> For the complete documentation index, see [llms.txt](https://help.ppgg.in/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.ppgg.in/docs/account/two-step-login.md).

# 两步登录

- [为什么要使用两步登录？](https://help.ppgg.in/docs/account/two-step-login/field-guide-for-two-step-login.md)
- [设置两步登录](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login.md)
- [两步登录方式](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-methods.md)
- [两步登录 - 验证器](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-via-authenticator.md)
- [两步登录 - 电子邮箱](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-via-email.md)
- [两步登录 - Duo](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-via-duo.md)
- [两步登录 - YubiKey OTP](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-via-yubikey.md)
- [两步登录 - 通行密钥](https://help.ppgg.in/docs/account/two-step-login/setup-two-step-login/two-step-login-via-fido.md)
- [两步登录恢复代码](https://help.ppgg.in/docs/account/two-step-login/recovery-codes.md)
- [无法访问两步登录](https://help.ppgg.in/docs/account/two-step-login/lost-two-step-device.md)
- [两步登录 FAQ](https://help.ppgg.in/docs/account/two-step-login/two-step-login-faq.md)