Save changes on exit?

Hello, When close Blender by File->Quit it ask “Quit Blender?”, when close by [X] it just close Blender window, without asking about changes. I save my work regularly, but I think Blender should ask “save changes?” on exit.

son epoxy
can dich vu giup viec nha, chuyen tim nguoi giup viec nha chuyen nghiep.
cong ty giup viec nha gioi

Have you got enabled the ‘Promp Quit’ option in the User Preferences ?

inbox for me. i can help you