diff --git a/lib/data/services/speech_impl/azure_asr_service.dart b/lib/data/services/speech_impl/azure_asr_service.dart
index 5137faee5..9c46e528e 100644
--- a/lib/data/services/speech_impl/azure_asr_service.dart
+++ b/lib/data/services/speech_impl/azure_asr_service.dart
@@ -55,6 +55,11 @@ class AzureAsrService extends GetxService implements AsrService {
   // 当前音频源类型
   AudioSourceType _audioSourceType = AudioSourceType.microphone;
 
+  // 防抖时间戳与间隔（实例级）
+  DateTime? _lastStartAt;
+  DateTime? _lastStopAt;
+  static const Duration _debounce = Duration(milliseconds: 600);
+
   AzureAsrService() {
     _loadConfig();
   }
@@ -172,7 +177,21 @@ class AzureAsrService extends GetxService implements AsrService {
   }
 
   @override
+
+  /// 开始连续语音识别（带防抖）
+  ///
+  /// 行为说明：
+  /// - 在 600ms 的冷却时间内再次调用会被防抖拦截并返回 false；
+  /// - 首次或冷却期外调用会继续启动连续识别；
+  /// - 若当前已处于连续识别中，会先调用停止后再启动。
   Future<bool> startContinuousRecognition(bool audioSourceType) async {
+    // 防抖判断：短时间内重复调用直接拦截
+    final now = DateTime.now();
+    if (_lastStartAt != null && now.difference(_lastStartAt!) < _debounce) {
+      return false;
+    }
+    _lastStartAt = now;
+
     if (!_isInitialized) {
       await initialize();
     }
@@ -201,7 +220,21 @@ class AzureAsrService extends GetxService implements AsrService {
   }
 
   @override
+
+  /// 停止连续语音识别（带防抖）
+  ///
+  /// 行为说明：
+  /// - 在 600ms 的冷却时间内再次调用会被防抖拦截并返回 false；
+  /// - 若当前不在识别中，直接返回 true；
+  /// - 调用成功后立即将内部状态置为 false（同时事件通道回调仍会再次校正）。
   Future<bool> stopContinuousRecognition() async {
+    // 防抖判断：短时间内重复调用直接拦截
+    final now = DateTime.now();
+    if (_lastStopAt != null && now.difference(_lastStopAt!) < _debounce) {
+      return false;
+    }
+    _lastStopAt = now;
+
     if (!_isInitialized || !_isContinuousRecognitionActive) {
       return true;
     }
@@ -209,6 +242,9 @@ class AzureAsrService extends GetxService implements AsrService {
     try {
       final bool result =
           await _channel.invokeMethod('stopContinuousRecognition');
+      if (result) {
+        _isContinuousRecognitionActive = false;
+      }
       return result;
     } catch (e) {
       Logger.error('停止连续语音识别失败: ${e.toString()}');
diff --git a/lib/modules/agent/controllers/agent_controller.dart b/lib/modules/agent/controllers/agent_controller.dart
index 631f1c78d..111add8e4 100644
--- a/lib/modules/agent/controllers/agent_controller.dart
+++ b/lib/modules/agent/controllers/agent_controller.dart
@@ -37,7 +37,7 @@ enum VoiceInputMode {
   phoneCall, // 打电话模式
 }
 
-class AgentController extends GetxController {
+class AgentController extends GetxController with WidgetsBindingObserver {
   static AgentController get to => Get.find(); //单例访问模式
 
   // 聊天消息列表
@@ -171,6 +171,9 @@ class AgentController extends GetxController {
 
     startVoiceInput(); //开启语音输入
 
+    // 监听应用生命周期：当应用切到后台/失焦时兜底结束按住说话，防止 onPointerUp 未触发
+    WidgetsBinding.instance.addObserver(this);
+
     // _qqmusicManager.syncCurrentPlayInfo();
   }
 
@@ -217,6 +220,10 @@ class AgentController extends GetxController {
     _amapeventSubscription?.cancel();
     _bleEventSubscription?.cancel();
     Intro.of(Get.context!).dispose();
+
+    // 取消应用生命周期监听
+    WidgetsBinding.instance.removeObserver(this);
+
     super.onClose();
   }
 
@@ -2042,6 +2049,26 @@ class AgentController extends GetxController {
     }
   }
 
+  /// 应用生命周期变化回调
+  /// 目的：
+  /// - 当应用进入后台、失去焦点或被系统分离（inactive/paused/detached）时，
+  ///   兜底结束按住说话（调用 endPushToTalk），避免因 onPointerUp 未触发而卡在“按下”状态。
+  /// 参数：
+  /// - state: 当前应用生命周期状态
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.inactive ||
+        state == AppLifecycleState.paused ||
+        state == AppLifecycleState.detached) {
+      if (isPushToTalkActive.value) {
+        // 使用 microtask 避免阻塞当前生命周期回调
+        Future.microtask(() {
+          endPushToTalk();
+        });
+      }
+    }
+  }
+
   // ========== 媒体会话回调处理方法 ==========
 
   /// 处理来自系统通知栏的播放操作
diff --git a/lib/modules/translation/controllers/translation_controller.dart b/lib/modules/translation/controllers/translation_controller.dart
index 326001c0a..fb258a9d8 100644
--- a/lib/modules/translation/controllers/translation_controller.dart
+++ b/lib/modules/translation/controllers/translation_controller.dart
@@ -31,7 +31,7 @@ enum AudioOutputDevice {
   speaker, // 强制扬声器
 }
 
-class TranslationController extends GetxController {
+class TranslationController extends GetxController with WidgetsBindingObserver {
   static const String TAG = 'TranslationController';
 
   // 服务
@@ -268,6 +268,9 @@ class TranslationController extends GetxController {
 
     // 初始化历史管理器
     _historyManager.initialize();
+
+    // 监听应用生命周期：当应用切到后台/失焦时兜底重置 activeSpeaker
+    WidgetsBinding.instance.addObserver(this);
   }
 
   /// 预先检查权限
@@ -460,9 +463,29 @@ class TranslationController extends GetxController {
     _timerManager.dispose();
     _historyManager.dispose();
 
+    // 取消应用生命周期监听
+    WidgetsBinding.instance.removeObserver(this);
+
     super.onClose();
   }
 
+  /// 应用生命周期变化回调
+  /// 当应用进入后台、失去焦点或分离（inactive/paused/detached）时，
+  /// 兜底将 activeSpeaker 重置为 0，等价于“松手”，避免 onPointerUp 未触发导致的卡住问题。
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.inactive ||
+        state == AppLifecycleState.paused ||
+        state == AppLifecycleState.detached) {
+      if (activeSpeaker.value != 0) {
+        // 使用 microtask 避免阻塞当前生命周期回调
+        Future.microtask(() {
+          setActiveSpeaker(0);
+        });
+      }
+    }
+  }
+
   // 切换TTS功能
   void toggleTts() => isTtsEnabled.toggle();
 
diff --git a/lib/modules/translation/views/translation_view.dart b/lib/modules/translation/views/translation_view.dart
index b82ae3667..6796213ba 100644
--- a/lib/modules/translation/views/translation_view.dart
+++ b/lib/modules/translation/views/translation_view.dart
@@ -608,23 +608,13 @@ class TranslationView extends GetView<TranslationController> {
           return;
         }
 
-        _holdTimer = Timer(const Duration(milliseconds: 200), () {
-          if (activeSpeaker == 0) {
-            controller.setActiveSpeaker(speakerId);
-          }
-        });
+        controller.setActiveSpeaker(speakerId);
       },
       onPointerUp: (_) {
-        _holdTimer?.cancel();
-        if (isActive) {
-          controller.setActiveSpeaker(0);
-        }
+        controller.setActiveSpeaker(0);
       },
       onPointerCancel: (_) {
-        _holdTimer?.cancel();
-        if (isActive) {
-          controller.setActiveSpeaker(0);
-        }
+        controller.setActiveSpeaker(0);
       },
       child: AnimatedContainer(
         duration: const Duration(milliseconds: 200),
diff --git a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
index c2aa49785..afa0077b0 100644
--- a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
+++ b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
@@ -393,13 +393,12 @@ class AgentServiceImpl: NSObject {
             stopRecognition()
         }
         
-        // 检查当前音乐播放状态并记录
-        let currentPlayState = QPlayAutoManager.shared.currentPlayState
-        wasMusicPlayingBeforeRecognition = (currentPlayState == .playing)
+
+        wasMusicPlayingBeforeRecognition = MusicService.shared.isPlaying
         
         // 如果音乐正在播放，则暂停
-        if wasMusicPlayingBeforeRecognition {
-           // QPlayAutoManager.shared.pause()
+        if MusicService.shared.isPlaying {
+              MusicService.shared.pause()
         }
        
         // 设置当前识别模式
@@ -469,6 +468,7 @@ class AgentServiceImpl: NSObject {
         if wasMusicPlayingBeforeRecognition {
            // QPlayAutoManager.shared.play()
             wasMusicPlayingBeforeRecognition = false
+            MusicService.shared.resume()
         }
         
         BleService.shared.closeCodec()
diff --git a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureTtsHelper.swift b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureTtsHelper.swift
index dd6e17009..30dfd7464 100644
--- a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureTtsHelper.swift
+++ b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureTtsHelper.swift
@@ -271,7 +271,7 @@ public class AzureTtsHelper: NSObject, ITtsService {
             
             if !micCapture.isCapturing{
                  // 停止时设置音频会话为非活跃状态
-            try AVAudioSession.sharedInstance().setActive(false)
+           // try AVAudioSession.sharedInstance().setActive(false)
             }
          
             print("音频会话已设置为非活跃状态")
@@ -526,7 +526,7 @@ public class AzureTtsHelper: NSObject, ITtsService {
             // 检查是否为最后一个文本播放完毕
             if self.pendingTextCount == 0 && self.pendingTasks.isEmpty && !micCapture.isCapturing{
                 do {
-                    try AVAudioSession.sharedInstance().setActive(false)
+                   // try AVAudioSession.sharedInstance().setActive(false)
                     print("最后一个文本播放完毕，音频会话已设置为非活跃状态")
                 } catch {
                     print("设置音频会话为非活跃状态失败: \(error.localizedDescription)")
@@ -682,5 +682,4 @@ public func resetTextCount() {
 
 
 }
-
-
+ 
\ No newline at end of file
diff --git a/local_plugins/azure_speech/ios/azure_speech/Sources/tools/MicrophoneCapture.swift b/local_plugins/azure_speech/ios/azure_speech/Sources/tools/MicrophoneCapture.swift
index b888aa715..f85a7e906 100644
--- a/local_plugins/azure_speech/ios/azure_speech/Sources/tools/MicrophoneCapture.swift
+++ b/local_plugins/azure_speech/ios/azure_speech/Sources/tools/MicrophoneCapture.swift
@@ -220,7 +220,7 @@ public class MicrophoneCapture: NSObject {
             throw NSError(domain: "未知权限状态", code: 1)
         }
     }
-    
+
     /**
      * 检查音频格式是否符合Microsoft音频堆栈要求
      * 如果符合则无需转换，直接使用原始格式
@@ -256,9 +256,15 @@ public class MicrophoneCapture: NSObject {
         
         // 获取实际硬件采样率
         sampleRate = audioSession.sampleRate
+             // 安全地停止音频引擎
+        if let engine = audioEngine {
+            engine.stop()
+        }
         
-        // 移除之前的音频处理块，避免重复添加
-        audioInputNode.removeTap(onBus: 0)
+        // 安全地移除音频处理块
+        if let inputNode = audioInputNode {
+            inputNode.removeTap(onBus: 0)
+        }
         
         // 设置音频格式
         let inputFormat = audioInputNode.inputFormat(forBus: 0)
@@ -447,7 +453,7 @@ public class MicrophoneCapture: NSObject {
         }
             try? audioSession.overrideOutputAudioPort(.none)
             try? audioSession.setActive(true)
-        } 
+    }
     
     /**
      * 重置音频捕获状态
diff --git a/local_plugins/music_service/ios/music_service/Sources/music_service/MusicService.swift b/local_plugins/music_service/ios/music_service/Sources/music_service/MusicService.swift
index c506c98aa..320702e8b 100644
--- a/local_plugins/music_service/ios/music_service/Sources/music_service/MusicService.swift
+++ b/local_plugins/music_service/ios/music_service/Sources/music_service/MusicService.swift
@@ -206,7 +206,7 @@ public class MusicService: NSObject {
         }
     }
     
-    func pause() {
+    public func pause() {
         player?.pause()
         isPlaying = false
         updatePlaybackState()
@@ -215,7 +215,7 @@ public class MusicService: NSObject {
         print("已暂停")
     }
     
-    func resume() {
+    public func resume() {
         player?.play()
         isPlaying = true
         updatePlaybackState()