diff --git a/docutranslate/__init__.py b/docutranslate/__init__.py
index 2232bbb..3192e33 100644
--- a/docutranslate/__init__.py
+++ b/docutranslate/__init__.py
@@ -1 +1 @@
-__version__="1.2.0"
\ No newline at end of file
+__version__="1.2.1"
\ No newline at end of file
diff --git a/docutranslate/exporter/md/md2html_exporter.py b/docutranslate/exporter/md/md2html_exporter.py
index f45437f..3345a05 100644
--- a/docutranslate/exporter/md/md2html_exporter.py
+++ b/docutranslate/exporter/md/md2html_exporter.py
@@ -24,9 +24,9 @@ class MD2HTMLExporter(MDExporter):
         # language=html
         pico = f'<style>{resource_path("static/pico.css").read_text(encoding="utf-8")}</style>' if not cdn else r'<link rel="stylesheet" href="https://s4.zstatic.net/ajax/libs/picocss/2.1.1/pico.min.css" integrity="sha512-+4kjFgVD0n6H3xt19Ox84B56MoS7srFn60tgdWFuO4hemtjhySKyW4LnftYZn46k3THUEiTTsbVjrHai+0MOFw==" crossorigin="anonymous" referrerpolicy="no-referrer" />'
         html_template = resource_path("template/markdown.html").read_text(encoding="utf-8")
-        katex_css = f'<style>{resource_path("static/katex.css").read_text(encoding="utf-8")}</style>' if not cdn else r"""<link rel="stylesheet" href="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/katex.min.css" integrity="sha512-fHwaWebuwA7NSF5Qg/af4UeDx9XqUpYpOGgubo3yWu+b2IQR4UeQwbb42Ti7gVAjNtVoI/I9TEoYeu9omwcC6g==" crossorigin="anonymous" referrerpolicy="no-referrer" />"""
-        katex_js = f'<script>{resource_path("static/katex.js").read_text(encoding="utf-8")}</script>' if not cdn else r"""<script defer src="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/katex.min.js" integrity="sha512-LQNxIMR5rXv7o+b1l8+N1EZMfhG7iFZ9HhnbJkTp4zjNr5Wvst75AqUeFDxeRUa7l5vEDyUiAip//r+EFLLCyA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>"""
-        auto_render = f'<script>{resource_path("static/autoRender.js").read_text(encoding="utf-8")}</script>' if not cdn else r"""<script defer src="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/contrib/auto-render.min.js" integrity="sha512-iWiuBS5nt6r60fCz26Nd0Zqe0nbk1ZTIQbl3Kv7kYsX+yKMUFHzjaH2+AnM6vp2Xs+gNmaBAVWJjSmuPw76Efg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>"""
+        katex_css = f'<link rel="stylesheet" href="/static/kateX/katex.css"/>' if not cdn else r"""<link rel="stylesheet" href="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/katex.min.css" integrity="sha512-fHwaWebuwA7NSF5Qg/af4UeDx9XqUpYpOGgubo3yWu+b2IQR4UeQwbb42Ti7gVAjNtVoI/I9TEoYeu9omwcC6g==" crossorigin="anonymous" referrerpolicy="no-referrer" />"""
+        katex_js = f'<script src="/static/katex/katex.js"></script>' if not cdn else r"""<script src="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/katex.min.js" integrity="sha512-LQNxIMR5rXv7o+b1l8+N1EZMfhG7iFZ9HhnbJkTp4zjNr5Wvst75AqUeFDxeRUa7l5vEDyUiAip//r+EFLLCyA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>"""
+        auto_render = f'<script>{resource_path("static/autoRender.js").read_text(encoding="utf-8")}</script>' if not cdn else r"""<script src="https://s4.zstatic.net/ajax/libs/KaTeX/0.16.9/contrib/auto-render.min.js" integrity="sha512-iWiuBS5nt6r60fCz26Nd0Zqe0nbk1ZTIQbl3Kv7kYsX+yKMUFHzjaH2+AnM6vp2Xs+gNmaBAVWJjSmuPw76Efg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>"""
         # language=javascript
         render_math_in_element = r"""
                                  <script>
diff --git a/docutranslate/static/autoRender.js b/docutranslate/static/autoRender.js
index 919a389..129d532 100644
--- a/docutranslate/static/autoRender.js
+++ b/docutranslate/static/autoRender.js
@@ -1,5 +1,5 @@
 !function (e, t) {
-    "object" == typeof exports && "object" == typeof module ? module.exports = t(require("katex")) : "function" == typeof define && define.amd ? define(["katex"], t) : "object" == typeof exports ? exports.renderMathInElement = t(require("katex")) : e.renderMathInElement = t(e.katex)
+    "object" == typeof exports && "object" == typeof module ? module.exports = t(require("docutranslate/static/katex/katex")) : "function" == typeof define && define.amd ? define(["docutranslate/static/katex/katex"], t) : "object" == typeof exports ? exports.renderMathInElement = t(require("docutranslate/static/katex/katex")) : e.renderMathInElement = t(e.katex)
 }("undefined" != typeof self ? self : this, (function (e) {
     return function () {
         "use strict";
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diff --git a/更新日志.txt b/更新日志.txt
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 更新日志
 ----------------------------------------
-v1.2.0版 2025.8.20
+v1.2.1版 2025.8.20
 特性
 - 支持 mineruVLM模型
 优化
 - 新的markdown分块/合并实现
+- 内置katex特殊字体
 ----------------------------------------
 v1.1.6版 2025.8.18
 特性