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 2d08ca702..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
@@ -264,74 +264,44 @@ public class AzureTtsHelper: NSObject, ITtsService {
         pendingTasks.removeAll()
         taskLock.unlock()
         
-        // 使用异步停止方法并等待完成
-        let stopGroup = DispatchGroup()
-        stopGroup.enter()
-        
-        synthesisQueue.async { [weak self] in
-            guard let self = self else {
-                stopGroup.leave()
-                return
-            }
+        do {
+            print("liwei-------------停止语音合成播放")
+            try self.synthesizer?.stopSpeaking()
+            self.notifyEvent(eventType: .synthesisCanceled)
             
+            if !micCapture.isCapturing{
+                 // 停止时设置音频会话为非活跃状态
+           // try AVAudioSession.sharedInstance().setActive(false)
+            }
+         
+            print("音频会话已设置为非活跃状态")
+        } catch {
+            os_log("停止语音合成失败: %{public}@", log: self.log, type: .error, error.localizedDescription)
+            self.notifyEvent(eventType: .error, params: [
+                "errorCode": "STOP_FAILED",
+                "errorMessage": error.localizedDescription
+            ])
+        }
+        
+        synthesisQueue.async {
             do {
-                print("liwei-------------停止语音合成播放")
-                // 使用同步停止方法
-                if let synthesizer = self.synthesizer {
-                    try synthesizer.stopSpeaking()
-                }
-                
-                self.notifyEvent(eventType: .synthesisCanceled)
-                
-                if !self.micCapture.isCapturing {
-                    // 停止时设置音频会话为非活跃状态
-                    // try AVAudioSession.sharedInstance().setActive(false)
-                }
-                
-                print("音频会话已设置为非活跃状态")
-                
-                // 等待所有合成操作完成后再重新创建
-                self.synthesisGroup.wait()
-                
-                // 安全地销毁和重新创建合成器
                 self.synthesizer = nil
                 try self.recreateSynthesizer()
-                
-            } catch {
-                os_log("停止语音合成失败: %{public}@", log: self.log, type: .error, error.localizedDescription)
-                self.notifyEvent(eventType: .error, params: [
-                    "errorCode": "STOP_FAILED",
-                    "errorMessage": error.localizedDescription
-                ])
+            }catch {
+                os_log("重置语音合成失败: %{public}@", log: self.log, type: .error, error.localizedDescription)
             }
-            
-            stopGroup.leave()
         }
         
-        // 等待停止操作完成
-        stopGroup.wait()
         return true
     }
     /**
      * 释放资源
      */
     public func dispose() {
-        // 先停止所有操作
         _ = stop()
-        
-        // 等待所有异步操作完成
         synthesisGroup.wait()
         
         synthesisQueue.sync {
-            // 确保合成器完全停止后再销毁
-            if let synthesizer = self.synthesizer {
-                do {
-                    try synthesizer.stopSpeaking()
-                } catch {
-                    os_log("停止合成器失败: %{public}@", log: self.log, type: .error, error.localizedDescription)
-                }
-            }
-            
             synthesizer = nil
             speechConfig = nil
             customAudioOutputStream = nil
@@ -471,45 +441,29 @@ public class AzureTtsHelper: NSObject, ITtsService {
     /**
      * 执行语音合成
      */
-    private func performSynthesis(sessionid: String, text: String) {
+    private func performSynthesis(sessionid:String,text: String) {
         if (self.sessionid != sessionid) {
             return
         }
-        
-        // 进入合成组
-        synthesisGroup.enter()
-        
         speaking = true
+//        lastSpokenText = text
         // 生成SSML
         let ssml = generateOptimizedSsml(text)
         
         do {
             if (self.sessionid != sessionid) {
-                synthesisGroup.leave()
                 return
             }
             os_log("开始合成: %{public}@", log: log, type: .debug, ssml)
+            let result = try synthesizer?.startSpeakingSsml(ssml)
             
-            // 使用同步合成方法
-            if let synthesizer = self.synthesizer {
-                do {
-                    try synthesizer.startSpeakingSsml(ssml)
-                    os_log("合成开始成功", log: self.log, type: .debug)
-                } catch {
-                    self.speaking = false
-                    os_log("合成失败: %{public}@", log: self.log, type: .error, error.localizedDescription)
-                    self.notifyEvent(eventType: .error, params: [
-                        "errorCode": "SYNTHESIS_FAILED",
-                        "errorMessage": error.localizedDescription
-                    ])
-                }
+            if let result = result {
+                os_log("合成完成，结果: %{public}@", log: log, type: .debug, String(describing: result.reason))
             }
-            
         } catch {
             speaking = false
+            // 减少待处理文本计数
             pendingTextCount = max(0, pendingTextCount - text.count)
-            synthesisGroup.leave()
-            
             os_log("语音合成失败: %{public}@", log: log, type: .error, error.localizedDescription)
             notifyEvent(eventType: .error, params: [
                 "errorCode": "SYNTHESIS_FAILED",