diff --git a/packages/example-nextjs14/public/heatmap.js b/packages/example-nextjs14/public/heatmap.js
new file mode 100644
index 0000000..f639b26
--- /dev/null
+++ b/packages/example-nextjs14/public/heatmap.js
@@ -0,0 +1 @@
+ (function(add, cla){window['UserHeatTag'] = cla;window[cla]=window[cla]||function(){(window[cla].q = window[cla].q || []).push(arguments)},window[cla].l=1*new Date();var ul=document.createElement('script');var tag = document.getElementsByTagName('script')[0];ul.async=1;ul.src=add;tag.parentNode.insertBefore(ul,tag);})('//uh.nakanohito.jp/uhj2/uh.js', '_uhtracker');_uhtracker({id:'uhc7NMahnU'});
diff --git a/packages/example-nextjs14/src/app/layout.tsx b/packages/example-nextjs14/src/app/layout.tsx
index 2e9ee5e..bd70502 100644
--- a/packages/example-nextjs14/src/app/layout.tsx
+++ b/packages/example-nextjs14/src/app/layout.tsx
@@ -26,6 +26,7 @@ export default async function RootLayout({
{isVercel && }
+ {isProd && }
{children}