Update README.md

Author: overtrue

README.md

@@ -45,6 +45,13 @@ You can contribute in one of three ways:
 
 _The code contribution process is not very formal. You just need to make sure that you follow the PSR-0, PSR-1, and PSR-2 coding guidelines. Any new code contributions must be accompanied by unit tests where applicable._
 
+## Project supported by JetBrains
+
+Many thanks to Jetbrains for kindly providing a license for me to work on this and other open-source projects.
+
+[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/overtrue)
+
+
 ## PHP 扩展包开发
 
 > 想知道如何从零开始构建 PHP 扩展包？