https://github.com/cf-coin/loc.git

simple_form hints two_factor otp
en	Your validator will re-generate a new password every thirty seconds, please input timely.
ja
zh-CN	您的验证器每三十秒会重新生成新密码，请及时输入。
simple_form hints two_factor otp_secret
en	We recommend that you back up QR code image or ciphertext to avoid that you accidental loss of the phone for the inconvenience.
ja
zh-CN	建议您备份好二维码图片或者密文，以免手机意外丢失后给您带来不便。

oslivan https://github.com/cf-coin/loc.git