联系我们Contact us
发现问题、有改进建议，或者只是想打个招呼？我们很乐意听到您的声音。Found a bug, have a suggestion, or just want to say hi? We'd love to hear from you.
GitHub 问题反馈Open a GitHub issue
报告错误或提出功能建议的最佳方式。也欢迎直接提交 Pull Request。The best way to report bugs or request features. Pull requests are welcome too.
参与贡献Contribute
本项目开源（MIT协议）。贡献指南介绍了如何参与内容和代码。The project is open source (MIT). The contributing guide explains how to help with content or code.
交流讨论Start a discussion
学习方法问题、课堂使用心得或一般性反馈。Questions about the method, classroom experiences, or general feedback.
提示：反馈网站问题时，请说明您使用的页面、浏览器和语言模式（中文/拼音/英文），这样我们能更快定位问题。Tip: when reporting a site issue, mention the page, your browser, and the language mode (Chinese/Pinyin/English) you were using — it helps us track things down faster.