Update README.md

README.md

@@ -87,7 +87,7 @@ with torch.no_grad():
 print(scores)
 ```
 
-See the [demo](./retrieval_demo.ipynb) for a complete example of using BGE-VL for multimodel retrieval.
+See the [demo](https://github.com/VectorSpaceLab/MegaPairs/blob/main/retrieval_demo.ipynb) for a complete example of using BGE-VL for multimodel retrieval.
 
 
 ### 2. BGE-VL-MLLM Models