1菜单栏字体.File –Settings –Appearance & Behavior – Appearance ，右边Override default fonts by(not recommended)
2.设置代码大小：File –Settings-Editor-Colors & Fonts – Font，右边刚开始是不能编辑的，在右边 Scheme 处先Save as 后可以编辑大小了.
1菜单栏字体.File –Settings –Appearance & Behavior – Appearance ，右边Override default fonts by(not recommended)