diff --git a/src/main/java/com/eactive/eai/authserver/config/WebMvcConfig.java b/src/main/java/com/eactive/eai/authserver/config/WebMvcConfig.java
index 98f24b2..2a74aa1 100644
--- a/src/main/java/com/eactive/eai/authserver/config/WebMvcConfig.java
+++ b/src/main/java/com/eactive/eai/authserver/config/WebMvcConfig.java
@@ -62,7 +62,7 @@ public class WebMvcConfig {
         request.setAttribute("_authServerStatusCode", HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
         String detailMessage =  ex.getMessage();
         if ( StringUtils.isBlank(detailMessage) ) {
-        	detailMessage = "광주은행 관리자에게 문의하세요.";
+        	detailMessage = "API 관리자에게 문의하세요.";
         }
         request.setAttribute("errorMessage", detailMessage);
         return "forward:/error.jsp";
diff --git a/src/main/java/com/eactive/eai/authserver/custom/DJBOAuth2Controller.java b/src/main/java/com/eactive/eai/authserver/custom/DJBOAuth2Controller.java
index 3e1c821..c980967 100644
--- a/src/main/java/com/eactive/eai/authserver/custom/DJBOAuth2Controller.java
+++ b/src/main/java/com/eactive/eai/authserver/custom/DJBOAuth2Controller.java
@@ -163,7 +163,9 @@ public class DJBOAuth2Controller {
 			logTokenIssuance(false, false, e.getMessage(), null);
 			
 			Properties logProp = new Properties();
-			logProp.put("clientId", clientId);
+			if(StringUtils.isNotEmpty(clientId))
+				logProp.put("clientId", clientId);
+			
 			UnknownMessageLogUtils.logUnkownMessage(this.getClass().getSimpleName(), this.getClass().getSimpleName(),
 					tokenRequest.toString(), logProp, request, response, "RECEAIIRP301", e);
 			
@@ -178,7 +180,9 @@ public class DJBOAuth2Controller {
 			logTokenIssuance(false, false, e.getMessage(), null);
 			
 			Properties logProp = new Properties();
-			logProp.put("clientId", clientId);
+			if(StringUtils.isNotEmpty(clientId))
+				logProp.put("clientId", clientId);
+			
 			UnknownMessageLogUtils.logUnkownMessage(this.getClass().getSimpleName(), this.getClass().getSimpleName(),
 					tokenRequest.toString(), logProp, request, response, "RECEAIIRP301", e);