Thanks for answer, I just did it but it didn't work.
It showed me this result :
C:\Users\Administrator>"%plesk_cli%\repair" --repair-webspace-system-users -webspace-name kinders.ir
INFO: Updating system user 'kndrsir'...
ERR: "C:\Program Files (x86)\Plesk\admin\bin\usermng" --set-password...