diff --git a/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiSendDTO.java b/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiSendDTO.java
index a8c4919..7c86962 100644
--- a/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiSendDTO.java
+++ b/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiSendDTO.java
@@ -383,7 +383,7 @@ public class NiceCiApiSendDTO {
                 84, // 공란
             };
 
-            if (StringUtils.isNotBlank(tgtString) && NiceCiUtils.lengthKr(tgtString) >= 2310) {
+            if (StringUtils.isNotBlank(tgtString) && NiceCiUtils.lengthKr(tgtString) >= 2210) {
                 Response response = new Response();
                 int idx = 0;
                 response.setTrnscId(StringUtils.left(tgtString, parseLength[idx]));
@@ -410,7 +410,7 @@ public class NiceCiApiSendDTO {
                 response.setIndvdlzRspnsBlnk(StringUtils.left(tgtString, parseLength[idx]));
                 tgtString = tgtString.substring(parseLength[idx]);
 
-                if(NiceCiUtils.lengthKr(tgtString) % repeatLength == 0){
+                if(NiceCiUtils.lengthKr(tgtString) > 0 && NiceCiUtils.lengthKr(tgtString) % repeatLength == 0){
                     int repeat = NiceCiUtils.lengthKr(tgtString) / repeatLength;
                     String finalTgtString = tgtString;
                     List<NiceCiApiResult> resResults = IntStream.range(0, repeat)
@@ -420,6 +420,10 @@ public class NiceCiApiSendDTO {
                         })
                         .collect(Collectors.toList());
                     response.setNiceCiResults(resResults);
+                }else{
+                    if((NiceCiUtils.lengthKr(tgtString) != 0)){
+                        throw new EnsException(EnsErrCd.INVALID_RESPONSE, "NICE CI 송신 응답 반복부 전문 오류:: length - " + NiceCiUtils.lengthKr(tgtString));
+                    }
                 }
                 return response;
             }
diff --git a/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiStatusDTO.java b/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiStatusDTO.java
index 2187ab7..8ee8cde 100644
--- a/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiStatusDTO.java
+++ b/src/main/java/cokr/xit/ens/modules/nice/model/NiceCiApiStatusDTO.java
@@ -316,7 +316,7 @@ public class NiceCiApiStatusDTO {
             // FIXME: 인코딩확인후 필요시 사용
             //String tgtString = new String(tgtStr.getBytes(), StandardCharsets.UTF_8);
 
-            if (StringUtils.isNotBlank(tgtString) && NiceCiUtils.lengthKr(tgtString) >= 1290) {
+            if (StringUtils.isNotBlank(tgtString) && NiceCiUtils.lengthKr(tgtString) >= 140) {
                 Response nr = new Response();
                 int idx = 0;
                 nr.setTrnscId(StringUtils.left(tgtString, parseLength[idx]));
@@ -334,7 +334,7 @@ public class NiceCiApiStatusDTO {
                 nr.setRspnsCo(StringUtils.left(tgtString, parseLength[idx]));
                 tgtString = tgtString.substring(parseLength[idx++]);
 
-                if(NiceCiUtils.lengthKr(tgtString) % repeatLength == 0){
+                if(NiceCiUtils.lengthKr(tgtString) > 0 && NiceCiUtils.lengthKr(tgtString) % repeatLength == 0){
                     int repeat = NiceCiUtils.lengthKr(tgtString) / repeatLength;
                     String finalTgtString = tgtString;
                     List<NiceCiApiResult> resResults = IntStream.range(0, repeat)
@@ -344,6 +344,10 @@ public class NiceCiApiStatusDTO {
                         })
                         .collect(Collectors.toList());
                     nr.setNiceCiResults(resResults);
+                }else{
+                    if((NiceCiUtils.lengthKr(tgtString) != 0)){
+                        throw new EnsException(EnsErrCd.INVALID_RESPONSE, "NICE CI 상태(이력) 조회 응답 반복부 전문 오류:: length - " + NiceCiUtils.lengthKr(tgtString));
+                    }
                 }
                 return nr;
             }
diff --git a/src/main/java/cokr/xit/ens/modules/nice/service/NiceCiStatBulkService.java b/src/main/java/cokr/xit/ens/modules/nice/service/NiceCiStatBulkService.java
index 58e2b9e..27b81b5 100644
--- a/src/main/java/cokr/xit/ens/modules/nice/service/NiceCiStatBulkService.java
+++ b/src/main/java/cokr/xit/ens/modules/nice/service/NiceCiStatBulkService.java
@@ -244,9 +244,9 @@ public class NiceCiStatBulkService {
         niceCiMapper.insertNiceSmsSndngInquireResponse(resDTO);
 
         // API response 반복부 저장
-        List<NiceCiApiResult> results = resDTO.getNiceCiResults();
+        List<NiceCiApiResult> apiResults = resDTO.getNiceCiResults();
         List<NiceCiDTO.SendResult> sendResults = new ArrayList<>();
-        for (NiceCiApiResult result : results) {
+        for (NiceCiApiResult result : apiResults) {
             result.setNiceSmsSndngInqireId(niceSmsInqId);
             try {
                 NiceCiDTO.SendResult sendResult = niceCiNewTransactionService.findDataIdFromSendResult(result)
@@ -269,8 +269,8 @@ public class NiceCiStatBulkService {
                 }
             }
         }
-        if(!results.isEmpty())      niceCiNewTransactionService.insertNiceSmsSndngInquireResponseRepeats(results);
-        if(!sendResults.isEmpty())  niceCiNewTransactionService.insertSendResults(sendResults);
+        if(!apiResults.isEmpty())       niceCiNewTransactionService.insertNiceSmsSndngInquireResponseRepeats(apiResults);
+        if(!sendResults.isEmpty())      niceCiNewTransactionService.insertSendResults(sendResults);
         //----------------------------------------------------------
         // API Call 후처리 END - response & 결과테이블 저장
         //----------------------------------------------------------