diff --git a/build.gradle b/build.gradle
index 7e5b800..f71e6b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,6 +44,7 @@ dependencies {
 	implementation group: 'org.mariadb.jdbc', name: 'mariadb-java-client', version: '3.5.2'
 	implementation group: 'com.microsoft.sqlserver', name: 'mssql-jdbc', version: '12.8.1.jre8'
 	implementation group: 'com.ibm.db2', name: 'jcc', version: '12.1.0.0'
+	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 
 }
 
diff --git a/src/main/java/com/bsmlab/dfx/agent/config/Settings.java b/src/main/java/com/bsmlab/dfx/agent/config/Settings.java
index 88a2413..aeba75b 100644
--- a/src/main/java/com/bsmlab/dfx/agent/config/Settings.java
+++ b/src/main/java/com/bsmlab/dfx/agent/config/Settings.java
@@ -70,7 +70,7 @@ public class Settings {
     @SuppressWarnings("unchecked")
     private void parseDropBoxes(Map<String, Object> settingMap) {
         List<Map<String, String>> dropBoxMapList = (List<Map<String, String>>)settingMap.get("drop-box");
-        //TODO drop-box executor 개발
+        //TODO drop-box executor 개발 -> ListenerController
         for(Map<String, String> dropBoxMap : dropBoxMapList) {
             DropBoxDto dropBoxDto = DropBoxDto.builder()
                     .dropBoxId(dropBoxMap.get("drop-box-id")).taskType(dropBoxMap.get("task-type"))
diff --git a/src/main/java/com/bsmlab/dfx/agent/support/MessageUtils.java b/src/main/java/com/bsmlab/dfx/agent/support/MessageUtils.java
index 3e65176..381d210 100644
--- a/src/main/java/com/bsmlab/dfx/agent/support/MessageUtils.java
+++ b/src/main/java/com/bsmlab/dfx/agent/support/MessageUtils.java
@@ -31,7 +31,7 @@ public class MessageUtils {
             if(map.get("sender") == null) {
                 throw new InCompleteMessageException("sender 엘리먼트를 찾을 수 없습니다.");
             }
-            else if(map.get("sender") instanceof Map){
+            else if(!(map.get("sender") instanceof Map)) {
                 throw new InCompleteMessageException("sender 엘리먼트의 데이터가 객체타입이 아닙니다.");
             }
             Map<String, Object> senderMap = (Map<String, Object>)map.get("sender");
@@ -53,7 +53,7 @@ public class MessageUtils {
                 throw new InCompleteMessageException("sender.timestamp 값을 찾을 수 없습니다.");
             }
             else {
-                String senderTimeStampString = String.valueOf(senderMap.get("host-id"));
+                String senderTimeStampString = String.valueOf(senderMap.get("timestamp"));
                 try {
                     senderTimestamp = Long.parseLong(senderTimeStampString);
                 } catch (NumberFormatException e) {
@@ -80,7 +80,7 @@ public class MessageUtils {
             if(map.get("recipient") == null) {
                 throw new InCompleteMessageException("recipient 엘리먼트를 찾을 수 없습니다.");
             }
-            else if(map.get("recipient") instanceof Map){
+            else if(!(map.get("recipient") instanceof Map)) {
                 throw new InCompleteMessageException("recipient 엘리먼트의 데이터가 객체타입이 아닙니다.");
             }
             Map<String, Object> recipientMap = (Map<String, Object>)map.get("recipient");
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index b3369ab..3f19527 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -9,7 +9,8 @@ spring:
         web-allow-others: true
   datasource:
     driverClassName: org.h2.Driver
-    url: jdbc:h2:classpath:/storages/dfxagent
+    #url: jdbc:h2:classpath:/storages/dfxagent
+    url: jdbc:h2:~/dfxagent
     username: smbaek
     password: qortpals1!
 logging: