diff --git a/_config.yml b/_config.yml
index 24aa789..5c58789 100755
--- a/_config.yml
+++ b/_config.yml
@@ -420,7 +420,7 @@ plugins:
   # 需在Markdown文件开头加入mathjax: true
   # 推荐使用Pandoc: npm uninstall hexo-renderer-marked --save & npm install hexo-renderer-pandoc --save
   mathjax:
-    # set <mathjax: true> to enable in page's front-matter
+    enable: # true # 可以在特定文章的 front-matter 中设置 mathjax: true 来开启，也可以在这里设置全局开启
     js: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.6/MathJax.js?config=TeX-AMS-MML_HTMLorMML
 
   # Katex - The fastest math typesetting library for the web
@@ -428,7 +428,7 @@ plugins:
   # https://github.com/KaTeX/KaTeX
   # 使用 hexo-renderer-markdown-it-plus 作为公式渲染器：npm uninstall hexo-renderer-marked --save npm install hexo-renderer-markdown-it-plus --save
   katex:
-    # set <katex: true> to enable in page's front-matter
+    enable: # true # 可以在特定文章的 front-matter 中设置 katex: true 来开启，也可以在这里设置全局开启
     min_css: <link rel="stylesheet" href="https://gcore.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css" integrity="sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0" crossorigin="anonymous">
     min_js: <script defer src="https://gcore.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js" integrity="sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4" crossorigin="anonymous"></script>
     auto_render_min_js: <script defer src="https://gcore.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js" integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05" crossorigin="anonymous"onload="renderMathInElement(document.body);"></script>
@@ -443,7 +443,7 @@ plugins:
   #   B -->|option 2| C(Section C)
   # ```
   mermaid:
-    # set <mermaid: true> to enable in page's front-matter
+    enable: # true # 可以在特定文章的 front-matter 中设置 mermaid: true 来开启，也可以在这里设置全局开启
     style_optimization: false # use custom style in stellar
     # js: https://unpkg.com/mermaid@9.0.0/dist/mermaid.min.js
     js: https://cdn.jsdelivr.net/npm/mermaid@v9/dist/mermaid.min.js
diff --git a/layout/_partial/plugins/parser/head.ejs b/layout/_partial/plugins/parser/head.ejs
index 77aca89..667c838 100644
--- a/layout/_partial/plugins/parser/head.ejs
+++ b/layout/_partial/plugins/parser/head.ejs
@@ -1,3 +1,3 @@
-<% if (page.katex == true) { %>
+<% if (page.katex == true || theme.plugins.katex.enable == true) { %>
   <%- partial('katex/head') %>
 <% } %>
\ No newline at end of file
diff --git a/layout/_partial/plugins/parser/script.ejs b/layout/_partial/plugins/parser/script.ejs
index b30bf39..3f112d5 100644
--- a/layout/_partial/plugins/parser/script.ejs
+++ b/layout/_partial/plugins/parser/script.ejs
@@ -1,9 +1,9 @@
-<% if (page.katex == true) { %>
+<% if (page.katex == true || theme.plugins.katex.enable) { %>
   <%- partial('katex/script') %>
 <% } %>
-<% if (page.mathjax == true) { %>
+<% if (page.mathjax == true || theme.plugins.mathjax.enable) { %>
   <%- partial('mathjax/script') %>
 <% } %>
-<% if (page.mermaid == true) { %>
+<% if (page.mermaid == true || theme.plugins.mermaid.enable) { %>
   <%- partial('mermaid/script') %>
 <% } %>
\ No newline at end of file