diff --git a/src/main/java/com/eactive/eai/custom/statistics/ApiStatsMonitorImpl.java b/src/main/java/com/eactive/eai/custom/statistics/ApiStatsMonitorImpl.java
index bf4064a..b024bd6 100644
--- a/src/main/java/com/eactive/eai/custom/statistics/ApiStatsMonitorImpl.java
+++ b/src/main/java/com/eactive/eai/custom/statistics/ApiStatsMonitorImpl.java
@@ -25,9 +25,9 @@ public class ApiStatsMonitorImpl implements StatisticsMonitor {
 	@Override
 	public void recordStatistics(EAIMessage requestEaiMessage) {
 		try {
-			// 로그 시퀀스 400 또는 900만 처리
+			// 로그 시퀀스 100, 400, 900만 처리
 			int logSequence = requestEaiMessage.getLogPssSno();
-			if (logSequence != 400 && logSequence != 900) {
+			if (logSequence != 100 && logSequence != 400 && logSequence != 900) {
 				return;
 			}
 
diff --git a/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java b/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
index 0feb141..b3be7b2 100644
--- a/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
+++ b/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
@@ -22,7 +22,6 @@ public class HourStatsAggregator {
 
 	// 건수 메트릭
 	private final AtomicLong totalCnt = new AtomicLong(0);
-	private final AtomicLong successCnt = new AtomicLong(0);
 	private final AtomicLong timeoutCnt = new AtomicLong(0);
 	private final AtomicLong systemErrCnt = new AtomicLong(0);
 	private final AtomicLong bizErrCnt = new AtomicLong(0);
@@ -62,13 +61,13 @@ public class HourStatsAggregator {
 	public void recordEvent(TransactionEvent event) {
 		int logSeq = event.getLogSequence();
 
-		// 로그 시퀀스 400: 일반 통계 집계
-		if (logSeq == 400) {
+		// 로그 시퀀스 100: 총 건수만 증가 (첫 호출)
+		if (logSeq == 100) {
 			totalCnt.incrementAndGet();
-
-			if (event.isSuccess()) {
-				successCnt.incrementAndGet();
-			} else {
+		}
+		// 로그 시퀀스 400: 응답시간 및 에러 타입 기록
+		else if (logSeq == 400) {
+			if (!event.isSuccess()) {
 				switch (event.getErrorType()) {
 					case TIMEOUT:
 						timeoutCnt.incrementAndGet();
@@ -185,11 +184,17 @@ public class HourStatsAggregator {
 		stats.setOutboundAdapter(key.getOutboundAdapter());
 
 		// 건수 메트릭
-		stats.setTotalCnt(totalCnt.get());
-		stats.setSuccessCnt(successCnt.get());
-		stats.setTimeoutCnt(timeoutCnt.get());
-		stats.setSystemErrCnt(systemErrCnt.get());
-		stats.setBizErrCnt(bizErrCnt.get());
+		long total = totalCnt.get();
+		long timeout = timeoutCnt.get();
+		long systemErr = systemErrCnt.get();
+		long bizErr = bizErrCnt.get();
+		long success = total - (timeout + systemErr + bizErr);
+
+		stats.setTotalCnt(total);
+		stats.setSuccessCnt(success);
+		stats.setTimeoutCnt(timeout);
+		stats.setSystemErrCnt(systemErr);
+		stats.setBizErrCnt(bizErr);
 
 		// 로그 시퀀스 900 구간 에러 카운트
 		stats.setSeq900TimeoutCnt(seq900TimeoutCnt.get());
@@ -197,7 +202,6 @@ public class HourStatsAggregator {
 		stats.setSeq900BizErrCnt(seq900BizErrCnt.get());
 
 		// 응답시간 메트릭
-		long total = totalCnt.get();
 		if (total > 0) {
 			// 평균
 			double avg = (double) totalRespTime.get() / total;
diff --git a/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java b/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
index 794a19b..5bb94cf 100644
--- a/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
+++ b/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
@@ -22,7 +22,6 @@ public class MinuteStatsAggregator {
 
 	// 건수 메트릭
 	private final AtomicLong totalCnt = new AtomicLong(0);
-	private final AtomicLong successCnt = new AtomicLong(0);
 	private final AtomicLong timeoutCnt = new AtomicLong(0);
 	private final AtomicLong systemErrCnt = new AtomicLong(0);
 	private final AtomicLong bizErrCnt = new AtomicLong(0);
@@ -62,13 +61,13 @@ public class MinuteStatsAggregator {
 	public void recordEvent(TransactionEvent event) {
 		int logSeq = event.getLogSequence();
 
-		// 로그 시퀀스 400: 일반 통계 집계
-		if (logSeq == 400) {
+		// 로그 시퀀스 100: 총 건수만 증가 (첫 호출)
+		if (logSeq == 100) {
 			totalCnt.incrementAndGet();
-
-			if (event.isSuccess()) {
-				successCnt.incrementAndGet();
-			} else {
+		}
+		// 로그 시퀀스 400: 응답시간 및 에러 타입 기록
+		else if (logSeq == 400) {
+			if (!event.isSuccess()) {
 				switch (event.getErrorType()) {
 					case TIMEOUT:
 						timeoutCnt.incrementAndGet();
@@ -185,11 +184,17 @@ public class MinuteStatsAggregator {
 		stats.setOutboundAdapter(key.getOutboundAdapter());
 
 		// 건수 메트릭
-		stats.setTotalCnt(totalCnt.get());
-		stats.setSuccessCnt(successCnt.get());
-		stats.setTimeoutCnt(timeoutCnt.get());
-		stats.setSystemErrCnt(systemErrCnt.get());
-		stats.setBizErrCnt(bizErrCnt.get());
+		long total = totalCnt.get();
+		long timeout = timeoutCnt.get();
+		long systemErr = systemErrCnt.get();
+		long bizErr = bizErrCnt.get();
+		long success = total - (timeout + systemErr + bizErr);
+
+		stats.setTotalCnt(total);
+		stats.setSuccessCnt(success);
+		stats.setTimeoutCnt(timeout);
+		stats.setSystemErrCnt(systemErr);
+		stats.setBizErrCnt(bizErr);
 
 		// 로그 시퀀스 900 구간 에러 카운트
 		stats.setSeq900TimeoutCnt(seq900TimeoutCnt.get());
@@ -197,7 +202,6 @@ public class MinuteStatsAggregator {
 		stats.setSeq900BizErrCnt(seq900BizErrCnt.get());
 
 		// 응답시간 메트릭
-		long total = totalCnt.get();
 		if (total > 0) {
 			// 평균
 			double avg = (double) totalRespTime.get() / total;