[Feature]: 支持评论时使用自己的登陆系统用户名和邮箱吗？ || [Feature]: Is it possible to use your own login system username and email when commenting?

[Feature]: 支持评论时使用自己的登陆系统用户名和邮箱吗？ || [Feature]: Is it possible to use your own login system username and email when commenting? #706