Why can Xuexin.com's verification code be sent to students who are not their own?

Xue Xin's verification code. Com generally needs to log in, and the system will send you a verification code. This is the verification code when logging in.

If you give the verification code to someone else, it means that someone is logging into your Xue Xin account. If the other person logs in successfully, he will definitely see some personal information of your Xue Xin account. This is definitely no problem.

However, the other party will not see the content in your mobile phone, because the content in your mobile phone is stored locally in your mobile phone. The other party will only see your Xue Xin account number on different devices, but not the information in your mobile phone. The landlord can rest assured, but this personal information of Xue Xin is also important, so others should use the verification code carefully.