Why name of commits authored different?

Why I see PersonHumanTest 7 Mirlu Devops authored 12 minutes ago

or Commits · 31-fix-issue-assets · Dmitrii Ermolaev / erchi · GitLab

or Files · 31-fix-issue-assets · Dmitrii Ermolaev / erchi · GitLab

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but I send commits from IntelliJ IDEA 2022.3 as d.ermolaev

But I see in activity as d.ermolaev

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but in CONTRIBUTOR I see me as Icreator and Devops

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I reinstall Git and IDEA but result is same ((