Update README.md

README.md

@@ -127,11 +127,9 @@ Sample imbalance
 Zijin Li
 
 ### Evaluation
-[李子晋, 韩宝强. 中国传统乐器音响数据库构建研究[J]. 中国音乐学, 2020(02):92-102+2.](https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CJFD&dbname=CJFDLAST2020&filename=ZYYX202002013&uniplatform=NZKPT&v=7XgjFhWwxaqXz5fg8DIhkJzfNT6gX9huNMH0y5oRG15SXfwDzqWIOuuquyUDS%25mmd2FJ9)
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-[Liang X, Li Z, Liu J, et al. Constructing a multimedia Chinese musical instrument database[C]//Proceedings of the 6th Conference on Sound and Music Technology (CSMT). Springer, Singapore, 2019: 53-60.](https://link.springer.com/chapter/10.1007/978-981-13-8707-4_5)
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-[Li Z, Liang X, Liu J, et al. DCMI: A Database of Chinese Musical Instruments[J].](https://dlfm.web.ox.ac.uk/sites/default/files/dlfm/documents/media/zijin-et-al-dcmi.pdf)
+[1] [李子晋, 韩宝强. 中国传统乐器音响数据库构建研究[J]. 中国音乐学, 2020(02):92-102+2.](https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CJFD&dbname=CJFDLAST2020&filename=ZYYX202002013&uniplatform=NZKPT&v=7XgjFhWwxaqXz5fg8DIhkJzfNT6gX9huNMH0y5oRG15SXfwDzqWIOuuquyUDS%25mmd2FJ9)<br>
+[2] [Liang X, Li Z, Liu J, et al. Constructing a multimedia Chinese musical instrument database[C]//Proceedings of the 6th Conference on Sound and Music Technology (CSMT). Springer, Singapore, 2019: 53-60.](https://link.springer.com/chapter/10.1007/978-981-13-8707-4_5)<br>
+[3] [Li Z, Liang X, Liu J, et al. DCMI: A Database of Chinese Musical Instruments[J].](https://dlfm.web.ox.ac.uk/sites/default/files/dlfm/documents/media/zijin-et-al-dcmi.pdf)
 
 ### Citation Information
 ```bibtex