diff --git a/_includes/head.html b/_includes/head.html
index c4c66d1..c57229b 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -23,22 +23,6 @@
 <!-- Font Awesome icons -->
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
 
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.8/dist/katex.min.css" integrity="sha384-GvrOXuhMATgEsSwCs4smul74iXGOixntILdUW9XmUC6+HX0sLNAK3q71HotJqlAn" crossorigin="anonymous">
-<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.8/dist/katex.min.js" integrity="sha384-cpW21h6RZv/phavutF+AuVYrr+dA8xD9zs6FwLpaCct6O9ctzYFfFr4dgmgccOTx" crossorigin="anonymous"></script>
-<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.8/dist/contrib/auto-render.min.js" integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05" crossorigin="anonymous"></script>
-<script>
-    document.addEventListener("DOMContentLoaded", function() {
-        renderMathInElement(document.body, {
-            delimiters: [
-                {left: '$$', right: '$$', display: true},
-                {left: '$', right: '$', display: false},
-                {left: '\\[', right: '\\]', display: true},
-                {left: '\\(', right: '\\)', display: false}
-            ],
-            throwOnError : false
-        });
-    });
-</script>
 
 <script>
     // 立即加载保存的主题