If the paper title is wrong but has passed, you can try the following methods:

Contact the tutor or school, explain the situation and request to modify the topic. When explaining the situation, you should explain that your mistakes are unintentional, and promise to treat the topics and papers more seriously and carefully in the future.

If the tutor or school agrees to modify the topic, it can be modified according to their requirements. Generally speaking, the tutor will give you some guidance and suggestions to help you revise the topic better.

If the tutor or school does not agree to modify the topic, you can pay more attention to the matching degree between the topic and the content in future papers to avoid similar mistakes.