Update README.md

README.md

@@ -1,3 +1,6 @@
+---
+license: apache-2.0
+---
 <!-- markdownlint-disable first-line-h1 -->
 <!-- markdownlint-disable html -->
 
@@ -592,4 +595,4 @@ stream_output = model.generate(
 
 ## <img src="https://cdn.jsdelivr.net/gh/LightChen233/blog-img/star.png" width="25" /> Star History
 
-[![Star History Chart](https://api.star-history.com/svg?repos=HIT-SCIR/huozi&type=Date)](https://star-history.com/#HIT-SCIR/huozi&Date)
+[![Star History Chart](https://api.star-history.com/svg?repos=HIT-SCIR/huozi&type=Date)](https://star-history.com/#HIT-SCIR/huozi&Date)