After the computer certificate is not paid by direct mail, it shows no. After the registration time of direct mail is over, candidates who have not completed the payment will not be sent by direct mail, and the certificate will be issued to the test center. Candidates must contact the test center to collect it themselves. Candidates who have not mailed can't find the express mail information. Candidates can log on to the website of the Examination Center of the Ministry of Education to submit applications within the specified time. After paying the mailing fee, the examination center will directly issue certificates to qualified candidates.