Update README.md

Author: overtrue

README.md

@@ -2,7 +2,7 @@
 
 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)
+[![Sponsor me](https://github.com/overtrue/overtrue/blob/master/sponsor-me-button-s.svg?raw=true)](https://github.com/sponsors/overtrue)
 
 
 ## Installing
@@ -38,7 +38,7 @@ return [
 
 ## :heart: Sponsor me 
 
-[![Sponsor me](https://raw.githubusercontent.com/overtrue/overtrue/master/sponsor-me.svg)](https://github.com/sponsors/overtrue)
+[![Sponsor me](https://github.com/overtrue/overtrue/blob/master/sponsor-me.svg?raw=true)](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)