diff --git a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/tools/SimpleAudioReceiver.kt b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/tools/SimpleAudioReceiver.kt
index a7e202690..5dddebd68 100644
--- a/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/tools/SimpleAudioReceiver.kt
+++ b/local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/tools/SimpleAudioReceiver.kt
@@ -237,8 +237,21 @@ fun startAudioRecord(audioSourceType: AudioSourceType, callback: AudioDataCallba
             // 设置通话模式 - 这是关键！
             audioManager?.mode = AudioManager.MODE_IN_COMMUNICATION
             
-            // 启用扬声器（如果需要外放）
-            audioManager?.isSpeakerphoneOn = true
+            // 检查是否有蓝牙音频设备连接
+            val isBluetoothConnected = audioManager?.isBluetoothA2dpOn == true 
+         
+            // 只有在没有蓝牙设备连接时才启用扬声器
+            if (!isBluetoothConnected) {
+                audioManager?.isSpeakerphoneOn = true
+
+                Log.d("AudioMode", "未检测到蓝牙设备，启用扬声器")
+            } else {
+                audioManager?.isSpeakerphoneOn = false
+                // 启用蓝牙SCO连接
+                audioManager?.isBluetoothScoOn = true
+                audioManager?.startBluetoothSco()
+                Log.d("AudioMode", "检测到蓝牙设备，使用蓝牙音频")
+            }
             
             // 请求音频焦点
             if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {