Possible reasons for not logging in are: 1, wrong user name or password, and wrong user name and password; 2. The school is not registered; 3. The system error is the problem of the website itself; 4. Computer problems. It is suggested to report the situation to the school office and solve it by the school office. 1 Very easy to solve, just take the right one; It is more troublesome and may not be admitted; It is also easy to solve, as long as the system error is corrected. Just repair the computer or replace it with a qualified computer.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.