My vote goes if I upgrade post

Sorry I have no idea what you mean. Give me the step by step that you did.

I am the site administrator https://www.frasifilms.it/

1) I publish a post. [OK]
2) I vote the post. [OK]
3) I modify the post and then refresh the post, my vote disappears… [PROBLEM]

If I modify the post, for example to correct a word, my vote is lost. It’s abnormal ??

The ratings are stored in the post custom field and when you edit it, you overwrite the fields.

So after you publish a post, then rate the post, then go back to the edit post page. Don’t use the same as the 1). Refresh the page.