diff --git a/package.json b/package.json
index 82ee1e2..8935881 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@lucide/astro": "^1.27.0",
     "astro": "^7.2.0",
     "hast-util-to-html": "^9.0.5",
-    "katex": "^0.18.1",
+    "katex": "^0.16.47",
     "mdast-util-from-markdown": "^2.0.2",
     "mdast-util-gfm": "^3.1.0",
     "mdast-util-to-hast": "^13.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3d106c1..447c783 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,8 +27,8 @@ importers:
         specifier: ^9.0.5
         version: 9.0.5
       katex:
-        specifier: ^0.18.1
-        version: 0.18.1
+        specifier: ^0.16.47
+        version: 0.16.47
       mdast-util-from-markdown:
         specifier: ^2.0.2
         version: 2.0.3
@@ -1654,10 +1654,6 @@ packages:
     resolution: {integrity: sha512-Eeo8Ys1doU1z+x8AZsPpQu+p/QcZBI5PeOo7QGQdy2x2m0MU/hYagBbGOmXwr5KVbEfVuWv9LpnQWeehogurjg==}
     hasBin: true
 
-  katex@0.18.1:
-    resolution: {integrity: sha512-Td8GCYSxDAoMhHOlKmCFMJ/hz5qlAAb71n66Dryw9nfCVfumLo7nhuotbvKom/XPADmrYC3O5QR71EPq4DarJQ==}
-    hasBin: true
-
   khroma@2.1.0:
     resolution: {integrity: sha512-Ls993zuzfayK269Svk9hzpeGUKob/sIgZzyHYdjQoAdQetRKpOLj+k/QQQ/6Qi0Yz65mlROrfd+Ev+1+7dz9Kw==}
 
@@ -4273,10 +4269,6 @@ snapshots:
     dependencies:
       commander: 8.3.0
 
-  katex@0.18.1:
-    dependencies:
-      commander: 8.3.0
-
   khroma@2.1.0: {}
 
   kleur@4.1.5: {}
diff --git a/src/layouts/BaseLayout.astro b/src/layouts/BaseLayout.astro
index b18ef18..17615bf 100644
--- a/src/layouts/BaseLayout.astro
+++ b/src/layouts/BaseLayout.astro
@@ -30,7 +30,7 @@ const { title, description, image, type, noindex, math, navbarOverlay = false, h
     {siteConfig.comments.provider === 'twikoo' && <link rel="stylesheet" href="https://registry.npmmirror.com/twikoo/1.7.15/files/dist/twikoo.css" data-twikoo-styles transition:persist="twikoo-styles" />}
     <SeoHead title={title} description={description} image={image} type={type} noindex={noindex} />
     {siteConfig.pjax.enabled && <ClientRouter />}
-    {math && <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.18.1/dist/katex.min.css" />}
+    {math && <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.47/dist/katex.min.css" />}
     <script is:inline set:html={appearanceScript}></script>
   </head>
   <body