diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index 11d38cbe..f5e3a25e 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -260,7 +260,10 @@ const config: Config = {
       },
     },
   ],
-  stylesheets: ['https://cdn.jsdelivr.net/npm/misans@4.0.0/lib/Normal/MiSans-Normal.min.css'],
+  stylesheets: [
+    'https://cdn.jsdelivr.net/npm/misans@4.0.0/lib/Normal/MiSans-Normal.min.css',
+    'https://cdn.jsdelivr.net/npm/misans@4.0.0/lib/Normal/MiSans-Semibold.min.css',
+  ],
   i18n: {
     defaultLocale: 'zh-CN',
     locales: ['en', 'zh-CN'],
diff --git a/src/css/custom.scss b/src/css/custom.scss
index 55c1f0ee..b804d6b7 100644
--- a/src/css/custom.scss
+++ b/src/css/custom.scss
@@ -37,6 +37,7 @@
 
   --ifm-heading-color: hsl(214deg 78% 17%);
   --ifm-heading-font-weight: 500;
+  --ifm-font-weight-bold: 520;
   --ifm-toc-border-color: #f1f5f9;
 
   --content-background-color: #f8fafc;