diff --git a/assets/css/_page/_single.scss b/assets/css/_page/_single.scss
index 0449e09a..c7f544b7 100644
--- a/assets/css/_page/_single.scss
+++ b/assets/css/_page/_single.scss
@@ -511,6 +511,17 @@
       max-width: 100%;
       overflow-x: auto;
       overflow-y: hidden;
+
+      // fix the color of xypic diagrams
+      mjx-xypic {
+        g {
+          stroke: currentColor !important;
+        }
+        mjx-xypic-object {
+          color: currentColor !important;
+          fill: currentColor !important;
+        }
+      }
     }
 
     @import '../_partials/_single/alert';
diff --git a/layouts/_partials/assets.html b/layouts/_partials/assets.html
index 43957fad..87aa69b6 100644
--- a/layouts/_partials/assets.html
+++ b/layouts/_partials/assets.html
@@ -324,7 +324,7 @@ FixIt theme assets partial
   {{- if not hugo.IsProduction -}}
     {{- $options = dict "sourceMap" "external" | merge $options -}}
   {{- end -}}
-  {{- dict "Source" (resources.Get "js/lib/mathjax.js") "Build" $options "Fingerprint" $fingerprint "Async" true "Defer" true | dict "Page" . "Data" | partial "store/script.html" -}}
+  {{- dict "Source" (resources.Get "js/lib/mathjax.js") "Build" $options "Fingerprint" $fingerprint "Defer" true | dict "Page" . "Data" | partial "store/script.html" -}}
 {{- end -}}
 
 {{- /* Mermaid plugin */ -}}
diff --git a/layouts/_partials/init/index.html b/layouts/_partials/init/index.html
index 0cd49960..b8036cfb 100644
--- a/layouts/_partials/init/index.html
+++ b/layouts/_partials/init/index.html
@@ -1,4 +1,4 @@
-{{- hugo.Store.Set "version" "v0.4.0-alpha.2-20250916043850-a228cce0" -}}
+{{- hugo.Store.Set "version" "v0.4.0-alpha.2-20250919092044-50488dfb" -}}
 {{- .Store.Set "this" dict -}}
 
 {{- partial "init/detection-env.html" . -}}