It's best to write a cover letter for the revised manuscript, explaining what you have revised. The revised manuscript can be left out, but it's best to attach amendments to explain it one by one. Generally speaking, I want to talk about the topic of my article, which is in line with the theme of the journal and what direction to focus on.

Then make sure that the study has not been published in any other magazine, and that all the authors agree to vote for this magazine. In order to give the editor a brief introduction or a good impression, the cover letter can play its role, because the editor first sees the cover letter written by the contributing author.

You'd better write out your suggestions.