回複：我該怎麽辦？

It's hard to change other people, then change yourself: be straightforward, but not offensive. Don't assume. Regarding leaving the door open or closed, ask her directly.

她平時抱怨，一到上麵就不說話了，然後看到昨天老板對我批評她一句話不說，下來後也沉默

Well, maybe you expect too much, I think.