diff --git a/src/main/java/com/oya/kr/chat/config/FCMInitializer.java b/src/main/java/com/oya/kr/chat/config/FCMInitializer.java
index 40d30b0..1162bc2 100644
--- a/src/main/java/com/oya/kr/chat/config/FCMInitializer.java
+++ b/src/main/java/com/oya/kr/chat/config/FCMInitializer.java
@@ -4,7 +4,12 @@
 
 import javax.annotation.PostConstruct;
 
-import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.core.io.support.ResourcePatternResolver;
+import org.springframework.core.io.DefaultResourceLoader;
+
 import org.springframework.stereotype.Service;
 
 import com.google.auth.oauth2.GoogleCredentials;
@@ -21,7 +26,6 @@
 @Slf4j
 public class FCMInitializer {
 
-	private static final String FIREBASE_CONFIG_PATH = "firebase.json";
 	private static boolean initialized = false;
 
 	/**
@@ -31,23 +35,37 @@ public class FCMInitializer {
 	 * @since 2024.03.07
 	 */
 	@PostConstruct
-	public void initialize() {
+	public void initialize() throws IOException {
 		if (!initialized) {
-			try {
-				GoogleCredentials googleCredentials = GoogleCredentials
-					.fromStream(new ClassPathResource(FIREBASE_CONFIG_PATH).getInputStream());
-				FirebaseOptions options = new FirebaseOptions.Builder()
-					.setCredentials(googleCredentials)
-					.build();
-				FirebaseApp.initializeApp(options);
-				initialized = true;
-				log.info("FCM 성공");
-			} catch (IOException e) {
-				log.info("FCM 오류");
-				log.error("FCM 오류 메시지: " + e.getMessage());
+
+			Resource[] resources = new PathMatchingResourcePatternResolver(new DefaultResourceLoader())
+				.getResources("classpath*:firebase.json");
+
+			if (resources.length > 0) {
+				Resource resource = resources[0];
+				if (!initialized) {
+					try {
+						GoogleCredentials googleCredentials = GoogleCredentials.fromStream(resource.getInputStream());
+						FirebaseOptions options = new FirebaseOptions.Builder()
+							.setCredentials(googleCredentials)
+							.build();
+						FirebaseApp.initializeApp(options);
+						initialized = true;
+						log.info("FCM 성공");
+					} catch (IOException e) {
+						log.info("FCM 오류");
+						log.error("FCM 오류 메시지: " + e.getMessage());
+					}
+				} else {
+					log.warn("FirebaseApp 이름 [DEFAULT]으로 초기화된 앱이 이미 존재합니다.");
+				}
+			} else {
+				// 리소스를 찾을 수 없을 때의 처리 로직
+				log.error("Resource not found: firebase.json");
 			}
 		} else {
 			log.warn("FirebaseApp 이름 [DEFAULT]으로 초기화된 앱이 이미 존재합니다.");
 		}
 	}
+
 }