diff --git a/README.md b/README.md
index bec0ba67a455661084b89db3ed629c91a33e3a29..cf068b6527067922d705eb77a8a2e1b1591db792 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ python lac_web_service.py jieba_server_model/ lac_workdir 9292
 ```
 - **Request sample**: 
 ``` shell
-curl -H "Content-Type:application/json" -X POST -d '{"words": "我爱北京天安门", "fetch":["crf_decode"]}' http://127.0.0.1:9292/lac/prediction
+curl -H "Content-Type:application/json" -X POST -d '{"words": "我爱北京天安门", "fetch":["word_seg"]}' http://127.0.0.1:9292/lac/prediction
 ```
 - **Request result**: 
 ``` shell