diff --git a/tracky-core/src/main/java/kernel360/trackycore/core/domain/entity/MonthlyStatisticEntity.java b/tracky-core/src/main/java/kernel360/trackycore/core/domain/entity/MonthlyStatisticEntity.java
index 232f7cc0..488dc279 100644
--- a/tracky-core/src/main/java/kernel360/trackycore/core/domain/entity/MonthlyStatisticEntity.java
+++ b/tracky-core/src/main/java/kernel360/trackycore/core/domain/entity/MonthlyStatisticEntity.java
@@ -94,8 +94,10 @@ public static MonthlyStatisticEntity create(
 		);
 	}
 
-	public void update(Integer totalCarCount, Integer nonOperatingCarCount, Double avgOperationRate, Long totalDriveSec,
+	public void update(LocalDate date, Integer totalCarCount, Integer nonOperatingCarCount, Double avgOperationRate,
+		Long totalDriveSec,
 		Integer totalDriveCount, Double totalDriveDistance) {
+		this.date = date;
 		this.totalCarCount = totalCarCount;
 		this.nonOperatingCarCount = nonOperatingCarCount;
 		this.avgOperationRate = avgOperationRate;
diff --git a/tracky-emulator/src/main/java/kernel360/trackyemulator/application/service/CarInstanceManager.java b/tracky-emulator/src/main/java/kernel360/trackyemulator/application/service/CarInstanceManager.java
index 23c021f7..29e22adc 100644
--- a/tracky-emulator/src/main/java/kernel360/trackyemulator/application/service/CarInstanceManager.java
+++ b/tracky-emulator/src/main/java/kernel360/trackyemulator/application/service/CarInstanceManager.java
@@ -37,6 +37,7 @@ public List<MdnBizResponse> getAvailableMdnAndBizId() {
 	public int createEmulator(List<String> mdnList) {
 		this.instances = multiCarInstanceFactory.createCarInstances(mdnList);
 		log.info("multiCarInstanceFactory가 {}개의 인스턴스 생성 완료", instances.size());
+
 		return instances.size();
 	}
 
diff --git a/tracky-web/src/main/java/kernel360/trackyweb/statistic/domain/provider/MonthlyStatisticProvider.java b/tracky-web/src/main/java/kernel360/trackyweb/statistic/domain/provider/MonthlyStatisticProvider.java
index fc320849..f25cc8f6 100644
--- a/tracky-web/src/main/java/kernel360/trackyweb/statistic/domain/provider/MonthlyStatisticProvider.java
+++ b/tracky-web/src/main/java/kernel360/trackyweb/statistic/domain/provider/MonthlyStatisticProvider.java
@@ -28,10 +28,10 @@ public void saveMonthlyStatistic(List<MonthlyStatisticEntity> resultEntities) {
 
 		for (MonthlyStatisticEntity entity : resultEntities) {
 			MonthlyStatisticEntity existEntity = monthlyStatisticRepository.findByBizIdAndDate(
-				entity.getBizId(), entity.getDate().minusDays(1));
+				entity.getBizId(), entity.getDate());
 
 			if (existEntity != null) {
-				existEntity.update(entity.getTotalCarCount(), entity.getNonOperatingCarCount(),
+				existEntity.update(entity.getDate(), entity.getTotalCarCount(), entity.getNonOperatingCarCount(),
 					entity.getAvgOperationRate(), entity.getTotalDriveSec(), entity.getTotalDriveCount(),
 					entity.getTotalDriveDistance());
 			} else {