diff --git a/next.config.js b/next.config.js
index 6b46da8f5..774aff93e 100644
--- a/next.config.js
+++ b/next.config.js
@@ -6,11 +6,11 @@ const withBundleAnalyzer = require('@next/bundle-analyzer')({
const ContentSecurityPolicy = `
default-src 'self';
script-src 'self' 'unsafe-eval' 'unsafe-inline' giscus.app;
- style-src 'self' 'unsafe-inline' cdn.jsdelivr.net;
+ style-src 'self' 'unsafe-inline';
img-src * blob: data:;
media-src 'none';
connect-src *;
- font-src 'self' cdn.jsdelivr.net;
+ font-src 'self';
frame-src giscus.app
`
diff --git a/pages/_app.js b/pages/_app.js
index a32caaac7..f2394be42 100644
--- a/pages/_app.js
+++ b/pages/_app.js
@@ -1,5 +1,6 @@
import '@/css/tailwind.css'
import '@/css/prism.css'
+import 'katex/dist/katex.css'
import '@fontsource/inter/variable-full.css'
diff --git a/pages/_document.js b/pages/_document.js
index e53258e3a..d532ad9e8 100644
--- a/pages/_document.js
+++ b/pages/_document.js
@@ -22,12 +22,6 @@ class MyDocument extends Document {
-