window -> Perspective -> Reset Perspective
打开:Preferences -> Colors and fonts -> Basic -> Text Editor Block Selection Font/Text Font
字体:Consolas
大小:小四
打开:eclipse\plugins\org.eclipse.ui.themes_1.2.1000.v20200528-1125\css\e4_default_win.css
添加如下内容:
CTabFolder Tree{
font-size: 12px;
font:Consolas;
}