Update

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

README.md

@@ -50,8 +50,6 @@ You can get the required python package by [requirements.txt](https://zilliverse
 
 ## **How it works**
 
-The `towhee/image-embedding-operator-template` Operator implements the function of image embedding, which can add to the pipeline. For example, it's the key Operator named embedding_model within [image-embedding-pipeline-template](https://hub.towhee.io/towhee/image-embedding-pipeline-template) pipeline, and it is the red box in the picture below.
-
-![img](./readme_res/operator.png)
+The `towhee/image-embedding-operator-template` Operator implements the function of image embedding, which can add to the pipeline. For example, it's the key Operator named embedding_model within [image-embedding-pipeline-template](https://hub.towhee.io/towhee/image-embedding-pipeline-template) pipeline.
 
 ## **Reference**