您可以通过去改变它文件 => 设置（快捷键 CTRL 骨节病> + ALT 骨节病> + 取值骨节病>），从左侧面板中选择外观，现在从右侧面板中选择主题

You can change it by going File => Settings (Shortcut CTRL+ ALT+ S) , from Left panel Choose Appearance , Now from Right Panel choose theme.