> For the complete documentation index, see [llms.txt](https://kb.nssurge.com/surge-knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.nssurge.com/surge-knowledge-base/zh/license.md).

# License

- [Surge 购买前常见问题](https://kb.nssurge.com/surge-knowledge-base/zh/license/pre-sale.md)
- [Surge iOS 授权相关问题](https://kb.nssurge.com/surge-knowledge-base/zh/license/ios-faq.md)
- [Surge iOS 功能订阅更新说明](https://kb.nssurge.com/surge-knowledge-base/zh/license/ios-fus.md)
- [Surge Mac 授权相关问题](https://kb.nssurge.com/surge-knowledge-base/zh/license/mac-faq.md)
- [Surge Mac 维护更新订阅说明](https://kb.nssurge.com/surge-knowledge-base/zh/license/mac-fus.md): 本文系统阐述了 Surge Mac 维护更新订阅模式的规则与用户权益，供参考与查阅。