diff --git a/404.html b/404.html
index 65d1e9b..f217ac1 100644
--- a/404.html
+++ b/404.html
@@ -49,9 +49,9 @@
   <a href="javascript:err()"> 404</a>
   <br><br>
   <h2> nuo-router : front-end routing 404.html</h2>
-   <script src="./src/nuo-router.js"></script>
-    <script src="./src/router.js"></script>
- <script>
+  <script src="./src/nuo-router.js"></script>
+  <script src="./src/router.js"></script>
+  <script>
     function uniqueModulus(mod) {
     let aiueo = "aiueo";
     let bcdfg = "bcdfghjklmnpqrstvwxy";
@@ -75,7 +75,7 @@ <h2> nuo-router : front-end routing 404.html</h2>
         let randomName = getRandomName('',5)
         nuo.to('./'+randomName, {color})
     }
- </script>
+   </script>
 </body>
 
 </html>