diff --git a/_config.yml b/_config.yml
index 4ac2939..4b7101b 100755
--- a/_config.yml
+++ b/_config.yml
@@ -326,9 +326,9 @@ style:
   smooth_scroll: true # true / false
   font-size: 16px
   font-family:
-    logo: system-ui, "Microsoft Yahei", "Segoe UI", -apple-system, Roboto, Ubuntu, "Helvetica Neue", Arial, "WenQuanYi Micro Hei", sans-serif
-    body: system-ui, "Microsoft Yahei", "Segoe UI", -apple-system, Roboto, Ubuntu, "Helvetica Neue", Arial, "WenQuanYi Micro Hei", sans-serif
-    code: Menlo, Monaco, Consolas, system-ui, "Courier New", monospace, sans-serif
+    logo: 'system-ui, "Microsoft Yahei", "Segoe UI", -apple-system, Roboto, Ubuntu, "Helvetica Neue", Arial, "WenQuanYi Micro Hei", sans-serif'
+    body: 'system-ui, "Microsoft Yahei", "Segoe UI", -apple-system, Roboto, Ubuntu, "Helvetica Neue", Arial, "WenQuanYi Micro Hei", sans-serif'
+    code: 'Menlo, Monaco, Consolas, system-ui, "Courier New", monospace, sans-serif'
   color:
     common:
       theme: '#1BCDFC' # 主题色