改成像这些图片里的这样: https://www.google.com/search?q=Background+color+setting+of+win7+Resource+Manager+window&newwindow=1&rlz=1C1CHWL_enUS802US802&tbm=isch&source=iu&ictx=1&fir=RXxgsSHQqOit9M%253A%252CsBZtePQjt5-f0M%252C_&usg=__7ZC2gTH1rCNitnWN12swoEUFq-c%3D&sa=X&ved=0ahUKEwiJg7m0l7XcAhWTJHwKHZrcBAsQ9QEIsgEwEA#imgrc=RXxgsSHQqOit9M: