diff --git a/src/main/java/com/ext/eai/common/stdmessage/STDMessageKeys.java b/src/main/java/com/ext/eai/common/stdmessage/STDMessageKeys.java
index 00ba711..f4755c9 100644
--- a/src/main/java/com/ext/eai/common/stdmessage/STDMessageKeys.java
+++ b/src/main/java/com/ext/eai/common/stdmessage/STDMessageKeys.java
@@ -49,8 +49,9 @@ public interface STDMessageKeys {
     public static final String OUTPUT_TYPE_ERR           = "02";
     
     //응답결과구분코드 
-    public static final String RESPONSE_TYPE_CODE_N     = "0";//정상(normal)
-    public static final String RESPONSE_TYPE_CODE_E     = "1";//오류(error)
+    public static final String RESPONSE_TYPE_CODE_N     = "NR";//정상(normal)
+    public static final String RESPONSE_TYPE_CODE_E     = "ER";//오류(error)
+
     public static final String RESPONSE_TYPE_CODE_C     = "1";//대상시스템연결오류(connect fail)
     public static final String RESPONSE_TYPE_CODE_T     = "1";//타임아웃(timeout)
     public static final String RESPONSE_TYPE_CODE_F     = "1";//시스템오류(fatal)
@@ -68,6 +69,9 @@ public interface STDMessageKeys {
     public static final String PUSH_DVSN_CD_R        = "R";// 청단위
     public static final String PUSH_DVSN_CD_B        = "B";// 국단위
     public static final String PUSH_DVSN_CD_A        = "A";// 전체
-    
-    
+
+    public static final String SYS_OPRT_ENV_DVCD_ONLINE      = "O";  //운영
+    public static final String SYS_OPRT_ENV_DVCD_TESTSTAGE   = "S";  //검증
+    public static final String SYS_OPRT_ENV_DVCD_DEV         = "D";  //테스트
+    public static final String SYS_OPRT_ENV_DVCD_DR          = "R";  //DR
 }