遺產問題..趕..20分

If your aunt has signed document to prevent you from using the money from you grandba, then it is valid even though she did not anounce it in the begining. However, I cannot think of any kind of documents which have such power.
If you refuse giving money to your father, then you can feel free to do so. You can even make a post on newspaper to anounce to the public that there is no more relationship between you and your father. Such that the lender of your father will not chase your back, or at least the new lenders.
You can apply for a warrant to keep your father away from your living area if you really found that he is such annoying. He will be caught and sent to court if he kept appear around your living area after you applied for the warrant.
You promise to settle the debts for your father on the phone. Even if he records it, he cannot enforce you to do so. There is no binding contract between you and your father. To promise to settle the debts on the phone is simply a promise. It is no consideration. Therefore, he cannot enforce it.
Personally, I would suggest you to contact with your aunt directly. You want to clarify the said documents. If you are not able to contact with your aunt, then forget about it. Your father at most is able to forze you from using the money from your grandba for a period of time. He cannot withdraw or use the money too.

正如你所說，有禁制令的話，你父一定會及有快得快去做啦，因為是他的利益，可以自己取得利益還在等什麼，所以他應該是嚇你的居多，使你給他錢順快些，同時你是合法的遺產繼承人，可以不用理會他，希望幫到你