Do you think so? Don't give your father an empty promise. I believe you have done it many times, and your credibility is questioned.
First of all, you should analyze the reasons why you didn't do well in this exam, which subject you didn't do well in, what reason, whether you were careless, whether you didn't review well, or whether there was something wrong with the topic, and so on.
Then you and your father have a good talk. Don't be too busy making promises. Admit your mistake first. You didn't do well in the exam But you didn't do well in the exam for a reason. Let's talk about the reasons for your analysis. At the same time, for these reasons, what should you do in the future, where you need to correct it, and work harder.
At least, your father knows that you are careful. If he is in a good mood, he may give you a suspended sentence.
Finally, for the reasons of poor study, make more efforts. After all, learning is your own business. If you don't do well in the next exam, the gods won't save you.
Come on, Sao nian.