diff --git a/README.md b/README.md
index be7853b..b3cb64c 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,6 @@ Load an image from path './test.png' and use yolov5 model to detect objects in t
 
 *Write a same pipeline with explicit inputs/outputs name specifications:*
 
-- **option 1: towhee>=0.9.0**
 ```Python
 from towhee.dc2 import pipe, ops, DataCollection
 
@@ -41,20 +40,6 @@ p = (
 DataCollection(p('./test.png')).show()
 ```
 
-- **option 2:**
-```python
-import towhee
-
-(
-    towhee.glob['path']('./test.png')
-          .image_decode['path','img']()
-          .object_detection.yolov5['img', ('box', 'class', 'score')]()
-          .image_crop[('img', 'box'), 'object'](clamp = True)
-          .select['img','object', 'class']()
-          .show()
-)
-```
-
 <img src="./result.png" alt="result" height="140px"/>
 
 <br />