# Page Not Found

The URL `about/update-log` does not exist.

You might be looking for one of these pages:
- [更新日志](https://docs.2sj.ai/ai/update-log.md)
- [联系方式](https://docs.2sj.ai/about/contact.md)
- [2024.01.01 Version 2.1.0](https://docs.2sj.ai/ai/update-log/2024.01.01-version-2.1.0.md)
- [2023.12.21 Version 2.0.0](https://docs.2sj.ai/ai/update-log/2023.12.21-version-2.0.0.md)
- [2023.12.10 Version 1.9.3](https://docs.2sj.ai/ai/update-log/2023.12.10-version-1.9.3.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.2sj.ai/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.2sj.ai/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/ai/update-log.md`)
- Use `Accept: text/markdown` header for content negotiation