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@@ -99,7 +99,9 @@ print(fetch_map)
 <h3 align="center">Chinese Word Segmentation</h4>
 
 - **Description**: 
+``` shell
 Chinese word segmentation HTTP service that can be deployed with one line command.
+```
 
 - **Download Servable Package**: 
 ``` shell
@@ -122,8 +124,9 @@ curl -H "Content-Type:application/json" -X POST -d '{"words": "我爱北京天
 <h3 align="center">Image Classification</h4>
 
 - **Description**: 
-
+``` shell
 Image classification trained with Imagenet dataset. A label and corresponding probability will be returned.
+```
 
 - **Download Servable Package**: 
 ``` shell