diff --git a/src/main/java/hyundai/softeer/orange/event/fcfs/scheduler/FcfsScheduler.java b/src/main/java/hyundai/softeer/orange/event/fcfs/scheduler/FcfsScheduler.java
index 646b0f30..0b32dca2 100644
--- a/src/main/java/hyundai/softeer/orange/event/fcfs/scheduler/FcfsScheduler.java
+++ b/src/main/java/hyundai/softeer/orange/event/fcfs/scheduler/FcfsScheduler.java
@@ -6,6 +6,8 @@
 import lombok.RequiredArgsConstructor;
 import org.redisson.api.RLock;
 import org.redisson.api.RedissonClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
@@ -15,6 +17,7 @@
 @Component
 public class FcfsScheduler {
 
+    private static final Logger log = LoggerFactory.getLogger(FcfsScheduler.class);
     // 분산 환경에서 메서드가 여러 번 실행되는 것을 방지하기 위해 분산 락 도입
     private final RedissonClient redissonClient;
     private final FcfsManageService fcfsManageService;
@@ -22,6 +25,7 @@ public class FcfsScheduler {
     // 매일 자정 1분마다 실행되며, 오늘의 선착순 이벤트에 대한 정보를 DB에서 Redis로 이동시킨다.
     @Scheduled(cron = "0 1 0 * * *")
     public void registerFcfsEvents() {
+        log.info("Move the information of FCFS Events from DB to Redis");
         RLock lock = redissonClient.getLock(ConstantUtil.DB_TO_REDIS_LOCK);
         try {
             // 5분동안 락 점유
@@ -40,6 +44,7 @@ public void registerFcfsEvents() {
     // 매일 자정마다 실행되며, 선착순 이벤트 당첨자들을 Redis에서 DB로 이동시킨다.
     @Scheduled(cron = "0 0 0 * * *")
     public void registerWinners() {
+        log.info("Move the result of FCFS Events from Redis to DB");
         RLock lock = redissonClient.getLock(ConstantUtil.REDIS_TO_DB_LOCK);
         try {
             // 5분동안 락 점유
diff --git a/src/main/java/hyundai/softeer/orange/event/fcfs/service/FcfsManageService.java b/src/main/java/hyundai/softeer/orange/event/fcfs/service/FcfsManageService.java
index 101a7e3f..9051cdc5 100644
--- a/src/main/java/hyundai/softeer/orange/event/fcfs/service/FcfsManageService.java
+++ b/src/main/java/hyundai/softeer/orange/event/fcfs/service/FcfsManageService.java
@@ -49,38 +49,44 @@ public void registerFcfsEvents() {
     // redis에 저장된 모든 선착순 이벤트의 당첨자 정보를 DB로 이관
     @Transactional
     public void registerWinners() {
-        Set<String> fcfsIds = stringRedisTemplate.keys("*:count");
-        if (fcfsIds == null || fcfsIds.isEmpty()) {
+        Set<String> fcfsKeys = stringRedisTemplate.keys("*:count");
+        if (fcfsKeys == null || fcfsKeys.isEmpty()) {
+            log.info("There are no FCFS events in yesterday");
             return;
         }
 
-        for(String fcfsId : fcfsIds) {
-            String eventId = fcfsId.replace(":count", "").replace("fcfs:", "");
-            Set<String> userIds = stringRedisTemplate.opsForZSet().range(FcfsUtil.winnerFormatting(eventId), 0, -1);
+        // 당첨자 관련 정보 조합하여 Entity 생성
+        log.info("keys for FCFS Events: {}", fcfsKeys);
+        for(String key : fcfsKeys) {
+            String fcfsEventId = key.replace(":count", "").replace("fcfs:", "");
+            Set<String> userIds = stringRedisTemplate.opsForZSet().range(FcfsUtil.winnerFormatting(fcfsEventId), 0, -1);
             if(userIds == null || userIds.isEmpty()) {
-                return;
+                log.info("No winners in FCFS Event {}", fcfsEventId);
+                continue;
             }
 
-            FcfsEvent event = fcfsEventRepository.findById(Long.parseLong(eventId))
+            FcfsEvent event = fcfsEventRepository.findById(Long.parseLong(fcfsEventId))
                     .orElseThrow(() -> new FcfsEventException(ErrorCode.FCFS_EVENT_NOT_FOUND));
 
             List<EventUser> users = eventUserRepository.findAllByUserId(userIds.stream().toList());
             List<FcfsEventWinningInfo> winningInfos = users
                     .stream()
-                    .map(user -> FcfsEventWinningInfo.of(event, user, getTimeFromScore(stringRedisTemplate.opsForZSet().score(FcfsUtil.winnerFormatting(eventId), user.getUserId()))))
+                    .map(user -> FcfsEventWinningInfo.of(event, user, getTimeFromScore(stringRedisTemplate.opsForZSet().score(FcfsUtil.winnerFormatting(fcfsEventId), user.getUserId()))))
                     .toList();
 
+            log.info("Winners of FCFS event {} were registered in DB", fcfsEventId);
             fcfsEventWinningInfoRepository.saveAll(winningInfos);
-            deleteEventInfo(eventId);
+            deleteEventInfo(fcfsEventId);
         }
 
+        // PK를 간접적으로 보관하던 eventId 제거
         Set<String> eventIds = stringRedisTemplate.keys("*:eventId");
         if(eventIds != null && !eventIds.isEmpty()) {
             for(String eventId : eventIds) {
                 stringRedisTemplate.delete(eventId);
             }
         }
-        log.info("Winners of all FCFS events were registered in DB");
+        log.info("Registering winners of FCFS events in DB is completed");
     }
 
     // 특정 선착순 이벤트의 정보 조회