diff --git a/demo/image_matting/Inference_with_ONNX/README.md b/demo/image_matting/Inference_with_ONNX/README.md
index 8e1e4d9..cb3f295 100644
--- a/demo/image_matting/Inference_with_ONNX/README.md
+++ b/demo/image_matting/Inference_with_ONNX/README.md
@@ -1,5 +1,7 @@
 # Inference with onnxruntime
 
+Download [modnet.onnx](https://drive.google.com/file/d/1cgycTQlYXpTh26gB9FTnthE7AvruV8hd/view?usp=sharing)
+
 ### 1. Export onnx model
 
 Run the following command: