A friend just asked me to send him Xuexin.com's verification code, and he wanted to help another friend recruit. only

You'd better not give this casually. This degree is related to your ID card and so on. Just like I'm taking the self-taught exam now, Xue Xin's academic information. You still need com. Although it is used for conscription, it is not good to use it wrong. Besides, can't the mobile phone number be used for conscription or something? I will also contact your mobile phone number if there is anything.