diff --git a/README.md b/README.md
index c456edb..1edd4a3 100644
--- a/README.md
+++ b/README.md
@@ -106,8 +106,6 @@ widgets:
 
 #### 代码范例
 ```Python
-from scipy.io.wavfile import write
-
 from modelscope.outputs import OutputKeys
 from modelscope.pipelines import pipeline
 from modelscope.utils.constant import Tasks
@@ -116,8 +114,9 @@ text = '待合成文本'
 model_id = 'damo/speech_sambert-hifigan_tts_zh-cn_16k'
 sambert_hifigan_tts = pipeline(task=Tasks.text_to_speech, model=model_id)
 output = sambert_hifigan_tts(input=text)
-pcm = output[OutputKeys.OUTPUT_PCM]
-write('output.wav', 16000, pcm)
+wav = output[OutputKeys.OUTPUT_WAV]
+with open('output.wav', 'wb') as f:
+    f.write(wav)
 ```
 
 ### 模型局限性以及可能的偏差