Update README.md

Author: JX3Toy

README.md

@@ -25,7 +25,11 @@ This software is for study and research purposes only. Any commercial or illegal
 
 <https://jx3toy.pages.dev> (镜像3)
 
+<br>
+
 ## 捐赠(Donate)
+如果您觉得这个项目对您有帮助, 欢迎通过加密货币的方式进行捐赠。  
+下方二维码为 ERC-20 地址, 可接收USDT等加密货币，主网 **Polygon**
 
 <p align="center"><img src="https://raw.githubusercontent.com/JX3Toy/JX3Toy/main/ERC-20.png"></p>
-<p>0x7f28d68C0ff5b12E054143926d263febffDd7842</p>
+<p align="center">0x7f28d68C0ff5b12E054143926d263febffDd7842</p>