The teacher forgot to indicate that he was not hired, and so on. If the first trial fails, you can appeal directly.
However, there is only one opportunity to complain. It is recommended to call the Education Bureau. Candidates can modify their personal basic information without passing the "qualification examination" of the employer or "abandoning their posts and reporting to other positions" (steps: log in to the personal registration platform, click on the homepage of the personal platform and directly click "Modify Personal Basic Information" above.