yànzhèngmǎ shì línshí xìnxī, cuò le jiù chóngxīn yào, bié zài tóng yīgè cuòwù lǐ kǎ tài jiǔ

验证码是临时信息，错了就重新要，别在同一个错误里卡太久。

Verification codes are temporary; if you get it wrong, just request a new one. Don't get stuck on the same mistake for too long.