Update README.md

README.md

@@ -131,7 +131,7 @@ No black key in Steinway
 Zijin Li
 
 ### Evaluation
-[Monan Zhou, Shangda Wu, Shaohua Ji, Zijin Li, and Wei Li. A Holistic Evaluation of Piano Sound Quality[C]//Proceedings of the 6th Conference on Sound and Music Technology (CSMT). Springer, Singapore, 2023.](https://github.com/MuGeminorum/Piano-Classification)
+[Monan Zhou, Shangda Wu, Shaohua Ji, Zijin Li, and Wei Li. A Holistic Evaluation of Piano Sound Quality[C]//Proceedings of the 6th Conference on Sound and Music Technology (CSMT). Springer, Singapore, 2023.](https://arxiv.org/pdf/2310.04722.pdf)
 
 ### Licensing Information
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