文档优先读取本地字体

docs/css/extra.css

@@ -37,7 +37,8 @@
 /*字体渲染*/
 @font-face{
     font-family: 'JetBrains Mono';
-    src: url('https://raw.githubusercontent.com/JetBrains/JetBrainsMono/master/fonts/webfonts/JetBrainsMono-Regular.woff2') format('woff2'),
+    src: local('JetBrains Mono'),
+         url('https://raw.githubusercontent.com/JetBrains/JetBrainsMono/master/fonts/webfonts/JetBrainsMono-Regular.woff2') format('woff2'),
          url('https://raw.githubusercontent.com/JetBrains/JetBrainsMono/master/fonts/ttf/JetBrainsMono-Regular.ttf') format('truetype');
     font-weight: normal;
     font-style: normal;