diff --git a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureAsrToAsr.kt b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureAsrToAsr.kt
index 070b042ed..b8e5e3056 100644
--- a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureAsrToAsr.kt
+++ b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureAsrToAsr.kt
@@ -80,36 +80,6 @@ class IntegratedSpeechTranslationService(
     // 语音映射缓存
     private val voiceCache = ConcurrentHashMap<String, String>()
 
-
-
-    // TTS合成中的音频缓存
-    private var ttsdata: ByteArray = ByteArray(0)
-
-    /**
-     * 处理合成音频分片（按1280字节对齐）
-     * 输入的音频数据会追加到缓存；仅当累计长度达到`multiple`的整数倍时，
-     * 将该整数倍长度的部分通过`onSynthesisAudioGenerated`发送；余数保留在缓存等待下次。
-     */
-    private fun processSynthesisAudioChunk(
-        text: String,
-        incoming: ByteArray,
-        multiple: Int = 1280
-    ) {
-        if (incoming.isNotEmpty()) {
-            ttsdata = ttsdata + incoming
-        }
-
-        val sendLen = (ttsdata.size / multiple) * multiple
-        if (sendLen > 0) {
-            val chunk = ttsdata.copyOfRange(0, sendLen)
-            Log.d(TAG, "按${multiple}字节对齐发送音频: ${chunk.size} 字节，缓存剩余: ${ttsdata.size - sendLen}")
-            eventCallback?.onSynthesisAudioGenerated(text, chunk)
-            ttsdata = ttsdata.copyOfRange(sendLen, ttsdata.size)
-        } else {
-            Log.d(TAG, "暂未够${multiple}字节，当前缓存: ${ttsdata.size}")
-        }
-    }
-
     /**
      * 服务配置类
      */
@@ -429,7 +399,6 @@ class IntegratedSpeechTranslationService(
                 // 合成开始事件
                 SynthesisStarted.addEventListener { _, _ ->
                     Log.d(TAG, "合成开始事件")
-                               ttsdata = ByteArray(0)
                     serviceState.isSynthesizing.set(true)
                     eventCallback?.onStateChanged("Synthesis", true)
                 }
@@ -437,11 +406,9 @@ class IntegratedSpeechTranslationService(
                 // 合成进行中事件
                 Synthesizing.addEventListener { _, event ->
                     Log.d(TAG, "合成进行中事件")
-                // 计算进度（简化版）
-                val progress = 0.5f // 实际应用中可以根据音频数据计算
+                    // 计算进度（简化版）
+                    val progress = 0.5f // 实际应用中可以根据音频数据计算
                     eventCallback?.onSynthesisProgress("", progress)
-                    val incoming = event.result.audioData ?: ByteArray(0)
-                    processSynthesisAudioChunk("", incoming, 1280)
                 }
 
                 // 合成完成事件
@@ -454,7 +421,6 @@ class IntegratedSpeechTranslationService(
                 // 合成取消事件
                 SynthesisCanceled.addEventListener { _, event ->
                     Log.d(TAG, "合成取消事件")
-                               ttsdata = ByteArray(0)
                     serviceState.isSynthesizing.set(false)
                     val reason = event.result.reason
                     eventCallback?.onError("Synthesis", "语音合成取消: $reason")
@@ -639,7 +605,6 @@ class IntegratedSpeechTranslationService(
         try {
             Log.d(TAG, "开始语音合成: $text")
             serviceState.isSynthesizing.set(true)
-
             eventCallback?.onSynthesisStarted(text)
             
             val ssml = generateOptimizedSsml(text)
@@ -653,13 +618,12 @@ class IntegratedSpeechTranslationService(
                 
                 // 获取音频数据
                 val audioData = result.audioData
-                // if (audioData != null && audioData.isNotEmpty()) {
-                //     // 通过回调返回音频数据
-                //     eventCallback?.onSynthesisAudioGenerated(text, audioData)
-                //     Log.d(TAG, "音频数据大小: ${audioData.size} 字节")
-                // }
-                 eventCallback?.onSynthesisAudioGenerated(text, ttsdata)
-                ttsdata = ByteArray(0)
+                if (audioData != null && audioData.isNotEmpty()) {
+                    // 通过回调返回音频数据
+                    eventCallback?.onSynthesisAudioGenerated(text, audioData)
+                    Log.d(TAG, "音频数据大小: ${audioData.size} 字节")
+                }
+                
                 return audioData
             } else {
                 Log.e(TAG, "语音合成失败: ${result?.reason}")
@@ -1769,4 +1733,4 @@ class VolcanoTranslationServiceImpl :
             Log.e(TAG, "清理资源失败", e)
         }
     }
-}
+}
\ No newline at end of file
diff --git a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt
index a080f4562..702f91aca 100644
--- a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt
+++ b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt
@@ -1042,10 +1042,10 @@ class AzureSpeechPlugin : BleService.Callback, FlutterPlugin {
                         override fun onSynthesisAudioGenerated(text: String, audioData: ByteArray) {
                             FileLogger.d(tag, "语音合成音频生成,文本=${text},音频数据大小=${audioData.size}")
                                // Azure TTS返回的是RIFF WAV格式，需要去除文件头
-                    //val pcmData = extractPcmFromWav(audioData)
-                    if (audioData.isNotEmpty()) {
-                        FileLogger.d(tag, "提取PCM数据，大小=${audioData.size}字节")
-                            BleService.writeExternalAudioData(audioData)
+                    val pcmData = extractPcmFromWav(audioData)
+                    if (pcmData.isNotEmpty()) {
+                        FileLogger.d(tag, "提取PCM数据，大小=${pcmData.size}字节")
+                            BleService.writeExternalAudioData(pcmData)
                     }
                     else {
                         FileLogger.e(tag, "提取PCM数据失败，音频数据可能不是WAV格式")
diff --git a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureSpeechPlugin.swift b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureSpeechPlugin.swift
index d6324d393..c74abc624 100644
--- a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureSpeechPlugin.swift
+++ b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureSpeechPlugin.swift
@@ -1039,10 +1039,10 @@ private class AstEventCallback: IntegratedSpeechTranslationService.ServiceEventC
         os_log("语音合成音频生成,文本=%@,音频数据大小=%d", log: plugin.log, type: .info, text, audioData.count)
         
         // Azure TTS返回的是RIFF WAV格式，需要去除文件头提取PCM数据
-      //  let pcmData = plugin.extractPcmFromWav(audioData)
-        if !audioData.isEmpty {
-            os_log("提取PCM数据，大小=%d字节", log: plugin.log, type: .info, audioData.count)
-            BleService.shared.writeExternalAudioData(data: audioData)
+        let pcmData = plugin.extractPcmFromWav(audioData)
+        if !pcmData.isEmpty {
+            os_log("提取PCM数据，大小=%d字节", log: plugin.log, type: .info, pcmData.count)
+            BleService.shared.writeExternalAudioData(data: pcmData)
         } else {
             os_log("提取PCM数据失败，音频数据可能不是WAV格式", log: plugin.log, type: .error)
         }
diff --git a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/IntegratedSpeechTranslationService.swift b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/IntegratedSpeechTranslationService.swift
index a404cf89a..97db886f4 100644
--- a/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/IntegratedSpeechTranslationService.swift
+++ b/local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/IntegratedSpeechTranslationService.swift
@@ -66,9 +66,6 @@ import os.log
     // 处理队列
     private let processingQueue = DispatchQueue(label: "com.azure.speech.processing", qos: .userInitiated)
     
-    // 合成中的音频缓存
-    private var ttsBuffer = Data()
-    
     // MARK: - Configuration Structures
     
     /**
@@ -481,7 +478,6 @@ import os.log
             // 合成开始事件
             synthesizer?.addSynthesisStartedEventHandler { [weak self] (synthesizer, event) in
                 guard let self = self else { return }
-                self.ttsBuffer = Data()
                 
                 os_log("合成开始事件", log: self.log, type: .info)
                 self.serviceState.isSynthesizing = true
@@ -491,7 +487,7 @@ import os.log
                 }
             }
             
-            // 合成进行中事件 - 增量发送音频分片（按1280字节对齐）
+            // 合成进行中事件 - 修改为返回音频数据
             synthesizer?.addSynthesizingEventHandler { [weak self] (synthesizer, event) in
                 guard let self = self else { return }
                     // 安全解包audioData
@@ -499,8 +495,8 @@ import os.log
                     os_log("合成进行中事件，音频数据为空", log: self.log, type: .debug)
                     return
                 }
-                self.processSynthesisAudioChunk(text: "", incoming: audioData, multiple: 1280)
-                os_log("合成进行中事件，累计缓存长度: %d bytes", log: self.log, type: .debug, self.ttsBuffer.count)
+                    os_log("合成进行中事件，音频数据长度: %d bytes", log: self.log, type: .debug, audioData.count)
+              
             }
             
             // 合成完成事件
@@ -509,14 +505,16 @@ import os.log
                 
                 os_log("合成完成事件", log: self.log, type: .info)
                   // 安全解包audioData
-           
-                // 发送缓存中的剩余数据（可能非1280对齐的余量）
-                let remaining = self.ttsBuffer
-                self.ttsBuffer = Data()
+                guard let audioData = event.result.audioData else {
+                    os_log("合成完成事件，音频数据为空", log: self.log, type: .debug)
+                    return
+                }
+                os_log("合成完成事件，音频数据长度: %d bytes", log: self.log, type: .debug, audioData.count)
                 DispatchQueue.main.async {
-                    self.serviceState.isSynthesizing = false
-                    self.eventCallback?.onSynthesisAudioGenerated(text: "", audioData: remaining)
-                    self.eventCallback?.onStateChanged(component: "Synthesis", isActive: false)
+             self.serviceState.isSynthesizing = false
+                    // 立即返回当前生成的音频数据
+                    self.eventCallback?.onSynthesisAudioGenerated(text: "", audioData: audioData)
+               self.eventCallback?.onStateChanged(component: "Synthesis", isActive: false)
                 }
               
             }
@@ -527,8 +525,6 @@ import os.log
                 
                 os_log("合成取消事件", log: self.log, type: .info)
                 self.serviceState.isSynthesizing = false
-                // 取消时清空缓存，避免脏数据
-                self.ttsBuffer = Data()
                 
                 // 修复：移除可选链，因为event.result不是可选类型
                 let reason = event.result.reason
@@ -546,32 +542,6 @@ import os.log
         }
     }
     
-    /**
-     * 处理合成音频分片（按multiple字节对齐，默认1280）
-     * - 参数 text: 正在合成的文本
-     * - 参数 incoming: 新到达的音频数据块
-     * - 参数 multiple: 对齐字节倍数（例如16000Hz/16bit/mono下常用1280）
-     * 将incoming追加到缓存，仅当累计长度达到multiple的整数倍时，
-     * 发送对齐部分；余数继续保留在缓存，等待后续数据到来或合成完成时一次性发送。
-     */
-    private func processSynthesisAudioChunk(text: String, incoming: Data?, multiple: Int = 1280) {
-        guard let incoming = incoming, !incoming.isEmpty else { return }
-        // 追加到缓存
-        ttsBuffer.append(incoming)
-        // 计算可发送的对齐长度
-        let sendLen = (ttsBuffer.count / multiple) * multiple
-        if sendLen > 0 {
-            let chunk = ttsBuffer.prefix(sendLen)
-            // 发送对齐部分
-            let toSend = Data(chunk)
-            DispatchQueue.main.async { [weak self] in
-                self?.eventCallback?.onSynthesisAudioGenerated(text: text, audioData: toSend)
-            }
-            // 保留余数
-            ttsBuffer = Data(ttsBuffer.suffix(ttsBuffer.count - sendLen))
-        }
-    }
-    
     // MARK: - Public Methods
     
     /**