diff --git a/src/main/java/itn/let/mjo/msgdata/service/impl/MjonMsgDataServiceImpl.java b/src/main/java/itn/let/mjo/msgdata/service/impl/MjonMsgDataServiceImpl.java
index ac472d15..2c6c17fc 100644
--- a/src/main/java/itn/let/mjo/msgdata/service/impl/MjonMsgDataServiceImpl.java
+++ b/src/main/java/itn/let/mjo/msgdata/service/impl/MjonMsgDataServiceImpl.java
@@ -4180,7 +4180,7 @@ public class MjonMsgDataServiceImpl extends EgovAbstractServiceImpl implements M
 
 		//
 		int instCnt = 0;
-		int batchSize = 5000;
+	    int batchSize = (int) Math.ceil((double) mjonMsgSendVOList.size() / 3); // Batch 크기 계산
 		// Batch 처리
 		for (int i = 0; i < mjonMsgSendVOList.size(); i += batchSize) {
 			System.out.println(" i :: "+ i);
@@ -4200,6 +4200,7 @@ public class MjonMsgDataServiceImpl extends EgovAbstractServiceImpl implements M
 		// 실행 시간 계산 (밀리초 -> 초로 변환)
 		double executionTimeInSeconds = (endTime - startTime) / 1000.0;
 		// 실행 시간 출력
+		System.out.println("batchSize :: " + batchSize);
 		System.out.println("Execution time :: " + executionTimeInSeconds + "초 " + "// insert Cnt :: "+instCnt);
 //		mjonMsgSendVOList.stream().forEach(t-> System.out.print(t.toString()+"\n") );
 //		mjonMsgSendVOList.stream().forEach(t-> System.out.print(t.toString()+"\n") );