diff --git a/src/main/java/itn/let/kakao/user/kakaoAt/service/impl/KakaoAlimTalkServiceImpl.java b/src/main/java/itn/let/kakao/user/kakaoAt/service/impl/KakaoAlimTalkServiceImpl.java
index 94198336..d62d1c7a 100644
--- a/src/main/java/itn/let/kakao/user/kakaoAt/service/impl/KakaoAlimTalkServiceImpl.java
+++ b/src/main/java/itn/let/kakao/user/kakaoAt/service/impl/KakaoAlimTalkServiceImpl.java
@@ -836,18 +836,19 @@ public class KakaoAlimTalkServiceImpl extends EgovAbstractServiceImpl implements
 		for(KakaoVO vo : kakaoFtSentRefundList) {
 			System.out.println(vo.getMsgGroupId() +"________결과 : " +vo.getRsltCode() +"     대체문자 전송 : "+vo.getSubMsgSendYn());
 			
-			if(vo.getRsltCode().equals("7000")) {//친구톡 발송 성공시
+			if("7000".equals(vo.getRsltCode())) {//친구톡 발송 성공시
 			
 				kakaoAlimTalkDAO.updateKakaoFtSend(vo);
 				
-			}else if(vo.getSubMsgSendYn().equals("Y")) {//친구톡 발송 실패 했을 경우
+			}else if("Y".equals(vo.getSubMsgSendYn())) {//친구톡 발송 실패 했을 경우
 				
 				//대체문자 발송 UMID 번호 조회 - 알림톡 쿼리 동일하게 사용
 				KakaoVO info = kakaoAlimTalkDAO.selectKakaoAtUmid(vo);
 				
 				System.out.println("대체문자 전송 : " + info.getBizUmid());
 				
-				if (info.getBizUmid() != null) {//대체문자 발송 완료인 경우
+//				if (info.getBizUmid() != null) {//대체문자 발송 완료인 경우
+				if (StringUtils.isNotEmpty(info.getBizUmid())) {//대체문자 발송 완료인 경우
 					kakaoAlimTalkDAO.updateKakaoFtSubMsgSend(vo);
 				}else {
 					kakaoAlimTalkDAO.updateKakaoFtNotSend(vo);