https://www.jetbrains.com/zh/phpstorm/specials/phpstorm/phpstorm.html?utm_source=baidu&utm_medium=cpc&utm_campaign=cn-bai-br-phpstorm-ex-pc&utm_content=phpstorm-prue&utm_term=phpstorm&gclid=CKaCw7rEyeACFY1wvAodCGcHeg&gclsrc=ds
安装Material Theme UI,安装好后重启
Tools->Material Theme 中选择喜欢的样式就可以了
鼠标加滚轮改变编辑区字体的大小