diff --git a/README.md b/README.md
index f4b98de..be6ae63 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,8 @@ pip install pycuda
 
 ### Python
 
-show in `Examples.ipynb`
+show in `Examples.ipynb` <a href="https://github.com/Linaom1214/TensorRT-For-YOLO-Series/blob/main/Examples.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"></a>
+
 
 ### C++ 
 
@@ -40,3 +41,9 @@ make
 ./yolo ../model_trt.engine -i ../*.jpg
 ```
 
+## Old version
+[v0.0.1](https://github.com/Linaom1214/TensorRT-For-YOLO-Series/releases/tag/v0.0.1)
+[v0.0.2](https://github.com/Linaom1214/TensorRT-For-YOLO-Series/releases/tag/v0.0.2)
+
+
+