[x] Clean the backend code (in the decorator folder, for the frontend code, I hope a brave person can solve the crazy if-else, I don't have much patience anymore, kek)
[x] Add auto build CI (The frontend automation test needs to introduce cypress, or something like this, I don't have time to add for now, so sorry)
TODO:
decoratorfolder, for the frontend code, I hope a brave person can solve the crazy if-else, I don't have much patience anymore, kek)