If the graduation thesis is not submitted on time, the first thing to do is to take action as soon as possible to avoid further delay. Here are some possible remedies:

Contact the tutor: contact the tutor immediately, explain the situation and request an extension of submission. Mentors may provide some guidance and suggestions, or provide some solutions.

Submit an extension application: If the tutor agrees to postpone the submission, you need to submit an extension application to the school. Usually, this can be done through the online system, and the reason and duration of the delay need to be explained.

Participate in the next round of evaluation: If the submission cannot be postponed, you can participate in the next round of graduation thesis evaluation. This may require some extra preparation and efforts, but at least there is a chance to pass the examination and get a diploma.

Help: If you can't participate in the next round of assessment, you can ask the school education department or relevant institutions for help. They may provide some guidance and suggestions, or provide other feasible solutions.