diff --git a/templates/template/main.js b/templates/template/main.js
index ed9eae5..d050f48 100644
--- a/templates/template/main.js
+++ b/templates/template/main.js
@@ -1 +1,2 @@
-// sum.test.js をご参照ください
+// https://kou029w.github.io/jest-hands-on/ をご参照ください
+window.document.location.href = "https://kou029w.github.io/jest-hands-on/";