diff --git a/src/main/java/com/eactive/eai/custom/message/StandardMessageCoordinatorDJB.java b/src/main/java/com/eactive/eai/custom/message/StandardMessageCoordinatorDJB.java
index c952a59..c8ff3c9 100644
--- a/src/main/java/com/eactive/eai/custom/message/StandardMessageCoordinatorDJB.java
+++ b/src/main/java/com/eactive/eai/custom/message/StandardMessageCoordinatorDJB.java
@@ -25,7 +25,7 @@ import com.ext.eai.common.stdmessage.STDMessageKeys;
  *
  * 표준전문 구조 변경에 따른 각 처리 단계 후처리 정의:
  *  - HEAD 평면 구조, GUID 40자, guid_prgs_no 별도 필드
- *  - MSG 영역: msg_dvcd(NM/EM) + MAIN_MSG + msg_list
+ *  - MSG 영역: msg_dvcd(NM/EM) + MAIN_MSG + MSG_LIST
  *  - 처리결과구분코드: S(성공) / F(오류)
  *  - 전문종료부: @JJ
  */
@@ -63,7 +63,7 @@ public class StandardMessageCoordinatorDJB extends DefaultStandardMessageCoordin
     private static final String MSG_OUTP_MSG_CD           = "MSG.MAIN_MSG.outp_msg_cd";
     private static final String MSG_OUTP_MSG_CTNT         = "MSG.MAIN_MSG.outp_msg_ctnt";
     private static final String MSG_LIST_ROWCNT           = "MSG.MAIN_MSG.msg_list_rowcnt";
-    private static final String MSG_LIST                  = "MSG.msg_list";
+    private static final String MSG_LIST                  = "MSG.MSG_LIST";
 
     // DATA 영역 경로
     private static final String DATA_SCOP_LEN             = "DATA.data_scop_len";
@@ -173,8 +173,8 @@ public class StandardMessageCoordinatorDJB extends DefaultStandardMessageCoordin
         standardMessage.setData(MSG_OUTP_MSG_CD,   siteErrCode);
         standardMessage.setData(MSG_OUTP_MSG_CTNT, siteErrMsg);
 
-        // msg_list 1건 구성
-        standardMessage.setData(MSG_LIST_ROWCNT, "00001");
+        // MSG_LIST 1건 구성
+        standardMessage.setData(MSG_LIST_ROWCNT, "1");
         StandardItem msgList = standardMessage.findItem(MSG_LIST);
         if (msgList != null) {
             msgList.setSize(1);
@@ -217,7 +217,7 @@ public class StandardMessageCoordinatorDJB extends DefaultStandardMessageCoordin
             mainMsgItem.setSize(1);
         }
 
-        // msg_dvcd=NM, outp_atrb_cd=0, outp_msg_cd, outp_msg_ctnt, msg_list_rowcnt=00000
+        // msg_dvcd=NM, outp_atrb_cd=0, outp_msg_cd, outp_msg_ctnt, msg_list_rowcnt=0
         // → 모두 CSV 기본값 사용
 
         makeMsgScopLen(responseMessage);
diff --git a/src/main/resources/standard-layout-djb.csv b/src/main/resources/standard-layout-djb.csv
index cc371f5..3708b28 100644
--- a/src/main/resources/standard-layout-djb.csv
+++ b/src/main/resources/standard-layout-djb.csv
@@ -156,7 +156,7 @@ outp_msg_ctnt,3,2,1,1,200,1,,,정상처리되었습니다.
 outp_msg_desc,3,2,1,1,300,1,,,
 mngm_msg_cd,3,2,1,1,12,1,,,
 msg_list_rowcnt,3,2,0,1,5,2,,,0
-msg_list,2,4,0,1,0,1,MSG.MAIN_MSG.msg_list_rowcnt,,
+MSG_LIST,2,4,0,1,0,1,MSG.MAIN_MSG.msg_list_rowcnt,,
 outp_msg_cd,3,2,0,1,12,1,,,
 outp_msg_ctnt,3,2,0,1,200,1,,,
 outp_msg_desc,3,2,0,1,300,1,,,
diff --git a/src/test/java/com/eactive/eai/custom/message/StandardLayoutDJBTest.java b/src/test/java/com/eactive/eai/custom/message/StandardLayoutDJBTest.java
index eebcb4e..fd607f4 100644
--- a/src/test/java/com/eactive/eai/custom/message/StandardLayoutDJBTest.java
+++ b/src/test/java/com/eactive/eai/custom/message/StandardLayoutDJBTest.java
@@ -126,8 +126,8 @@ class StandardLayoutDJBTest {
     }
 
     @Test
-    void MSG_msg_list_Grid_존재() {
-        assertNotNull(message.findItem("MSG.msg_list"), "MSG.msg_list Grid 없음");
+    void MSG_MSG_LIST_Grid_존재() {
+        assertNotNull(message.findItem("MSG.MSG_LIST"), "MSG.MSG_LIST Grid 없음");
     }
 
     // ----------------------------------------------------------------
diff --git a/src/test/java/com/eactive/eai/custom/message/StandardMessageSpecTest.java b/src/test/java/com/eactive/eai/custom/message/StandardMessageSpecTest.java
index b62dfad..cfd1813 100644
--- a/src/test/java/com/eactive/eai/custom/message/StandardMessageSpecTest.java
+++ b/src/test/java/com/eactive/eai/custom/message/StandardMessageSpecTest.java
@@ -643,7 +643,7 @@ class StandardMessageSpecTest {
             coordinator.coordinateSetStandardMessageError(msg, mapper, "RECEAICMM999", "오류발생");
             String json = msg.getDataString(MessageType.JSON, "utf-8");
             JsonNode root = jacksonMapper.readTree(json);
-            JsonNode msgList = root.path("MSG").path("msg_list");
+            JsonNode msgList = root.path("MSG").path("MSG_LIST");
             assertFalse(msgList.isMissingNode() || msgList.isEmpty(),
                     "MSG_LIST에 1건이 있어야 함");
             String cd = msgList.get(0).path("outp_msg_cd").asText();
@@ -656,7 +656,7 @@ class StandardMessageSpecTest {
             coordinator.coordinateSetStandardMessageError(msg, mapper, "RECEAICMM999", "오류발생");
             String json = msg.getDataString(MessageType.JSON, "utf-8");
             JsonNode root = jacksonMapper.readTree(json);
-            String ctnt = root.path("MSG").path("msg_list").get(0).path("outp_msg_ctnt").asText();
+            String ctnt = root.path("MSG").path("MSG_LIST").get(0).path("outp_msg_ctnt").asText();
             assertFalse(ctnt.isEmpty(), "MSG_LIST[0].outp_msg_ctnt가 설정되어야 함");
         }
 
@@ -666,7 +666,7 @@ class StandardMessageSpecTest {
             coordinator.coordinateSetStandardMessageError(msg, mapper, "RECEAICMM999", "오류설명");
             String json = msg.getDataString(MessageType.JSON, "utf-8");
             JsonNode root = jacksonMapper.readTree(json);
-            String desc = root.path("MSG").path("msg_list").get(0).path("outp_msg_desc").asText();
+            String desc = root.path("MSG").path("MSG_LIST").get(0).path("outp_msg_desc").asText();
             assertFalse(desc.isEmpty(), "MSG_LIST[0].outp_msg_desc가 설정되어야 함");
         }
 
@@ -676,7 +676,7 @@ class StandardMessageSpecTest {
             coordinator.coordinateSetStandardMessageError(msg, mapper, "RECEAICMM999", "오류발생");
             String json = msg.getDataString(MessageType.JSON, "utf-8");
             JsonNode root = jacksonMapper.readTree(json);
-            String loct = root.path("MSG").path("msg_list").get(0).path("err_occu_loct").asText();
+            String loct = root.path("MSG").path("MSG_LIST").get(0).path("err_occu_loct").asText();
             assertFalse(loct.isEmpty(), "MSG_LIST[0].err_occu_loct가 설정되어야 함");
         }