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 538a5b66e..cd0269c34 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
@@ -485,22 +485,13 @@ import os.log
             // 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
+                    // 安全解包audioData
                 guard let audioData = event.result.audioData else {
                     os_log("合成进行中事件，音频数据为空", log: self.log, type: .debug)
                     return
                 }
-                
-                os_log("合成进行中事件，音频数据长度: %d bytes", log: self.log, type: .debug, audioData.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)
               
-                
-                DispatchQueue.main.async {
-             
-                    // 立即返回当前生成的音频数据
-                    self.eventCallback?.onSynthesisAudioGenerated(text: "", audioData: audioData)
-                }
             }
             
             // 合成完成事件
@@ -508,11 +499,19 @@ import os.log
                 guard let self = self else { return }
                 
                 os_log("合成完成事件", log: self.log, type: .info)
-                
+                  // 安全解包audioData
+                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?.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)
                 }
+              
             }
             
             // 合成取消事件