diff --git a/src/main/java/com/itn/admin/gw/holiday/mapper/HolidayMapper.java b/src/main/java/com/itn/admin/gw/holiday/mapper/HolidayMapper.java
index 8e5e836..8459267 100644
--- a/src/main/java/com/itn/admin/gw/holiday/mapper/HolidayMapper.java
+++ b/src/main/java/com/itn/admin/gw/holiday/mapper/HolidayMapper.java
@@ -1,6 +1,5 @@
 package com.itn.admin.gw.holiday.mapper;
 
-import com.itn.admin.commute.mapper.domain.CommuteVO;
 import com.itn.admin.gw.holiday.mapper.domain.HolidayVO;
 import org.apache.ibatis.annotations.Mapper;
 
@@ -21,4 +20,6 @@ import java.util.List;
 public interface HolidayMapper {
 
     List<HolidayVO> selectHolidaysByDateRange(String targetDate);
+
+    String findByUserIdFromUsrGlobalWhereName(String userName);
 }
diff --git a/src/main/java/com/itn/admin/itn/user/service/impl/UserServiceImpl.java b/src/main/java/com/itn/admin/itn/user/service/impl/UserServiceImpl.java
index 6bc921c..e3e581c 100644
--- a/src/main/java/com/itn/admin/itn/user/service/impl/UserServiceImpl.java
+++ b/src/main/java/com/itn/admin/itn/user/service/impl/UserServiceImpl.java
@@ -6,6 +6,7 @@ import com.itn.admin.commute.mapper.CommuteMapper;
 import com.itn.admin.commute.mapper.domain.CommuteVO;
 import com.itn.admin.commute.mapper.domain.UserEnum;
 import com.itn.admin.commute.service.CommuteService;
+import com.itn.admin.gw.holiday.mapper.HolidayMapper;
 import com.itn.admin.itn.user.mapper.UserMapper;
 import com.itn.admin.itn.user.mapper.domain.Role;
 import com.itn.admin.itn.user.mapper.domain.UserVO;
@@ -36,6 +37,9 @@ public class UserServiceImpl implements UserService {
     @Autowired
     TCodeUtils tCodeUtils;
 
+    @Autowired
+    HolidayMapper holidayMapper;
+
     @Autowired
     private PasswordEncoder passwordEncoder;
 
@@ -166,6 +170,21 @@ public class UserServiceImpl implements UserService {
         userVO.setUniqId("ITN_"+ UUID.randomUUID().toString().replace("-", "").substring(0, 10));
         userVO.setPassword(passwordEncoder.encode("itn123")); // 초기 비밀번호
         userVO.setRole(Role.ROLE_GUEST);
+
+        String gwUserId ="";
+        try {
+            gwUserId = holidayMapper.findByUserIdFromUsrGlobalWhereName(userVO.getUserName());
+
+        }catch (Exception e) {
+            e.printStackTrace();
+            return RestResponse.builder()
+                    .status(HttpStatus.BAD_REQUEST) // 실패
+                    .data(userVO.getUserName())
+                    .msg("실패하였습니다.")
+                    .build();
+        }
+        userVO.setGwId(gwUserId);
+
         log.info("userVO : [{}]", userVO);
         userMapper.insertUser(userVO);
         return RestResponse.builder()
diff --git a/src/main/resources/mapper/gw/holiday/HolidayMapper.xml b/src/main/resources/mapper/gw/holiday/HolidayMapper.xml
index 6c0e633..8c70965 100644
--- a/src/main/resources/mapper/gw/holiday/HolidayMapper.xml
+++ b/src/main/resources/mapper/gw/holiday/HolidayMapper.xml
@@ -41,4 +41,16 @@
         AND appr_stat = '2' -- 결제 완료 2
         ORDER BY INS_DATE DESC
     </select>
+
+
+    <!-- 특정 날짜가 범위 내에 있는 휴가 목록 조회 -->
+    <select id="findByUserIdFromUsrGlobalWhereName" parameterType="string" resultType="string">
+        SELECT
+            USER_ID
+        FROM INTRAWARE.USR_GLOBAL
+        WHERE NAME = #{userName}
+    </select>
+
+
+
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/templates/itn/user/list.html b/src/main/resources/templates/itn/user/list.html
index a3702c9..eb4b04f 100644
--- a/src/main/resources/templates/itn/user/list.html
+++ b/src/main/resources/templates/itn/user/list.html
@@ -572,9 +572,13 @@
                 contentType: 'application/json; charset=utf-8',
                 data: JSON.stringify(formData),
                 success: function(response) {
-                    $('#regUserInfoModal').modal('hide');
-                    fn_successAlert("등록 완료", response.data + "님 등록됨");
-                    location.reload();
+                    if(response.status === "OK") {
+                        $('#regUserInfoModal').modal('hide');
+                        fn_successAlert("등록 완료", response.data + "님 등록됨");
+                        location.reload();
+                    }else{
+                        fn_successAlert(response.msg);
+                    }
                 },
                 error: function() {
                     alert("등록 실패");