diff --git a/src/manifest.json b/src/manifest.json
index d687af3..25d09de 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -27,7 +27,8 @@
       "32": "icon/book-download-32.png",
       "64": "icon/book-download-64.png"
     },
-    "default_title": "Hunt Safari Online"
+    "default_title": "Hunt Safari Online",
+    "default_popup": "popup.html"
   },
 
   "background": {
diff --git a/src/popup.html b/src/popup.html
index b7114d9..cc60735 100644
--- a/src/popup.html
+++ b/src/popup.html
@@ -2,6 +2,9 @@
 <html lang="en">
   <head>
     <meta charset="utf-8">
-    <script type="module" src="safarihunt.js"></script>
+    <script type="module" src="popup.js"></script>
   </head>
+  <body>
+    Popup.
+  </body>
 </html>
\ No newline at end of file
