diff --git a/demo2.py b/demo2.py
index 18f7dec..f536429 100644
--- a/demo2.py
+++ b/demo2.py
@@ -3,7 +3,7 @@ from model import FunASRNano
 
 def main():
     model_dir = "FunAudioLLM/Fun-ASR-Nano-2512"
-    m, kwargs = FunASRNano.from_pretrained(model=model_dir, device="cpu")
+    m, kwargs = FunASRNano.from_pretrained(model=model_dir, device="cuda:0")
     m.eval()
 
     wav_path = f"{kwargs['model_path']}/example/zh.mp3"
diff --git a/requirements.txt b/requirements.txt
index 6cef3df..596c112 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
+torch
+torchaudio
+transformers
 funasr>=1.2.7
-openai-whisper>=20250625