diff --git a/_config.yml b/_config.yml
index 3e94dac..aeb1731 100644
--- a/_config.yml
+++ b/_config.yml
@@ -495,10 +495,10 @@ baidu_push: false
 # See: https://theme-next.js.org/docs/third-party-services/math-equations
 # Server-side plugin: https://github.com/next-theme/hexo-filter-mathjax
 math:
-  # Default (true) will load mathjax / katex script on demand.
+  # Default (false) will load mathjax / katex script on demand.
   # That is it only render those page which has `mathjax: true` in Front-matter.
-  # If you set it to false, it will load mathjax / katex srcipt EVERY PAGE.
-  per_page: true
+  # If you set it to true, it will load mathjax / katex srcipt EVERY PAGE.
+  every_page: false
 
   mathjax:
     enable: false
diff --git a/layout/_third-party/math/index.njk b/layout/_third-party/math/index.njk
index e93f235..14a72e1 100644
--- a/layout/_third-party/math/index.njk
+++ b/layout/_third-party/math/index.njk
@@ -2,7 +2,7 @@
   {%- set is_index_has_math = false %}
 
   {# At home, check if there has `mathjax: true` post #}
-  {%- if is_home() and theme.math.per_page %}
+  {%- if is_home() and not theme.math.every_page %}
     {%- for post in page.posts.toArray() %}
       {%- if post.mathjax and not is_index_has_math %}
         {%- set is_index_has_math = true %}
@@ -10,7 +10,7 @@
     {%- endfor %}
   {%- endif %}
 
-  {%- if not theme.math.per_page or is_index_has_math or page.mathjax %}
+  {%- if theme.math.every_page or is_index_has_math or page.mathjax %}
     {%- if theme.math.mathjax.enable %}
       {% include '_third-party/math/mathjax.njk' %}
     {% elif theme.math.katex.enable %}