diff --git a/assets/images/reade_answer.gif b/assets/images/reade_answer.gif
old mode 100755
new mode 100644
index 62eb138..be6c871
--- a/assets/images/reade_answer.gif
+++ b/assets/images/reade_answer.gif
diff --git a/assets/images/voice.png b/assets/images/voice.png
index cd5f697..d186c69 100644
--- a/assets/images/voice.png
+++ b/assets/images/voice.png
diff --git a/assets/sounds/count_with_me_instrumental.mp3 b/assets/sounds/count_with_me_instrumental.mp3
new file mode 100644
index 0000000..483dbc8
--- /dev/null
+++ b/assets/sounds/count_with_me_instrumental.mp3
diff --git a/assets/sounds/in_my_tummy_instrumental.mp3 b/assets/sounds/in_my_tummy_instrumental.mp3
new file mode 100644
index 0000000..0edc830
--- /dev/null
+++ b/assets/sounds/in_my_tummy_instrumental.mp3
diff --git a/assets/sounds/touch_instrumental.mp3 b/assets/sounds/touch_instrumental.mp3
new file mode 100644
index 0000000..5b224cc
--- /dev/null
+++ b/assets/sounds/touch_instrumental.mp3
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index c50f249..45bb20f 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -2327,7 +2327,7 @@
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 15;
+				CURRENT_PROJECT_VERSION = 16;
 				DEVELOPMENT_TEAM = T8P9KW8GWH;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -2671,7 +2671,7 @@
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 15;
+				CURRENT_PROJECT_VERSION = 16;
 				DEVELOPMENT_TEAM = T8P9KW8GWH;
 				ENABLE_BITCODE = NO;
 				HEADER_SEARCH_PATHS = (
@@ -2876,7 +2876,7 @@
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 15;
+				CURRENT_PROJECT_VERSION = 16;
 				DEVELOPMENT_TEAM = T8P9KW8GWH;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
diff --git a/lib/pages/home/bloc.dart b/lib/pages/home/bloc.dart
index 3249345..7fc475b 100644
--- a/lib/pages/home/bloc.dart
+++ b/lib/pages/home/bloc.dart
@@ -16,9 +16,25 @@ class HomeBloc extends Bloc<HomeEvent, HomeState> {
   }
 
   bool exchangeResult = false;
+  late AudioPlayer audioPlayer;
+  late AudioPlayer studyPlayer;
+  late AudioPlayer gamePlayer;
+  @override
+  Future<void> close() {
+    audioPlayer.release();
+    audioPlayer.dispose();
+    studyPlayer.release();
+    studyPlayer.dispose();
+    gamePlayer.release();
+    gamePlayer.dispose();
+    return super.close();
+  }
 
   void _init(InitEvent event, Emitter<HomeState> emit) async {
-    AudioPlayer().play(AssetSource('welcome_to_wow'.assetMp3));
+    audioPlayer = AudioPlayer(playerId: 'audio');
+    gamePlayer = AudioPlayer(playerId: 'game');
+    studyPlayer = AudioPlayer(playerId: 'study');
+    audioPlayer.play(AssetSource('welcome_to_wow'.assetMp3));
     await _checkUpdate(emit);
   }
 
diff --git a/lib/pages/home/view.dart b/lib/pages/home/view.dart
index ede914a..5dfa35b 100644
--- a/lib/pages/home/view.dart
+++ b/lib/pages/home/view.dart
@@ -71,7 +71,7 @@ class _HomePageView extends StatelessWidget {
                           child: GestureDetector(
                             onTap: () {
                               _checkPermission(() {
-                                AudioPlayer()
+                                bloc.studyPlayer
                                     .play(AssetSource('class_time'.assetMp3));
                                 pushNamed(AppRouteName.courseUnit)
                                     .then((value) => {
@@ -136,7 +136,7 @@ class _HomePageView extends StatelessWidget {
                             return GestureDetector(
                                 onTap: () {
                                   _checkPermission(() {
-                                    AudioPlayer().play(
+                                    bloc.gamePlayer.play(
                                         AssetSource('game_time'.assetMp3));
                                     pushNamed(AppRouteName.games);
                                   }, bloc);
diff --git a/lib/pages/reading/reading_page.dart b/lib/pages/reading/reading_page.dart
index ffbb424..cf13c4b 100644
--- a/lib/pages/reading/reading_page.dart
+++ b/lib/pages/reading/reading_page.dart
@@ -155,6 +155,7 @@ class _ReadingPage extends StatelessWidget {
                   margin: EdgeInsets.symmetric(horizontal: 10.w),
                   child: Row(
                     children: [
+                      5.horizontalSpace,
                       GestureDetector(
                         onTap: () {
                           if (bloc.isRecording) {
diff --git a/lib/pages/section/bloc/section_bloc.dart b/lib/pages/section/bloc/section_bloc.dart
index 0c1d94c..77ed636 100644
--- a/lib/pages/section/bloc/section_bloc.dart
+++ b/lib/pages/section/bloc/section_bloc.dart
@@ -1,8 +1,10 @@
+import 'package:audioplayers/audioplayers.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:wow_english/common/extension/string_extension.dart';
 import 'package:wow_english/common/request/dao/lesson_dao.dart';
 import 'package:wow_english/common/request/exception.dart';
 import 'package:wow_english/common/request/dao/listen_dao.dart';
@@ -43,6 +45,8 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
   ///单元列表是否有刷新，有的话返回上一页时通知其刷新接口数据
   bool courseUnitEntityChanged = false;
 
+  late AudioPlayer audioPlayer; // 点击播放器
+  late AudioPlayer backgroundPlayer; // 背景播放器
   ///courseUnitId与课程环节列表的映射
   final Map<int, List<CourseSectionEntity>?> _courseSectionDatasMap = {};
 
@@ -61,16 +65,48 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
     on<RequestEnterClassEvent>(_requestEnterClass);
     on<RequestVideoLessonEvent>(_requestVideoLesson);
     on<CurrentUnitIndexChangeEvent>(_pageControllerChange);
+    on<InitEvent>(_init);
+    on<InitBlocEvent>((event, emit) {
+      // audioPlayer = AudioPlayer(playerId: 'section');
+      // backgroundPlayer = AudioPlayer(playerId: 'back');
+      // backgroundPlayer.onPlayerStateChanged.listen((event) async {
+      //   if (event == PlayerState.completed) {
+      //     debugPrint('播放结束');
+      //     backgroundPlayer
+      //         .play(AssetSource('count_with_me_instrumental'.assetMp3));
+      //   }
+      // });
+      // audioPlayer.onPlayerStateChanged.listen((event) async {
+      //   if (event == PlayerState.completed) {
+      //     debugPrint('播放结束');
+      //   }
+      // });
+    });
+  }
+  @override
+  Future<void> close() {
+    audioPlayer.release();
+    audioPlayer.dispose();
+    backgroundPlayer.release();
+    backgroundPlayer.dispose();
+    return super.close();
+  }
+
+  void _init(InitEvent event, Emitter<SectionState> emit) async {
+    audioPlayer = AudioPlayer(playerId: 'section');
+    // backgroundPlayer = AudioPlayer(playerId: 'back');
+    // backgroundPlayer.play(AssetSource('count_with_me_instrumental'.assetMp3));
   }
 
   void _requestSectionsData(
       RequestDataEvent event, Emitter<SectionState> emitter) async {
     try {
       await loading(() async {
-        List<CourseSectionEntity>? courseSectionEntities = await LessonDao.courseSection(courseUnitId: event.courseUnitId);
+        List<CourseSectionEntity>? courseSectionEntities =
+            await LessonDao.courseSection(courseUnitId: event.courseUnitId);
         if (courseSectionEntities != null) {
           _courseSectionDatasMap[event.courseUnitId] =
-          await LessonDao.courseSection(courseUnitId: event.courseUnitId);
+              await LessonDao.courseSection(courseUnitId: event.courseUnitId);
           emitter(LessonDataLoadState());
         }
       });
@@ -224,7 +260,8 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
       ///查找当前unit的下一个section
       CourseSectionEntity? nextCourseSectionEntity =
           findCourseSectionBySort(curSectionSort + 1);
-      return checkCourseSectionLocked(courseLessonId, nextCourseSectionEntity, emitter);
+      return checkCourseSectionLocked(
+          courseLessonId, nextCourseSectionEntity, emitter);
     } catch (e) {
       if (e is ApiException) {
         showToast(e.message.toString());
@@ -234,7 +271,9 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
   }
 
   ///检查section是否锁定
-  Future<CourseSectionEntity?> checkCourseSectionLocked(int courseLessonId, CourseSectionEntity? courseSectionEntity,
+  Future<CourseSectionEntity?> checkCourseSectionLocked(
+      int courseLessonId,
+      CourseSectionEntity? courseSectionEntity,
       Emitter<SectionState> emitter) async {
     if (courseSectionEntity != null) {
       if (courseSectionEntity.lock == false) {
@@ -243,15 +282,15 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
       } else {
         ///如果section锁了，请求当前unit下的section数据,查询解锁状态
         int courseUnitId = courseSectionEntity.courseUnitId;
-        CourseSectionEntity? result =  await loading(() async {
+        CourseSectionEntity? result = await loading(() async {
           List<CourseSectionEntity>? tempSectionEntities =
-          await LessonDao.courseSection(courseUnitId: courseUnitId);
+              await LessonDao.courseSection(courseUnitId: courseUnitId);
           if (tempSectionEntities != null) {
             _courseSectionDatasMap[courseUnitId] = tempSectionEntities;
             emitter(LessonDataLoadState());
           }
           courseSectionEntity = tempSectionEntities?.firstWhereOrNull(
-                  (element) => element.id == courseSectionEntity?.id);
+              (element) => element.id == courseSectionEntity?.id);
           if (courseSectionEntity?.lock == false) {
             ///刷新后的数据如果解锁了，直接返回
             return courseSectionEntity;
@@ -270,18 +309,20 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
       if (curCourseUnitDetail != null) {
         ///再根据当前unit的sortOrder找出下一个unit
         CourseUnitDetail? nextCourseUnitDetail =
-        _courseUnitEntity.courseUnitVOList?.firstWhereOrNull((element) =>
-          element.sortOrder == (curCourseUnitDetail.sortOrder! + 1));
+            _courseUnitEntity.courseUnitVOList?.firstWhereOrNull((element) =>
+                element.sortOrder == (curCourseUnitDetail.sortOrder! + 1));
 
         if (nextCourseUnitDetail != null) {
           if (nextCourseUnitDetail.lock == true) {
             ///如果下一个unit是锁定状态，请求数据刷新查询解锁状态
             CourseSectionEntity? result = await loading(() async {
-              CourseUnitEntity? newCourseUnitEntity = await LessonDao.courseUnit(
-                  _courseUnitEntity.nowCourseModuleId);
+              CourseUnitEntity? newCourseUnitEntity =
+                  await LessonDao.courseUnit(
+                      _courseUnitEntity.nowCourseModuleId);
 
               ///拿到重新获取到的unit后，再次判断是否解锁
-              nextCourseUnitDetail = newCourseUnitEntity?.courseUnitVOList?.firstWhereOrNull(
+              nextCourseUnitDetail = newCourseUnitEntity?.courseUnitVOList
+                  ?.firstWhereOrNull(
                       (element) => element.id == nextCourseUnitDetail?.id);
               if (nextCourseUnitDetail?.lock == false) {
                 ///解锁状态从锁定到解锁，覆盖原unit数据并刷新ui
@@ -289,7 +330,8 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
                 courseUnitEntityChanged = true;
                 emitter(LessonDataLoadState());
 
-                return checkCourseSectionLockedOfNextUnit(courseLessonId, nextCourseUnitDetail!.id!, emitter);
+                return checkCourseSectionLockedOfNextUnit(
+                    courseLessonId, nextCourseUnitDetail!.id!, emitter);
               } else {
                 showToast('下个单元课程还没解锁哦');
 
@@ -299,10 +341,12 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
             });
             return result;
           } else {
-            return checkCourseSectionLockedOfNextUnit(courseLessonId, nextCourseUnitDetail.id!, emitter);
+            return checkCourseSectionLockedOfNextUnit(
+                courseLessonId, nextCourseUnitDetail.id!, emitter);
           }
         } else {
           showToast("恭喜你，本阶段学到顶啦");
+
           ///最后一个unit了
           return null;
         }
@@ -314,13 +358,16 @@ class SectionBloc extends Bloc<SectionEvent, SectionState> {
   }
 
   ///检查下一个unit的（第一个）section
-  Future<CourseSectionEntity?> checkCourseSectionLockedOfNextUnit(int courseLessonId, int nextCourseUnitDetailId,
+  Future<CourseSectionEntity?> checkCourseSectionLockedOfNextUnit(
+      int courseLessonId,
+      int nextCourseUnitDetailId,
       Emitter<SectionState> emitter) async {
-    CourseSectionEntity? firstSectionNextUnit = await getFirstSectionByUnitId(
-        nextCourseUnitDetailId, emitter);
+    CourseSectionEntity? firstSectionNextUnit =
+        await getFirstSectionByUnitId(nextCourseUnitDetailId, emitter);
     if (firstSectionNextUnit != null) {
       ///下个unit的第一个section如果不为空，再次检查是否锁定
-      CourseSectionEntity? courseSectionEntity = await checkCourseSectionLocked(courseLessonId, firstSectionNextUnit, emitter);
+      CourseSectionEntity? courseSectionEntity = await checkCourseSectionLocked(
+          courseLessonId, firstSectionNextUnit, emitter);
       if (courseSectionEntity != null) {
         ///只有是下一unit的第一个section并且解锁了，才跳转
         _pageController.nextPage(
diff --git a/lib/pages/section/bloc/section_event.dart b/lib/pages/section/bloc/section_event.dart
index e9fa3ad..0aecf86 100644
--- a/lib/pages/section/bloc/section_event.dart
+++ b/lib/pages/section/bloc/section_event.dart
@@ -9,6 +9,8 @@ class RequestDataEvent extends SectionEvent {
   RequestDataEvent(this.courseUnitId);
 }
 
+class InitEvent extends SectionEvent {}
+
 ///获取视频课程内容
 class RequestVideoLessonEvent extends SectionEvent {
   final String courseLessonId;
@@ -53,3 +55,5 @@ class CurrentUnitIndexChangeEvent extends SectionEvent {
 
   CurrentUnitIndexChangeEvent(this.unitIndex);
 }
+
+class InitBlocEvent extends SectionEvent {}
diff --git a/lib/pages/section/bloc/section_state.dart b/lib/pages/section/bloc/section_state.dart
index 47aec56..b598397 100644
--- a/lib/pages/section/bloc/section_state.dart
+++ b/lib/pages/section/bloc/section_state.dart
@@ -22,3 +22,5 @@ class RequestEnterClassState extends SectionState {
 }
 
 class CurrentPageIndexState extends SectionState {}
+
+class VoicePlayChangeState extends SectionState {}
diff --git a/lib/pages/section/section_page.dart b/lib/pages/section/section_page.dart
index 27b4a53..eb801bc 100644
--- a/lib/pages/section/section_page.dart
+++ b/lib/pages/section/section_page.dart
@@ -39,7 +39,8 @@ class SectionPage extends StatelessWidget {
           initialPage,
           PageController(initialPage: initialPage),
           ScrollController(),
-          ScrollController()),
+          ScrollController())
+        ..add(InitEvent()),
       //为了触发指示器进入后计算位置
       //   ..add(CurrentUnitIndexChangeEvent(initialPage)),
       child: _SectionPageView(context),
@@ -88,57 +89,75 @@ class _SectionPageView extends StatelessWidget {
                   currentTime: dataMap['currentTime'],
                   autoNextSection: dataMap['nextSection']));
             }
+            if (bloc.backgroundPlayer.state == PlayerState.paused) {
+              bloc.backgroundPlayer.resume();
+            }
           });
           return;
         }
 
         if (state is RequestEnterClassState) {
+          bloc.backgroundPlayer.pause();
           if (state.courseType != SectionType.practice.value &&
               state.courseType != SectionType.pictureBook.value) {
             ///视频类型
             ///获取视频课程内容
             if (state.courseType == 1) {
-              AudioPlayer().play(AssetSource('music_time'.assetMp3));
+              bloc.audioPlayer.play(AssetSource('music_time'.assetMp3));
             } else {
-              AudioPlayer().play(AssetSource('video_time'.assetMp3));
+              bloc.audioPlayer.play(AssetSource('video_time'.assetMp3));
             }
-            bloc.add(RequestVideoLessonEvent(
-                state.courseLessonId, state.courseType));
+            Future.delayed(const Duration(seconds: 1), () {
+              bloc.add(RequestVideoLessonEvent(
+                  state.courseLessonId, state.courseType));
+            });
+
             return;
           }
 
           if (state.courseType == SectionType.pictureBook.value) {
-            AudioPlayer().play(AssetSource('reading_time'.assetMp3));
-            //绘本
-            pushNamed(AppRouteName.reading,
-                    arguments: {'courseLessonId': state.courseLessonId})
-                .then((value) {
-              if (value != null) {
-                Map<String, dynamic> dataMap = value as Map<String, dynamic>;
-                bloc.add(RequestEndClassEvent(
-                  dataMap['courseLessonId']!,
-                  dataMap['isCompleted'],
-                  currentStep: dataMap['currentStep'],
-                  autoNextSection: dataMap['nextSection'],
-                ));
-              }
+            bloc.audioPlayer.play(AssetSource('reading_time'.assetMp3));
+            Future.delayed(const Duration(seconds: 1), () {
+              //绘本
+              pushNamed(AppRouteName.reading,
+                      arguments: {'courseLessonId': state.courseLessonId})
+                  .then((value) {
+                if (value != null) {
+                  Map<String, dynamic> dataMap = value as Map<String, dynamic>;
+                  bloc.add(RequestEndClassEvent(
+                    dataMap['courseLessonId']!,
+                    dataMap['isCompleted'],
+                    currentStep: dataMap['currentStep'],
+                    autoNextSection: dataMap['nextSection'],
+                  ));
+                  if (bloc.backgroundPlayer.state == PlayerState.paused) {
+                    bloc.backgroundPlayer.resume();
+                  }
+                }
+              });
             });
+
             return;
           }
 
           if (state.courseType == SectionType.practice.value) {
             //练习
-            AudioPlayer().play(AssetSource('quiz_time'.assetMp3));
-            pushNamed(AppRouteName.topicPic,
-                    arguments: {'courseLessonId': state.courseLessonId})
-                .then((value) {
-              if (value != null) {
-                Map<String, dynamic> dataMap = value as Map<String, dynamic>;
-                bloc.add(RequestEndClassEvent(
-                    dataMap['courseLessonId']!, dataMap['isCompleted'],
-                    currentStep: dataMap['currentStep'],
-                    autoNextSection: dataMap['nextSection']));
-              }
+            bloc.audioPlayer.play(AssetSource('quiz_time'.assetMp3));
+            Future.delayed(const Duration(seconds: 1), () {
+              pushNamed(AppRouteName.topicPic,
+                      arguments: {'courseLessonId': state.courseLessonId})
+                  .then((value) {
+                if (value != null) {
+                  Map<String, dynamic> dataMap = value as Map<String, dynamic>;
+                  bloc.add(RequestEndClassEvent(
+                      dataMap['courseLessonId']!, dataMap['isCompleted'],
+                      currentStep: dataMap['currentStep'],
+                      autoNextSection: dataMap['nextSection']));
+                }
+                if (bloc.backgroundPlayer.state == PlayerState.paused) {
+                  bloc.backgroundPlayer.resume();
+                }
+              });
             });
             return;
           }
diff --git a/lib/pages/unit/widget/course_unit_item.dart b/lib/pages/unit/widget/course_unit_item.dart
index e47a09a..9288fad 100644
--- a/lib/pages/unit/widget/course_unit_item.dart
+++ b/lib/pages/unit/widget/course_unit_item.dart
@@ -17,14 +17,13 @@ class CourseUnitItem extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Padding(
-      padding: EdgeInsets.symmetric(horizontal: 12.w, vertical: 24.h),
-      child: Stack(
-        children: [
-          _normalItem(),
-          _lockWidget(),
-        ],
-      )
-    );
+        padding: EdgeInsets.symmetric(horizontal: 12.w, vertical: 24.h),
+        child: Stack(
+          children: [
+            _normalItem(),
+            _lockWidget(),
+          ],
+        ));
   }
 
   Widget _normalItem() {
@@ -40,17 +39,17 @@ class CourseUnitItem extends StatelessWidget {
         children: [
           Expanded(
               child: Container(
-                decoration: BoxDecoration(
-                    border: Border.all(
-                      width: 2,
-                      color: const Color(0xFF140C10),
-                    ),
-                    borderRadius: BorderRadius.circular(6)),
-                child: OwImageWidget(
-                  name: unitLesson.coverUrl ?? '',
-                  fit: BoxFit.fitHeight,
+            decoration: BoxDecoration(
+                border: Border.all(
+                  width: 2,
+                  color: const Color(0xFF140C10),
                 ),
-              )),
+                borderRadius: BorderRadius.circular(6)),
+            child: OwImageWidget(
+              name: unitLesson.coverUrl ?? '',
+              fit: BoxFit.fitHeight,
+            ),
+          )),
           20.verticalSpace,
           SizedBox(
             height: 40.h,
@@ -58,8 +57,7 @@ class CourseUnitItem extends StatelessWidget {
               unitLesson.name ?? '',
               maxLines: 2,
               overflow: TextOverflow.ellipsis,
-              style:
-              TextStyle(fontSize: 11.sp, color: const Color(0xFF140C10)),
+              style: TextStyle(fontSize: 11.sp, color: const Color(0xFF140C10)),
             ),
           )
         ],
@@ -75,12 +73,8 @@ class CourseUnitItem extends StatelessWidget {
         width: 165.w,
         decoration: BoxDecoration(
             image: DecorationImage(
-                image: AssetImage(
-                    'gendubeij_mengban'.assetPng
-                ),
-                fit: BoxFit.fill
-            )
-        ),
+                image: AssetImage('gendubeij_mengban'.assetPng),
+                fit: BoxFit.fill)),
         alignment: Alignment.center,
         child: Image.asset(
           'iv_lock'.assetPng,