将 tab 改为 4 个空格
File → setting → Editor → Code Style → Go
取消 import 自动导入
File → setting → Go → imports
去掉勾选
修改编码集
File → setting → Editor → File Encodings
文档快速显示
File → setting → Editor → General → Code Completion
去掉区分大小写
File → setting → Editor → General → Code Completion
显示分隔方法的下划线
File → setting → Editor → General → Appearance
