diff --git a/README.md b/README.md
index ec98f27..b2d02fe 100644
--- a/README.md
+++ b/README.md
@@ -16,16 +16,18 @@ The pipeline is used to extract the feature vector of detected faces in images.
 Load an image from path './test_face.jpg'.
 
 *Write a pipeline with explicit inputs/outputs name specifications:*
+```python
 from towhee.dc2 import pipe, ops, DataCollection
 
 p = (
     pipe.input('path')
         .map('path', 'img', ops.image_decode())
-        .map('img', 'vec', ops.face_embedding.deepface(model_name = 'DeepFace')))
+        .map('img', 'vec', ops.face_embedding.deepface(model_name = 'DeepFace'))
         .output('img', 'vec')
 )
 
 DataCollection(p('./test_face.jpg')).show()
+```
 
 <img src="./image.png" height="200px"/>