fix

Author: dingyiming

src/guide/state-management.md

@@ -1,4 +1,4 @@
- ---
+---
 title: 状态管理
 type: guide
 order: 21

themes/vue/source/css/_settings.styl

@@ -1,7 +1,7 @@
 // font faces
 $body-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
 $logo-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
-$code-font =  "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
+$code-font = "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
 
 // font sizes
 $body-font-size = 15px