Solution:

1, the account password is really wrong. Please carefully check whether the password is accurate, especially whether the case input method is correct.

2. The account password was stolen: In this case, please click the password on the login page and follow the instructions on the webpage.

3. Pay attention to the time of account registration: generally, the time for registering teacher qualification certificate and retaining information is the current exam. For example, if you registered last year, you can't log in again this year. You need to re-register and log in to see if the system reminds you.