diff --git a/mens-api/src/main/java/kr/xit/ens/support/cmm/service/ICmmEnsCacheService.java b/mens-api/src/main/java/kr/xit/ens/support/cmm/service/ICmmEnsCacheService.java
index a8094b5..57e7b47 100644
--- a/mens-api/src/main/java/kr/xit/ens/support/cmm/service/ICmmEnsCacheService.java
+++ b/mens-api/src/main/java/kr/xit/ens/support/cmm/service/ICmmEnsCacheService.java
@@ -1,7 +1,6 @@
 package kr.xit.ens.support.cmm.service;
 
 import kr.xit.biz.ens.model.nice.NiceCiDTO.CrtfInfo;
-import org.springframework.cache.annotation.CacheEvict;
 
 /**
  * <pre>
diff --git a/mens-api/src/main/java/kr/xit/ens/support/nice/service/NiceCiService.java b/mens-api/src/main/java/kr/xit/ens/support/nice/service/NiceCiService.java
index 87b59c0..73469d1 100644
--- a/mens-api/src/main/java/kr/xit/ens/support/nice/service/NiceCiService.java
+++ b/mens-api/src/main/java/kr/xit/ens/support/nice/service/NiceCiService.java
@@ -27,6 +27,7 @@ import kr.xit.biz.ens.model.nice.NiceCiDTO.PublickeyRequest;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.PublickeyResDataBody;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.PublickeyResponse;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.RequestDataHeader;
+import kr.xit.biz.ens.model.nice.NiceCiDTO.ResponseDataHeader;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.SymmetrickeyRegRequest;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.SymmetrickeyRegResponse;
 import kr.xit.biz.ens.model.nice.NiceCiDTO.TokenRequest;
@@ -40,7 +41,7 @@ import kr.xit.ens.support.cmm.mapper.ICmmEnsMapper;
 import kr.xit.ens.support.cmm.service.CmmEnsCacheService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.poi.ss.formula.functions.T;
+import org.apache.commons.lang3.ObjectUtils;
 import org.egovframe.rte.fdl.cmmn.EgovAbstractServiceImpl;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.cache.CacheManager;
@@ -90,6 +91,9 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
     @Value("${contract.nice.api.ci}")
     private String API_CI;
 
+    //FIXME::업무처리 최대 주기
+    private final int EXPIRED_CHECK_DAYS = 1;
+
     private static final String AUTH_TYPE_BASIC = "Basic";
     private static final String AUTH_TYPE_BEARER = "bearer";
     private static final Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
@@ -214,7 +218,7 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
         CrtfInfo crtfInfo = cacheService.getNiceCrtfInfoCache(SIGNGU_CODE, FFNLG_CODE, CLIENT_ID);
         cacheService.logCache();
 
-        if(crtfInfo.getRemainingDays() > 5)     return crtfInfo;
+        if(crtfInfo.getRemainingDays() > EXPIRED_CHECK_DAYS)     return crtfInfo;
 
         //FIXME::공개키 발급요청 call
         PublickeyRequest pubReqDTO = PublickeyRequest.builder()
@@ -225,10 +229,12 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
             .build();
 
         PublickeyResponse pubResDTO = requestPublickey(pubReqDTO);
+        //PublickeyResponse pubResDTO = JsonUtils.toObject(pubResJson, PublickeyResponse.class);
 
         //FIXME::공개키 정보 갱신
+        ResponseDataHeader dataHeader = pubResDTO.getDataHeader();
         PublickeyResDataBody dataBody = pubResDTO.getDataBody();
-        if(pubResDTO.getDataHeader().getGwRsltCd().equals("1200")
+        if(dataHeader.getGwRsltCd().equals("1200")
             && dataBody.getRspCd().equals("P000")
             && dataBody.getResultCd().equals("0000")){
             crtfInfo.setSiteCode(dataBody.getSiteCode());
@@ -237,7 +243,8 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
             crtfInfo.setValidDtim(dataBody.getValidDtim());
             cmmEnsMapper.updateNiceCrtfPublickey(crtfInfo);
         }else{
-            //FIXME::예외처리
+            //FIXME::에러처리 방안 설정후 적용 할 것
+            throw BizRuntimeException.create(JsonUtils.toJson(dataHeader));
         }
 
         cacheService.removeNiceCrtfInfoCache(SIGNGU_CODE, FFNLG_CODE, CLIENT_ID);
@@ -251,7 +258,7 @@ public class NiceCiService extends EgovAbstractServiceImpl implements INiceCiSer
     //-------------------------------------------------------------------------------
     private Map<String,String> getHeaderMap(final String contentType, final String type){
         Map<String,String> map = new HashMap<>();
-        map.put(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_FORM_URLENCODED_VALUE);
+        if(ObjectUtils.isNotEmpty(contentType))  map.put(HttpHeaders.CONTENT_TYPE, contentType);
         map.put(
             HttpHeaders.AUTHORIZATION,
             String.format("%s %s",
diff --git a/mens-api/src/main/resources/egovframework/mapper/biz/ens-cmm-mysql-mapper.xml b/mens-api/src/main/resources/egovframework/mapper/biz/ens-cmm-mysql-mapper.xml
index 9a8ac13..e991fea 100644
--- a/mens-api/src/main/resources/egovframework/mapper/biz/ens-cmm-mysql-mapper.xml
+++ b/mens-api/src/main/resources/egovframework/mapper/biz/ens-cmm-mysql-mapper.xml
@@ -18,7 +18,7 @@
            key_version,
            public_key,
            valid_dtim,
-           timestampdiff(DAY, '20230911235959', now())  AS remainingDays /* 잔여일수-공용키 */
+           timestampdiff(DAY, now(), '20230911235959')  AS remainingDays /* 잔여일수-공용키 */
       FROM tb_cmm_nice_instn_crtf_info
      WHERE signgu_code = #{signguCode}
        AND ffnlg_code = #{ffnlgCode}
diff --git a/mens-core/src/main/java/kr/xit/core/spring/handler/CustomRestExceptionHandler.java b/mens-core/src/main/java/kr/xit/core/spring/handler/CustomRestExceptionHandler.java
index 36750d2..9156e2a 100644
--- a/mens-core/src/main/java/kr/xit/core/spring/handler/CustomRestExceptionHandler.java
+++ b/mens-core/src/main/java/kr/xit/core/spring/handler/CustomRestExceptionHandler.java
@@ -72,7 +72,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     protected ResponseEntity<Object> handleMethodArgumentNotValid(
         MethodArgumentNotValidException ex, HttpHeaders headers, HttpStatus status,
         WebRequest request) {
-        log.error("==== MethodArgumentNotValidException override ====");
+        log.error("==== MethodArgumentNotValidException override ====\n{}", ex.getMessage());
         Map<String, String> validErrorMap = new HashMap<>();
         ex.getBindingResult().getFieldErrors()
             .forEach(e -> validErrorMap.put(e.getField(), e.getDefaultMessage()));
@@ -96,7 +96,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     protected ResponseEntity<Object> handleHttpMessageNotReadable(
         HttpMessageNotReadableException ex, HttpHeaders headers, HttpStatus status,
         WebRequest request) {
-        log.error("==== HttpMessageNotReadableException override ====");
+        log.error("==== HttpMessageNotReadableException override ====\n{}", ex.getMessage());
 
         return ResponseEntity
             .ok()
@@ -112,7 +112,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
      */
     @ExceptionHandler(value = {BizRuntimeException.class})
     protected ApiResponseDTO handleBizRutimeException(BizRuntimeException e) {
-        log.error("==== throw BizRutimeException====");
+        log.error("==== throw BizRutimeException====\n{}", e.getMessage());
         return sendError(e);
     }
 
@@ -125,7 +125,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {EgovBizException.class})
     @ResponseStatus(value = HttpStatus.BAD_REQUEST)
     protected ApiResponseDTO handleEgovBizException(EgovBizException e) {
-        log.error("==== throw EgovBizException ====================");
+        log.error("==== throw EgovBizException ====================\n{}", e.getMessage());
         return sendError(e);
     }
 
@@ -137,7 +137,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {NoSuchElementException.class})
     @ResponseStatus(value = HttpStatus.BAD_REQUEST)
     protected ApiResponseDTO handleNoSuchElementException(NoSuchElementException e) {
-        log.error("==== throw NoSuchElementException ====================");
+        log.error("==== throw NoSuchElementException ====================\n{}", e.getMessage());
         return sendError(e);
     }
 
@@ -149,7 +149,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {IllegalArgumentException.class})
     @ResponseStatus(value = HttpStatus.BAD_REQUEST)
     protected ApiResponseDTO handleIllegalArgumentException(IllegalArgumentException e) {
-        log.error("==== throw IllegalArgumentException ====================");
+        log.error("==== throw IllegalArgumentException ====================\n{}", e.getMessage());
         return sendError(e);
     }
 
@@ -172,7 +172,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {CompletionException.class})
     @ResponseStatus(value = HttpStatus.BAD_REQUEST)
     protected ApiResponseDTO handleCompletionException(CompletionException e) {
-        log.error("==== throw CompletionException ====================");
+        log.error("==== throw CompletionException ====================\n{}", e.getMessage());
         return sendError(e);
     }
 
@@ -185,7 +185,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {RuntimeException.class})
     @ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
     protected ApiResponseDTO handleRuntimeException(RuntimeException e) {
-        log.error("==== throw RuntimeException ====================");
+        log.error("==== throw RuntimeException ====================", e.getMessage());
         return sendError(e);
     }
 
@@ -198,7 +198,7 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
     @ExceptionHandler(value = {Exception.class})
     @ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
     protected ApiResponseDTO handleException(Exception e) {
-        log.error("==== throw Exception ====================");
+        log.error("==== throw Exception ====================\n{}", e.getMessage());
         return sendError(e);
     }