diff --git a/src/main/java/org/websoso/WSSServer/WssServerApplication.java b/src/main/java/org/websoso/WSSServer/WssServerApplication.java
index 1df1f21b..963cbf35 100644
--- a/src/main/java/org/websoso/WSSServer/WssServerApplication.java
+++ b/src/main/java/org/websoso/WSSServer/WssServerApplication.java
@@ -4,8 +4,10 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.data.redis.core.RedisKeyValueAdapter;
 import org.springframework.data.redis.repository.configuration.EnableRedisRepositories;
+import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
+@EnableAsync
 @EnableScheduling
 @EnableRedisRepositories(enableKeyspaceEvents = RedisKeyValueAdapter.EnableKeyspaceEvents.ON_STARTUP)
 @SpringBootApplication
diff --git a/src/main/java/org/websoso/WSSServer/notification/FCMService.java b/src/main/java/org/websoso/WSSServer/notification/FCMService.java
index 2e2c5b2b..a975ceed 100644
--- a/src/main/java/org/websoso/WSSServer/notification/FCMService.java
+++ b/src/main/java/org/websoso/WSSServer/notification/FCMService.java
@@ -12,12 +12,14 @@
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 import org.websoso.WSSServer.notification.dto.FCMMessageRequest;
 
 @Slf4j
 @Service
 @RequiredArgsConstructor
+@Async
 public class FCMService {
 
     private final FirebaseMessaging firebaseMessaging;