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README.md

@@ -125,6 +125,12 @@ After pretraining, we fine-tune Mask²DiT using the datasets/sft.json. Use the f
 bash scripts/cogvideox_fun/train_mask2dit_sft.sh
 ```
 
+## 🙏 Acknowledgement
+
+This project is built upon the open-source repository 
+[VideoX-Fun](https://github.com/aigc-apps/VideoX-Fun).  
+We sincerely thank the original authors for their excellent work and open-source contributions.
+
 ## Bibtex
 If you find our work useful for your research, welcome to cite our work using the following BibTeX:
 ```bibtex