diff --git a/src/com/eactive/eai/agent/command/Command.java b/src/com/eactive/eai/agent/command/Command.java
index 261ddd0..e9e0301 100644
--- a/src/com/eactive/eai/agent/command/Command.java
+++ b/src/com/eactive/eai/agent/command/Command.java
@@ -27,7 +27,7 @@ public abstract class Command implements Serializable {
 	private HashMap<String,String> errorCode ;
 	
 	static {
-        HashMap<String,String> errorCode = new HashMap<String,String>();
+        errorCode = new HashMap<String,String>();
         errorCode.put("RECEAIMCM001", "Command 이름[{1}] 유효하지 않은 파라메터 타입 - {2}");
         errorCode.put("RECEAIMCM002", "Command 이름[{1}] execute 메소드 실행중 에러가 발생 - {2}");		
 	}
@@ -94,10 +94,9 @@ public abstract class Command implements Serializable {
         else{
             msgArgs[1] = cause.getMessage();
         }
-        if(this.errorCode != null)
-        	return makeMessage((String)errorCode.get(rspErrorCode),msgArgs) ;
-        else
-        	return "error";
+        String msg = makeMessage((String)errorCode.get(rspErrorCode),msgArgs) ;
+        
+        return msg;
     }
 
     protected static String makeMessage(String msg, String[] args) {