After migration, the new address jumps back to the old address

GitLab CI/CD
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After the gitlab migration, the domain name redirection problem, the old machine domain name www.a.com new machine domain name www.b.com, access to the new machine domain name /, directly redirected to the old machine domain name login, resulting in the normal access to the new gitlab address , If you want to access the new one, you need to add /user behind the domain name to access normally.

gitlab version 12.4.1

  • I posted a similar post
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  • I have been waiting for the problem to be solved for a long time. I hope someone can give me an answer
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  • I studied it for a month, and finally solved it.
    *solution
    database： postgresql table： application_settings
    This table records my old domain name address