl_player/models/bottom_control_type.dart b/lib/plugin/pl_player/models/bottom_control_type.dart
index 4cd848902..be14c8420 100644
--- a/lib/plugin/pl_player/models/bottom_control_type.dart
+++ b/lib/plugin/pl_player/models/bottom_control_type.dart
@@ -12,4 +12,5 @@ enum BottomControlType {
   superResolution,
   dmChart,
   qa,
+  aiTranslate,
 }
diff --git a/lib/plugin/pl_player/view.dart b/lib/plugin/pl_player/view.dart
index b137b1e0a..c2e7e21b1 100644
--- a/lib/plugin/pl_player/view.dart
+++ b/lib/plugin/pl_player/view.dart
@@ -256,9 +256,9 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       BottomControlType.pre => ComBtn(
         width: widgetWidth,
         height: 30,
+        tooltip: '上一集',
         icon: const Icon(
           Icons.skip_previous,
-          semanticLabel: '上一集',
           size: 22,
           color: Colors.white,
         ),
@@ -273,9 +273,9 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       BottomControlType.next => ComBtn(
         width: widgetWidth,
         height: 30,
+        tooltip: '下一集',
         icon: const Icon(
           Icons.skip_next,
-          semanticLabel: '下一集',
           size: 22,
           color: Colors.white,
         ),
@@ -329,6 +329,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
             return ComBtn(
               width: widgetWidth,
               height: 30,
+              tooltip: '高能进度条',
               icon: videoDetailController.showDmTreandChart.value
                   ? const Icon(
                       Icons.show_chart,
@@ -399,11 +400,11 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
             : ComBtn(
                 width: widgetWidth,
                 height: 30,
+                tooltip: '分段信息',
                 icon: Transform.rotate(
                   angle: math.pi / 2,
                   child: const Icon(
                     MdiIcons.viewHeadline,
-                    semanticLabel: '分段信息',
                     size: 22,
                     color: Colors.white,
                   ),
@@ -421,9 +422,9 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       BottomControlType.episode => ComBtn(
         width: widgetWidth,
         height: 30,
+        tooltip: '选集',
         icon: const Icon(
           Icons.list,
-          semanticLabel: '选集',
           size: 22,
           color: Colors.white,
         ),
@@ -501,12 +502,58 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
         ),
       ),
 
+      BottomControlType.aiTranslate => Obx(
+        () {
+          final list = videoDetailController.languages.value;
+          if (list != null && list.isNotEmpty) {
+            return PopupMenuButton<String>(
+              tooltip: '原声翻译',
+              requestFocus: false,
+              initialValue: videoDetailController.currLang.value,
+              color: Colors.black.withValues(alpha: 0.8),
+              itemBuilder: (context) {
+                return [
+                  PopupMenuItem<String>(
+                    value: '',
+                    onTap: () => videoDetailController.setLanguage(''),
+                    child: const Text(
+                      "关闭翻译",
+                      style: TextStyle(color: Colors.white),
+                    ),
+                  ),
+                  ...list.map((e) {
+                    return PopupMenuItem<String>(
+                      value: e.lang,
+                      onTap: () => videoDetailController.setLanguage(e.lang!),
+                      child: Text(
+                        e.title!,
+                        style: const TextStyle(color: Colors.white),
+                      ),
+                    );
+                  }),
+                ];
+              },
+              child: SizedBox(
+                width: widgetWidth,
+                height: 30,
+                child: const Icon(
+                  Icons.translate,
+                  size: 18,
+                  color: Colors.white,
+                ),
+              ),
+            );
+          }
+          return const SizedBox.shrink();
+        },
+      ),
+
       /// 字幕
       BottomControlType.subtitle => Obx(
         () => videoDetailController.subtitles.isEmpty == true
             ? const SizedBox.shrink()
             : PopupMenuButton<int>(
-                tooltip: '选择字幕',
+                tooltip: '字幕',
                 requestFocus: false,
                 initialValue: videoDetailController.vttSubtitlesIndex.value
                     .clamp(
@@ -676,16 +723,15 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       BottomControlType.fullscreen => ComBtn(
         width: widgetWidth,
         height: 30,
+        tooltip: isFullScreen ? '退出全屏' : '全屏',
         icon: isFullScreen
             ? const Icon(
                 Icons.fullscreen_exit,
-                semanticLabel: '退出全屏',
                 size: 24,
                 color: Colors.white,
               )
             : const Icon(
                 Icons.fullscreen,
-                semanticLabel: '全屏',
                 size: 24,
                 color: Colors.white,
               ),
@@ -709,6 +755,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
       if (plPlayerController.showViewPoints) BottomControlType.viewPoints,
       if (anySeason) BottomControlType.episode,
       if (isFullScreen) BottomControlType.fit,
+      BottomControlType.aiTranslate,
       BottomControlType.subtitle,
       BottomControlType.speed,
       if (isFullScreen) BottomControlType.qa,
@@ -1251,6 +1298,8 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
 
         // 头部、底部控制条
         Positioned.fill(
+          top: -1,
+          bottom: -1,
           child: ClipRect(
             child: Column(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
@@ -1489,16 +1538,15 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                         final controlsLock =
                             plPlayerController.controlsLock.value;
                         return ComBtn(
+                          tooltip: controlsLock ? '解锁' : '锁定',
                           icon: controlsLock
                               ? const Icon(
                                   FontAwesomeIcons.lock,
-                                  semanticLabel: '解锁',
                                   size: 15,
                                   color: Colors.white,
                                 )
                               : const Icon(
                                   FontAwesomeIcons.lockOpen,
-                                  semanticLabel: '锁定',
                                   size: 15,
                                   color: Colors.white,
                                 ),
@@ -1530,9 +1578,9 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                         borderRadius: BorderRadius.all(Radius.circular(8)),
                       ),
                       child: ComBtn(
+                        tooltip: '截图',
                         icon: const Icon(
                           Icons.photo_camera,
-                          semanticLabel: '截图',
                           size: 20,
                           color: Colors.white,
                         ),
diff --git a/lib/plugin/pl_player/widgets/app_bar_ani.dart b/lib/plugin/pl_player/widgets/app_bar_ani.dart
index 799471882..b393e4549 100644
--- a/lib/plugin/pl_player/widgets/app_bar_ani.dart
+++ b/lib/plugin/pl_player/widgets/app_bar_ani.dart
@@ -36,7 +36,7 @@ class AppBarAni extends StatelessWidget {
                   end: Alignment.topCenter,
                   colors: <Color>[
                     Colors.transparent,
-                    Colors.black54,
+                    Color(0xBF000000),
                   ],
                   tileMode: TileMode.mirror,
                 )
@@ -45,7 +45,7 @@ class AppBarAni extends StatelessWidget {
                   end: Alignment.bottomCenter,
                   colors: <Color>[
                     Colors.transparent,
-                    Colors.black54,
+                    Color(0xBF000000),
                   ],
                   tileMode: TileMode.mirror,
                 ),
diff --git a/lib/plugin/pl_player/widgets/common_btn.dart b/lib/plugin/pl_player/widgets/common_btn.dart
index f40bf6a3a..bda6bc283 100644
--- a/lib/plugin/pl_player/widgets/common_btn.dart
+++ b/lib/plugin/pl_player/widgets/common_btn.dart
@@ -6,6 +6,7 @@ class ComBtn extends StatelessWidget {
   final VoidCallback? onLongPress;
   final double width;
   final double height;
+  final String? tooltip;
 
   const ComBtn({
     super.key,
@@ -14,11 +15,12 @@ class ComBtn extends StatelessWidget {
     this.onLongPress,
     this.width = 34,
     this.height = 34,
+    this.tooltip,
   });
 
   @override
   Widget build(BuildContext context) {
-    return SizedBox(
+    final child = SizedBox(
       width: width,
       height: height,
       child: GestureDetector(
@@ -28,5 +30,9 @@ class ComBtn extends StatelessWidget {
         child: icon,
       ),
     );
+    if (tooltip != null) {
+      return Tooltip(message: tooltip, child: child);
+    }
+    return child;
   }
 }