diff --git a/README.md b/README.md
index 1b8a841..bc405d2 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,15 @@ $ git clone https://github.com/YangLabHKUST/SpatialScope.git
 $ cd SpatialScope
 $ conda env create -f environment.yml
 $ conda activate SpatialScope
+$ python setup.py develop
 # fix bug of squidpy
 $ rsync ./src/_feature_mixin.py ~/.conda/envs/SpatialScope/lib/python3.9/site-packages/squidpy/im/_feature_mixin.py
 ```
 check the installation status
 ```shell
 $ python ./src/Cell_Type_Identification.py -h
+# or directly if `python setup.py develop` has been run
+$ Cell_Type_Identification.py -h
 ```