diff --git a/content/post/2025-07-19-zine-migration.smd b/content/post/2025-07-19-zine-migration.smd
index 1fe00cf..23ebfa3 100644
--- a/content/post/2025-07-19-zine-migration.smd
+++ b/content/post/2025-07-19-zine-migration.smd
@@ -170,18 +170,21 @@ Zine 布局有几个关键特性：
 // file: layouts/post.shtml
 <ctx :if="$page.custom.getOr('math', false)">
   <link
-    href="https://registry.npmmirror.com/katex/0.16.27/files/dist/katex.min.css"
+    href="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/katex.min.css"
+    integrity="sha512-g1pxMKWnqCJA5bTMwnw0Xwe0KQAfnj47+1pB0oISMqVFjm8Bg1vA3RENj+iGunE9j4zDLPWbau7jirWwJyshdQ=="
     crossorigin="anonymous"
     rel="stylesheet"
   />
   <script
     defer
-    src="https://registry.npmmirror.com/katex/0.16.27/files/dist/katex.min.js"
+    src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/katex.min.js"
+    integrity="sha512-iegr9Cbvw50rG0agCU/1HUJ0w5GflT+Lsk2SRI1jOjEC15RRgJW9vMLDFxIF3mBxoIDIS41fnENNuSZD+WhIOA=="
     crossorigin="anonymous"
   ></script>
   <script
     defer
-    src="https://registry.npmmirror.com/katex/0.16.27/files/dist/contrib/auto-render.min.js"
+    src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/contrib/auto-render.min.js"
+    integrity="sha512-ZA/RPrAo88DlwRnnoNVqKINnQNcWERzRK03PDaA4GIJiVZvGFIWQbdWCsUebMZfkWohnfngsDjXzU6PokO4jGw=="
     crossorigin="anonymous"
     onload="renderMathInElement(document.body);"
   ></script>
diff --git a/layouts/post.shtml b/layouts/post.shtml
index f4abe2b..af26f52 100644
--- a/layouts/post.shtml
+++ b/layouts/post.shtml
@@ -1,16 +1,17 @@
 <extend template="content.shtml">
 <head id="head">
   <ctx :if="$page.custom.getOr('math', false)">
-    <link href="https://cdn.bootcdn.net/ajax/libs/KaTeX/0.15.2/katex.min.css" crossorigin="anonymous" rel="stylesheet">
+    <link href="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/katex.min.css" integrity="sha512-g1pxMKWnqCJA5bTMwnw0Xwe0KQAfnj47+1pB0oISMqVFjm8Bg1vA3RENj+iGunE9j4zDLPWbau7jirWwJyshdQ==" crossorigin="anonymous" rel="stylesheet">
     <script
       defer
-      src="https://cdn.bootcdn.net/ajax/libs/KaTeX/0.15.2/katex.min.js"
+      src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/katex.min.js"
+      integrity="sha512-iegr9Cbvw50rG0agCU/1HUJ0w5GflT+Lsk2SRI1jOjEC15RRgJW9vMLDFxIF3mBxoIDIS41fnENNuSZD+WhIOA=="
       crossorigin="anonymous"
     ></script>
-    <script defer src="https://cdn.bootcdn.net/ajax/libs/KaTeX/0.15.2/contrib/auto-render.min.js" crossorigin="anonymous" onload="renderMathInElement(document.body);"></script>
+    <script defer src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/KaTeX/0.15.2/contrib/auto-render.min.js" integrity="sha512-ZA/RPrAo88DlwRnnoNVqKINnQNcWERzRK03PDaA4GIJiVZvGFIWQbdWCsUebMZfkWohnfngsDjXzU6PokO4jGw==" crossorigin="anonymous" onload="renderMathInElement(document.body);"></script>
   </ctx>
   <ctx :if="$page.custom.getOr('mermaid', false)">
-    <script defer src="https://cdn.bootcdn.net/ajax/libs/mermaid/8.14.0/mermaid.min.js" onload="mermaid.initialize({startOnLoad:true});"></script>
+    <script defer src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/mermaid/8.14.0/mermaid.min.js" integrity="sha512-vLumCjg7NKEQKGM+xAgBYTvQ90DVu6Eo7vS1T/iPf2feNLcrpGxvumuUUmE3CPiCUPgviyKbtpWGDbhnVnmJxg==" onload="mermaid.initialize({startOnLoad:true});"></script>
   </ctx>
 </head>
 <body id="body">
