chore: update docs

README.md

@@ -522,6 +522,28 @@ sub2api/
     └── install.sh            # One-click installation script
 ```
 
+## Disclaimer
+
+> **Please read carefully before using this project:**
+>
+> :rotating_light: **Terms of Service Risk**: Using this project may violate Anthropic's Terms of Service. Please read Anthropic's user agreement carefully before use. All risks arising from the use of this project are borne solely by the user.
+>
+> :book: **Disclaimer**: This project is for technical learning and research purposes only. The author assumes no responsibility for account suspension, service interruption, or any other losses caused by the use of this project.
+
+---
+
+## Star History
+
+<a href="https://star-history.com/#Wei-Shaw/sub2api&Date">
+ <picture>
+   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date&theme=dark" />
+   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date" />
+   <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date" />
+ </picture>
+</a>
+
+---
+
 ## License
 
 MIT License

README_CN.md

@@ -588,6 +588,28 @@ sub2api/
     └── install.sh            # 一键安装脚本
 ```
 
+## 免责声明
+
+> **使用本项目前请仔细阅读：**
+>
+> :rotating_light: **服务条款风险**: 使用本项目可能违反 Anthropic 的服务条款。请在使用前仔细阅读 Anthropic 的用户协议，使用本项目的一切风险由用户自行承担。
+>
+> :book: **免责声明**: 本项目仅供技术学习和研究使用，作者不对因使用本项目导致的账户封禁、服务中断或其他损失承担任何责任。
+
+---
+
+## Star History
+
+<a href="https://star-history.com/#Wei-Shaw/sub2api&Date">
+ <picture>
+   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date&theme=dark" />
+   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date" />
+   <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=Wei-Shaw/sub2api&type=Date" />
+ </picture>
+</a>
+
+---
+
 ## 许可证
 
 MIT License