diff --git a/README.md b/README.md
index ca1f410..08e0100 100644
--- a/README.md
+++ b/README.md
@@ -98,16 +98,13 @@ from modelscope.pipelines import pipeline
 from modelscope.pipelines.outputs import OutputKeys
 from modelscope.utils.constant import Tasks, Fields
 
-single_test_case_label = 'test_case_label_0'
 text = '待合成文本'
 voice = 'zhitian_emo'
-model_id = 'damo\speech_sambert-hifigan_tts_zhcn_16k'
+model_id = 'damo\speech_sambert-hifigan_tts_zh-cn_16k'
 sambert_hifigan_tts = pipeline(task=Tasks.text_to_speech, model=model_id)
-test_cases = {single_test_case_label: text}
-test_cases['voice'] = voice
-output = sambert_tts(test_cases)
+output = sambert_hifigan_tts(text, voice)
 # save to file output.wav
-write('output.wav', 16000, output[OutputKeys.OUTPUT_WAV][single_test_case_label])
+write('output.wav', 16000, output[OutputKeys.OUTPUT_WAV])
 ```
 
 ### 模型局限性以及可能的偏差