Update README.md

README.md

@@ -139,7 +139,7 @@ Firstly, **Fig. 1** illustrates the number and proportion of audio clips in each
 | Class with max durs |     `Glissando`      |
 
 ### Supported Tasks and Leaderboards
-MIR, audio classification
+MIR, audio classification, Guzheng playing technique classification
 
 ### Languages
 Chinese, English
@@ -199,4 +199,4 @@ Dichucheng Li
 ```
 
 ### Contributions
-Promoting the development of the music AI industry
+A dataset for Guzheng playing technique