Generally speaking, when you reply, you rarely ask specific technical questions, but more are ideas. You can tell the way to solve the problem, even if your programming ability is weak, the teacher will recognize it.

Then, you should make sure that your system works normally, and simple functions are not allowed to have bugs. If there is no problem with this part, show it to the teacher again. You don't have to demonstrate all the functions. At least one of them is qualified.

The key now is to improve your thesis, which is the key to your fate.