Update README.md

Author: overtrue

README.md

@@ -2,6 +2,8 @@
 
 Make [laravel/passport](https://github.com/laravel/passport) token cacheable.
 
+[![Sponsor me](https://raw.githubusercontent.com/overtrue/overtrue/master/sponsor-me-button-s.svg)](https://github.com/sponsors/overtrue)
+
 
 ## Installing
 
@@ -35,7 +37,7 @@ return [
 
 ## :heart: Sponsor me 
 
-If you like the work I do and want to support it, [you know what to do :heart:](https://github.com/sponsors/overtrue)
+[![Sponsor me](https://raw.githubusercontent.com/overtrue/overtrue/master/sponsor-me.svg)](https://github.com/sponsors/overtrue)
 
 如果你喜欢我的项目并想支持它，[点击这里 :heart:](https://github.com/sponsors/overtrue)