diff --git a/src/main/java/com/eactive/eai/outbound/HTTPProcess.java b/src/main/java/com/eactive/eai/outbound/HTTPProcess.java
index 76192bc..d790e38 100644
--- a/src/main/java/com/eactive/eai/outbound/HTTPProcess.java
+++ b/src/main/java/com/eactive/eai/outbound/HTTPProcess.java
@@ -883,5 +883,20 @@ public class HTTPProcess extends DefaultProcess {
 				standardMessage.setData(key, value);
 			});
 		}
+		
+		// 시스템환경구분코드 설정 (D/T/P)
+        EAIServerManager eaiServer = EAIServerManager.getInstance();
+        String sysEnvDvcd = getSysEnvDvcd(eaiServer);
+        if(StringUtils.equals("P", sysEnvDvcd)) {
+        	StandardMessage standardMessage = this.reqEaiMsg.getStandardMessage();
+        	this.reqEaiMsg.getMapper().setOperationEnv(standardMessage, "P");
+        }
+        	
 	}
+	
+	private String getSysEnvDvcd(EAIServerManager server) {
+        if (server.isPEAIServer()) return "P"; // 운영
+        if (server.isSEAIServer()) return "T"; // 검증/테스트
+        return "D";                            // 개발
+    }
 }