Update README.md

Author: overtrue

README.md

@@ -2,6 +2,8 @@
 
 [Qiniu](http://www.qiniu.com/) storage for Laravel based on [overtrue/flysystem-qiniu](https://github.com/overtrue/flysystem-qiniu).
 
+[![Sponsor me](https://raw.githubusercontent.com/overtrue/overtrue/master/sponsor-me-button-s.svg)](https://github.com/sponsors/overtrue)
+
 # Requirement
 
 - PHP >= 5.5.9
@@ -84,7 +86,7 @@ $url = $disk->privateDownloadUrl('folder/my_file.txt');
 
 ## :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)