Update

Signed-off-by: shiyu22 <shiyu.chen@zilliz.com>

README.md

@@ -1,10 +1,10 @@
-# Pipeline: Image Embedding using Resnet
+# Pipeline: Image Embedding using Resnet50
 
 Authors: derekdqc, shiyu22
 
 ## Overview
 
-The pipeline is used to **extract the feature vector of a given image**. It first normalizes the image and then uses Resnet model to generate the vector.
+The pipeline is used to **extract the feature vector of a given image**. It first normalizes the image and then uses Resnet50 model to generate the vector.
 
 ## Interface
 
@@ -39,7 +39,7 @@ $ pip3 install towhee
 >>> from PIL import Image
 
 >>> img = Image.open('path/to/your/image') # for example, './test.jpg'
->>> embedding_pipeline = pipeline('towhee/image-embedding-resnet')
+>>> embedding_pipeline = pipeline('towhee/image-embedding-resnet50')
 >>> embedding = embedding_pipeline(img)
 ```