diff --git a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
index d9b133f2a..6b4bf5a6c 100644
--- a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
+++ b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
@@ -1178,17 +1178,18 @@ object BleService {
                         isWaitingForWriteCallback = true
                         
                         callWriteChar?.value = chunk
-                        recordfile1?.saveAudioDataAsUtf8Hex(chunk, true)
+                        recordfile1?.saveAudioDataToWav(callWriteChar)
+                        //recordfile1?.saveAudioDataAsUtf8Hex(chunk, true)
                         val isSuccess = bluetoothGatt?.writeCharacteristic(callWriteChar)
                         
                         if (isSuccess == true) {
                             isWaitingForWriteCallback = false
-                            recordfile1?.saveAudioDataToWav("发送成功，大小: ${chunk.size} 字节")
+                           // recordfile1?.saveAudioDataToWav("发送成功，大小: ${chunk.size} 字节")
                             bytesSentInCurrentSecond += chunk.size
                             Log.d(TAG, "成功发送音频数据块，大小: ${chunk.size} 字节，等待写入回调...")
                         } else {
                             isWaitingForWriteCallback = false
-                            recordfile1?.saveAudioDataToWav("发送失败，大小: ${chunk.size} 字节")
+                            //recordfile1?.saveAudioDataToWav("发送失败，大小: ${chunk.size} 字节")
                             Log.e(TAG, "发送音频数据块失败，大小: ${chunk.size} 字节")
                             // analyzeWriteFailure(chunk)
                         }
diff --git a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/RecordingFile.kt b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/RecordingFile.kt
index 78d73aa46..0a0fb387f 100644
--- a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/RecordingFile.kt
+++ b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/RecordingFile.kt
@@ -36,7 +36,7 @@ class RecordingFile(private val context: Context) {
         val timestamp = dateFormat.format(Date())
 
         val filePath =
-            File(context.getExternalFilesDir(null), "${fileName}_${timestamp}.txt").absolutePath
+            File(context.getExternalFilesDir(null), "${fileName}_${timestamp}.opus").absolutePath
         currentAudioFile = File(filePath)
         currentAudioFile?.createNewFile()
         // 追加音频数据到文件