docs: change to cc-by-nc

README.md

@@ -1,5 +1,5 @@
 ---
-license: cc-by-4.0
+license: cc-by-nc-4.0
 language:
 - hak
 pipeline_tag: text-to-speech
@@ -28,4 +28,4 @@ A experimental model train on dapu, hailu, raoping, sixian,zhaoan five dialect
 
 ## License
 
-License to use this model is covered by the [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/). By downloading the public and release version of the model, you accept the terms and conditions of the [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/) license.
+License to use this model is covered by the [CC-BY-NC-4.0](https://creativecommons.org/licenses/by-nc/4.0/). By downloading the public and release version of the model, you accept the terms and conditions of the [CC-BY-NC-4.0](https://creativecommons.org/licenses/by-nc/4.0/) license.