diff --git a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
index 9623ad7..8510867 100644
--- a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
+++ b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
@@ -146,7 +146,8 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 		String headerGroupName = prop.getProperty(HEADER_GROUP);
 		String relayResponseHeaderKeys = prop.getProperty(HEADER_KEYS, "");
 		useAdapterToken = StringUtils.equalsIgnoreCase(prop.getProperty("ADAPTER_TOKEN_USE_YN", "N"), "Y");
-
+		String authorizationHeaderName = prop.getProperty("ADAPTER_TOKEN_HEADER_NAME", "Authorization");
+		
 		boolean useForwardProxy = StringUtils.equalsIgnoreCase(prop.getProperty("FORWARD_PROXY_USE_YN", "N"), "Y");
 		String forwardProxyUrl = prop.getProperty("FORWARD_PROXY_URL");
 
@@ -332,8 +333,6 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 
 		// OAuth2AccessToken check 부분을 뒤에서 여기로 위치를 옮김, 나이스지키미 암호화 KEY를 얻기 위해서. JWHONG
 		OAuth2AccessTokenVO accessToken = null;
-		String auth ="";
-		Date currentDate = new Date();
 		if (useAdapterToken) {
 			AccessTokenManagerByDB tokenManager = AccessTokenManagerByDB.getInstance();
 			accessToken = (OAuth2AccessTokenVO) tokenManager.getAccessTokenVO(vo.getAdapterGroupName());
@@ -351,29 +350,11 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 						+ accessToken + "]");
 			}
 
-			Properties properties = AdapterPropManager.getInstance().getProperties(vo.getAdapterName()); // jwhong
-			String encryptAlgorithm = properties.getProperty("ENCRYPT_ALGORITHM");   // jwhong
-			if  (useAdapterToken && "AES256-NICEON".equals(encryptAlgorithm)) {
-				String niceToken = accessToken.getAccessToken();
-				if ( niceToken == null || niceToken == "") {
-					throw new Exception("NiceOn Token is empty, TOKEN failed to be issued, TOKEN = [" + niceToken + "]");
-				}				
-				String clientId = accessToken.getClientId();   // HttpClientAccessTokenServiceWithBase64NiceOn 서 넣어줌				
-				long currentTime =  currentDate.getTime() / 1000;				
-				auth =  niceToken + ":" + currentTime + ":" + clientId ;
-				logger.debug("HttpClientAdapterServiceRest] NiceOn auth = [" + auth + "]");
-				auth = Base64.getEncoder().encodeToString(auth.getBytes("UTF-8"));
-				logger.debug("HttpClientAdapterServiceRest] NiceOn Base64 encoded auth = [" + auth + "]");
-
-				setNiceOnAuthHeaders(method, auth);
-			} else {
-				setAuthHeaders(method, accessToken);   // 원래 있던 logic
-			}
-
+			setAuthHeaders(method, accessToken, authorizationHeaderName);
 
 			if (logger.isDebug()) {
 				logger.debug("HttpClientAdapterServiceRest] SEND (" + vo.getAdapterGroupName()
-						+ ") RequestHeader [" + method.getHeader("Authorization").getName() + ": " + method.getHeader("Authorization").getValue() + "]");
+						+ ") RequestHeader [" + method.getHeader(authorizationHeaderName).getName() + ": " + method.getHeader(authorizationHeaderName).getValue() + "]");
 			}
 		}
 		
@@ -390,7 +371,7 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 		logger.debug("authToken :::::::::::::::::::::::::::::::::::" + authToken);
 
 		if(!StringUtils.isBlank(authToken)) {
-			setAuthHeaders(method, authToken);
+			setAuthHeaders(method, authToken, authorizationHeaderName);
 		}
 		// 여기 까지
 
@@ -618,9 +599,8 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 					String oldToken = accessToken == null ? null : accessToken.getAccessToken();
 					OAuth2AccessTokenVO newaccessToken = (OAuth2AccessTokenVO) tokenManager
 							.retryAccessTokenVO(vo.getAdapterGroupName(), prop, oldToken);
-					method.setHeader("Authorization", newaccessToken.getAuthorization());
-
-					setAuthHeaders(method, newaccessToken);
+					
+					setAuthHeaders(method, accessToken, authorizationHeaderName);
 
 					if (logger.isDebug() && "N".equals(vo.getTestCallYn())) {
 						logger.debug("HttpClientAdapterServiceRest] SEND (" + vo.getAdapterGroupName()
@@ -878,10 +858,20 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 				String.format("%s", authorization));
 	}
 
+	protected void setAuthHeaders(HttpUriRequestBase method, String authorization, String authorizationHeaderName) throws Exception {
+		method.setHeader(authorizationHeaderName,
+				String.format("%s", authorization));
+	}
+
 	protected void setAuthHeaders(HttpUriRequestBase method, OAuth2AccessTokenVO accessToken) throws Exception {
 		method.setHeader("Authorization",
 				String.format("%s %s", AccessTokenVO.BEARER_TYPE, accessToken.getAccessToken()));
 	}
+	
+	protected void setAuthHeaders(HttpUriRequestBase method, OAuth2AccessTokenVO accessToken, String authorizationHeaderName) throws Exception {
+		method.setHeader(authorizationHeaderName,
+				String.format("%s %s", AccessTokenVO.BEARER_TYPE, accessToken.getAccessToken()));
+	}
 
 	/* nice on 나이스 지키미 용으로 생성함
 	 * jwhong  2015-11-04
diff --git a/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java b/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
index 7fe4818..0a2899b 100644
--- a/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
+++ b/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
@@ -327,12 +327,12 @@ public class AccessTokenManagerByDB implements Lifecycle {
 				logger.warn("No valid adapter configuration found for adapter group: {}", adapterGroupName);
 			}
 		
-	    }catch (Exception e) {
-		logger.error("Task execution failed for adapter group: {}", adapterGroupName, e);
-	    } 
-	    
-	    return accessToken;
-		
+		} catch (Exception e) {
+			logger.error("Task execution failed for adapter group: {}", adapterGroupName, e);
+		}
+
+		return accessToken;
+
 	}
 
 	public void stopToken(String adapterGroupName) {
@@ -474,18 +474,18 @@ public class AccessTokenManagerByDB implements Lifecycle {
 	    if (accessToken == null || accessToken.isExpired()
 		    || StringUtils.equals(accessToken.getAccessToken(), oldToken)) {
 
-		if (isOAuthCredentialRegistered(adapterGroupName) == false) {
-		    throw new Exception(
-			    "There is no OAuthCredentialRegistered information, or whether to use it is 'N'.");
-		}
-		String type = properties.getProperty("ADAPTER_TOKEN_ISSUING_CLIENT_TYPE");
-
-		HttpClientAccessTokenServiceByDB service = HttpClientAccessTokenServiceFactoryByDB.createFactory(type);
-		OutboundOAuthCredentialVo outboundOAuthCredentialVo = outboundOAuthCredentialVos.get(adapterGroupName);
-		if (service != null) {
-		    accessToken = (AccessTokenVO) service.execute(adapterGroupName, properties,
-			    outboundOAuthCredentialVo);
-		}
+			if (isOAuthCredentialRegistered(adapterGroupName) == false) {
+			    throw new Exception(
+				    "There is no OAuthCredentialRegistered information, or whether to use it is 'N'.");
+			}
+			String type = properties.getProperty("ADAPTER_TOKEN_ISSUING_CLIENT_TYPE");
+	
+			HttpClientAccessTokenServiceByDB service = HttpClientAccessTokenServiceFactoryByDB.createFactory(type);
+			OutboundOAuthCredentialVo outboundOAuthCredentialVo = outboundOAuthCredentialVos.get(adapterGroupName);
+			if (service != null) {
+			    accessToken = (AccessTokenVO) service.execute(adapterGroupName, properties,
+				    outboundOAuthCredentialVo);
+			}
 	    }
 
 	    return accessToken;