diff --git a/doubao/__pycache__/audio_manager.cpython-312.pyc b/doubao/__pycache__/audio_manager.cpython-312.pyc
index d6b7b3d..1270ee1 100644
Binary files a/doubao/__pycache__/audio_manager.cpython-312.pyc and b/doubao/__pycache__/audio_manager.cpython-312.pyc differ
diff --git a/doubao/__pycache__/config.cpython-312.pyc b/doubao/__pycache__/config.cpython-312.pyc
index d526e24..270dfec 100644
Binary files a/doubao/__pycache__/config.cpython-312.pyc and b/doubao/__pycache__/config.cpython-312.pyc differ
diff --git a/doubao/input.pcm b/doubao/input.pcm
index 7f25e48..6509d54 100644
Binary files a/doubao/input.pcm and b/doubao/input.pcm differ
diff --git a/doubao/main.py b/doubao/main.py
index 985cbd0..291af3a 100644
--- a/doubao/main.py
+++ b/doubao/main.py
@@ -6,7 +6,7 @@ from audio_manager import DialogSession
 
 async def main() -> None:
     parser = argparse.ArgumentParser(description="Real-time Dialog Client")
-    parser.add_argument("--format", type=str, default="pcm", help="The audio format (e.g., pcm, pcm_s16le).")
+    parser.add_argument("--format", type=str, default="pcm_s16le", help="The audio format (e.g., pcm, pcm_s16le).")
     parser.add_argument("--audio", type=str, default="", help="audio file send to server, if not set, will use microphone input.")
     parser.add_argument("--mod",type=str,default="audio",help="Use mod to select plain text input mode or audio mode, the default is audio mode")
     parser.add_argument("--recv_timeout",type=int,default=10,help="Timeout for receiving messages,value range [10,120]")
diff --git a/doubao/output.pcm b/doubao/output.pcm
index b9697ad..1905884 100644
Binary files a/doubao/output.pcm and b/doubao/output.pcm differ