The reason why the verification code for checking results of public institutions is incorrect

Refresh issues on the page.

The verification code for logging in will change every time the page is refreshed. If the verification code is wrong, the system will change the verification code. This may be because the page is still the previous verification code, that is, you will not enter the same verification code twice. Registration code, see that the verification code has been changed and then re-enter the new verification code. Therefore, the reason why the verification code for checking results of public institutions is incorrect is the refresh problem on the page.

SMS verification code is an effective verification code system that sends verification codes to mobile phones.