diff --git a/public/manifest.json b/public/manifest.json
index 82e4024..efec34f 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -5,6 +5,7 @@
   "display": "standalone",
   "background_color": "#ffffff",
   "theme_color": "#000000",
+
   "icons": [
     {
       "src": "icons/icon-24x24.svg",
diff --git a/public/firebase-messaging-sw.js b/public/sw.js
similarity index 96%
rename from public/firebase-messaging-sw.js
rename to public/sw.js
index 5bf98f5..535a9c6 100644
--- a/public/firebase-messaging-sw.js
+++ b/public/sw.js
@@ -1,3 +1,4 @@
+// FCM SDK 로드
 importScripts(
   'https://www.gstatic.com/firebasejs/12.0.0/firebase-app-compat.js',
 );
@@ -5,6 +6,7 @@ importScripts(
   'https://www.gstatic.com/firebasejs/12.0.0/firebase-messaging-compat.js',
 );
 
+// Firebase 초기화
 firebase.initializeApp({
   apiKey: 'AIzaSyClSEPibfp07m4Qvjix1nJjzEwSEyOJK54',
   authDomain: 'alzheimerdinger-b9e53.firebaseapp.com',
diff --git a/src/hooks/useFCM.ts b/src/hooks/useFCM.ts
index 66c15ae..ce50582 100644
--- a/src/hooks/useFCM.ts
+++ b/src/hooks/useFCM.ts
@@ -10,7 +10,7 @@ export const useFCM = () => {
   useEffect(() => {
     // 서비스워커 등록
     navigator.serviceWorker
-      .register('/firebase-messaging-sw.js')
+      .register('/sw.js')
       .then(registration => {
         console.log('Service Worker registered:', registration);
 
diff --git a/src/utils/firebase.ts b/src/utils/firebase.ts
index c6bf02b..fd7491b 100644
--- a/src/utils/firebase.ts
+++ b/src/utils/firebase.ts
@@ -14,4 +14,4 @@ const firebaseConfig = {
 const app = initializeApp(firebaseConfig);
 const messaging = getMessaging(app);
 
-export { messaging };
+export { app, messaging };