1.设置字体:File ->Setings->Editor->Font
2.设置配色方案:File->Settings->Editor->Colors Scheme
3.设置编码:File->Setting->Editor->File Encodings
4.隐藏不需要的文件:File->Settings->Editor->File Types
5.显示/吟唱工具条和工具按钮:View->Toolbar
View->Tool Buttons