diff --git a/README.md b/README.md
index dd54c64..3457d18 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,12 @@ git clone https://github.com/huichenggong/Sfilter_Cylinder
 cd Sfilter_Cylinder
 pip install .
 ```
+### 1.3 add ipython kernel
+```bash
+conda activate Name_of_Env
+conda install ipykernel
+python -m ipykernel install --user
+```
 
 ## How to use it ?
 ```bash