Update README.md

Author: majiameng

README.md

@@ -147,9 +147,8 @@ Thanks for your contribution to the project!
 
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 ## Star History
 
-[![Star History Chart](https://api.star-history.com/svg?repos=majiameng/OAuth2&type=Date)](https://github.com/majiameng/OAuth2)
+[![Star History Chart](https://api.star-history.com/svg?repos=majiameng/OAuth2&type=Date)](https://www.star-history.com/#majiameng/OAuth2&Date)