Update README.md

README.md

@@ -72,6 +72,19 @@ $result = $client->completions()->create([
 
 For usage examples, take a look at the [openai-php/client](https://github.com/openai-php/client) repository.
 
----
+## Donate
+
+> If you like them, Buy me a cup of coffee.
+
+| Alipay | WeChat |
+| ---- | ---- |
+| <img src="https://hdj.me/images/alipay-min.jpg" width="200" height="200" /> | <img src="https://hdj.me/images/wechat-pay-min.jpg" width="200" height="200" /> |
+
+## Contact
+
+- [Twitter](https://twitter.com/huangdijia)
+- [Gmail](mailto:[email protected])
+
+## License
 
 OpenAI PHP for Hyperf is an open-sourced software licensed under the **[MIT license](https://opensource.org/licenses/MIT)**.