diff --git a/README.md b/README.md
index 3162218..fedcbd5 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,8 @@ The nnfp operator is suitable for audio fingerprinting.
Generate embeddings for the audio "test.wav".
-*Write a same pipeline with explicit inputs/outputs name specifications:*
+*Write a pipeline with explicit inputs/outputs name specifications:*
-- **option 1 (towhee>=0.9.0):**
```python
from towhee.dc2 import pipe, ops, DataCollection
@@ -36,19 +35,6 @@ DataCollection(p('test.wav')).show()
```
-- **option 2:**
-```python
-import towhee
-
-(
- towhee.glob['path']('test.wav')
- .audio_decode.ffmpeg['path', 'frames']()
- .runas_op['frames', 'frames'](func=lambda x:[y[0] for y in x])
- .audio_embedding.nnfp['frames', 'vecs']()
- .select['path', 'vecs']()
- .show()
-)
-```
## Factory Constructor