From a5662cd586605b53e6541ef41b8e2a92d8be9594 Mon Sep 17 00:00:00 2001
From: bfyes <2243301828@qq.com>
Date: Mon, 17 Aug 2026 02:00:03 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20MathJax=20=E5=9C=A8=E9=A1=B5=E9=9D=A2?=
 =?UTF-8?q?=E5=88=87=E6=8D=A2=E5=92=8C=E9=83=A8=E5=88=86=E5=88=9D=E6=AC=A1?=
 =?UTF-8?q?=E5=8A=A0=E8=BD=BD=E5=AF=BC=E8=87=B4=E7=9A=84=E5=8F=B3=E9=94=AE?=
 =?UTF-8?q?=E8=8F=9C=E5=8D=95=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/javascripts/mathjax.js | 22 ++++++++++++++++------
 zensical.toml               |  1 -
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/docs/javascripts/mathjax.js b/docs/javascripts/mathjax.js
index 5209b3c1..172d332b 100644
--- a/docs/javascripts/mathjax.js
+++ b/docs/javascripts/mathjax.js
@@ -1,4 +1,4 @@
-window.MathJax = {
+var MATHJAX_CONFIG = {
   tex: {
     inlineMath: [["\\(", "\\)"]],
     displayMath: [["\\[", "\\]"]],
@@ -11,9 +11,19 @@ window.MathJax = {
   },
 };
 
-document$.subscribe(() => {
-  MathJax.startup.output.clearCache();
-  MathJax.typesetClear();
-  MathJax.texReset();
-  MathJax.typesetPromise();
+// 此处深拷贝原因：MathJax 加载后向 window.MathJax 上挂内部属性，复用会导致第二次加载跳过初始化
+function mathjaxConfig() {
+  return JSON.parse(JSON.stringify(MATHJAX_CONFIG));
+}
+
+window.MathJax = mathjaxConfig();
+
+// navigation.instant 下每次切页重新加载 MathJax，重建菜单状态
+document$.subscribe(function () {
+  window.MathJax = mathjaxConfig();
+  var existing = document.querySelector('script[src*="mathjax"]');
+  if (existing) existing.remove();
+  var script = document.createElement("script");
+  script.src = "https://cdn.jsdelivr.net/npm/mathjax/es5/tex-mml-chtml.js";
+  document.head.appendChild(script);
 });
diff --git a/zensical.toml b/zensical.toml
index 95297db0..c6bc2331 100644
--- a/zensical.toml
+++ b/zensical.toml
@@ -44,7 +44,6 @@ extra_css = [
 extra_javascript = [
     "javascripts/mathjax.js",
     "https://cdn.jsdelivr.net/npm/polyfill/index.min.js",
-    "https://cdn.jsdelivr.net/npm/mathjax/es5/tex-mml-chtml.js",
     "https://cdn.jsdelivr.net/npm/tablesort/dist/tablesort.min.js",
     "javascripts/tablesort.js",
     "javascripts/v86-init.js",