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 6b4bf5a6c..2233ed330 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
@@ -1178,7 +1178,7 @@ object BleService {
                         isWaitingForWriteCallback = true
                         
                         callWriteChar?.value = chunk
-                        recordfile1?.saveAudioDataToWav(callWriteChar)
+                        recordfile1?.saveAudioDataToWav(chunk)
                         //recordfile1?.saveAudioDataAsUtf8Hex(chunk, true)
                         val isSuccess = bluetoothGatt?.writeCharacteristic(callWriteChar)