See this how to report useful bug report:

https://www.kali.org/docs/community/submitting-issues-kali-bug-tracker/

I click settings -> power manager -> system
and disable checkbox 'lock screen when system is going to sleep'
but the password to unlock screen requires.

Thank you for your interest in Kali but this bug report is not actionable. Please read https://www.kali.org/docs/community/submitting-issues-kali-bug-tracker/ first. We are a small team and we expect you to provide a much more detailed bug report.
Once you have done the necessary research (possibly with the help of the community on https://forums.kali.org/, or on the Discord chat at https://discord.kali.org/, or on IRC #kali-linux on irc.oftc.net), feel free to re-open this bug with more information or to open a new report.