Add reward info

Author: grandyang

README-CN.md

@@ -946,6 +946,16 @@ Note: 所有的讲解写在了 GitHub Issue 上面, **请不要在本项目中
 
 [https://itunes.apple.com/us/app/leetcode-meet-me/id1227610436?mt=8](https://itunes.apple.com/us/app/leetcode-meet-me/id1227610436?mt=8)
 
+
+<br>
+
+## Wechat Reward
+
+喜欢本项目的朋友们可以扫描下方的二维码进行打赏，大家打赏时请留下微信号哦，可以跟博主加为好友哈，感激万分～
+
+<img src="reward.png" width="200"/><br>
+
+
 <br>
 
 ## 特别鸣谢

README.md

@@ -948,6 +948,16 @@ This app displays all practical coding problems from leetcode.com, and provids t
 
 [https://itunes.apple.com/us/app/leetcode-meet-me/id1227610436?mt=8](https://itunes.apple.com/us/app/leetcode-meet-me/id1227610436?mt=8)
 
+
+<br>
+
+## Wechat Reward
+
+If you like this project and want to sponsor the author, you can reward the author using Wechat by scanning the following QR code.
+
+<img src="reward.png" width="200"/><br>
+
+
 <br>
 
 ## Special Thanks