Some accounts are stolen recently.
在意账户安全的会员请尽快更改密码。如果可能,不要与其他站点相同
如果你的账户被用来出售邀请、作弊或进行其他违规活动,责任由该账号承担。
请记住:你有保护你自己账号的责任。

邀请系统已临时关闭。将会在近期随着新的安全改进重新开放。

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If you care a lot about your account, change your password. Do not use the same password on other sites if possible.
If your account was used to sell invites, cheat or do something violating our rules, we will punish that account regardless of who is really using it.
REMEMBER: You own your account. It's your responsibility to secure it.

Invite system is temporarily closed. Will re-open after some upcoming security updates.