diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/config/MessageSourceConfig.java b/app/kac-app/src/main/java/kr/co/palnet/kac/app/config/MessageSourceConfig.java
new file mode 100644
index 0000000..4d2f3ec
--- /dev/null
+++ b/app/kac-app/src/main/java/kr/co/palnet/kac/app/config/MessageSourceConfig.java
@@ -0,0 +1,31 @@
+package kr.co.palnet.kac.app.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.MessageSource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.context.support.MessageSourceAccessor;
+import org.springframework.context.support.ReloadableResourceBundleMessageSource;
+
+@Slf4j
+@Configuration
+public class MessageSourceConfig {
+
+    @Bean(name = "errorMessageSource")
+    public MessageSource getErrorMessageSource() {
+        log.debug("===>> error message source local : {} ", LocaleContextHolder.getLocale());
+        ReloadableResourceBundleMessageSource errorMessageSource = new ReloadableResourceBundleMessageSource();
+        errorMessageSource.setBasenames("classpath:messages/errors/error");
+        errorMessageSource.setDefaultEncoding("UTF-8");
+        errorMessageSource.setCacheSeconds(300);
+        return errorMessageSource;
+    }
+
+    @Bean(name = "errorMessageSourceAccessor")
+    public MessageSourceAccessor errorMessageSourceAccessor(@Qualifier("errorMessageSource") MessageSource errorMessageSource) {
+        log.debug("===>> error message source accessor local : {} ", LocaleContextHolder.getLocale());
+        return new MessageSourceAccessor(errorMessageSource);
+    }
+}
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/PingController.java b/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/PingController.java
index fdff5ec..913a29f 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/PingController.java
+++ b/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/PingController.java
@@ -1,13 +1,9 @@
 package kr.co.palnet.kac.app.ping.controller;
 
-import jakarta.servlet.http.HttpServletRequest;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.util.Locale;
-
 @Slf4j
 @RestController
 public class PingController {
@@ -17,10 +13,4 @@ public class PingController {
         return "pong";
     }
 
-    @GetMapping("/test")
-    public String test() {
-        Locale locale = LocaleContextHolder.getLocale();
-        log.info(locale.toString());
-        return locale.toString();
-    }
 }
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/QueryRepository.java b/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/QueryRepository.java
deleted file mode 100644
index 02d0aab..0000000
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/ping/controller/QueryRepository.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package kr.co.palnet.kac.app.ping.controller;
-
-import com.querydsl.jpa.impl.JPAQueryFactory;
-import kr.co.palnet.kac.data.com.model.QComArcrftBas;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.stereotype.Repository;
-
-@Slf4j
-@RequiredArgsConstructor
-@Repository
-public class QueryRepository {
-    private final JPAQueryFactory query;
-
-    public void test() {
-        QComArcrftBas bas = QComArcrftBas.comArcrftBas;
-        query.select(bas).from(bas).fetch();
-    }
-}
diff --git a/app/kac-app/src/main/java/lombok.config b/app/kac-app/src/main/java/lombok.config
new file mode 100644
index 0000000..eb6db90
--- /dev/null
+++ b/app/kac-app/src/main/java/lombok.config
@@ -0,0 +1 @@
+lombok.copyableAnnotations += org.springframework.beans.factory.annotation.Qualifier
\ No newline at end of file
diff --git a/app/kac-app/src/main/resources/application.yml b/app/kac-app/src/main/resources/application.yml
index d72bf35..ce2a2e1 100644
--- a/app/kac-app/src/main/resources/application.yml
+++ b/app/kac-app/src/main/resources/application.yml
@@ -14,9 +14,8 @@ spring:
 
 logging:
   level:
-    com:
-      zaxxer:
-        hikari: INFO
+    kr.co.palnet: DEBUG
+    com.com.zaxxer.hikari: INFO
     jdbc:
       audit: OFF
       resultset: OFF
@@ -24,10 +23,6 @@ logging:
       sqlonly: OFF     #SQL만 로그로 남긴다.
       sqltiming: INFO    #SQL과 소요시간을 표기한다.
       connection : OFF  # 커넥션 확인가능
-    org:
-      hibernate:
-        SQL: DEBUG
-        type:
-          descriptor:
-            sql:
-              BasicBinder: TRACE
\ No newline at end of file
+    org.hibernate:
+      SQL: DEBUG
+      type.descriptor.sql.BasicBinder: TRACE
\ No newline at end of file
diff --git a/app/kac-app/src/main/resources/messages/errors/error.properties b/app/kac-app/src/main/resources/messages/errors/error.properties
new file mode 100644
index 0000000..c435a74
--- /dev/null
+++ b/app/kac-app/src/main/resources/messages/errors/error.properties
@@ -0,0 +1,5 @@
+TEST001=\uD14C\uC2A4\uD2B8001
+TEST002=\uD14C\uC2A4\uD2B8002
+TEST003=\uD14C\uC2A4\uD2B8003
+TEST004=\uD14C\uC2A4\uD2B8004
+TEST005=\uD14C\uC2A4\uD2B8005
\ No newline at end of file
diff --git a/app/kac-app/src/main/resources/messages/errors/error_en.properties b/app/kac-app/src/main/resources/messages/errors/error_en.properties
new file mode 100644
index 0000000..26aa42e
--- /dev/null
+++ b/app/kac-app/src/main/resources/messages/errors/error_en.properties
@@ -0,0 +1,5 @@
+TEST001=TEST001
+TEST002=TEST002
+TEST003=TEST003
+TEST004=TEST004
+TEST005=TEST005
\ No newline at end of file
diff --git a/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
index 2ff17fd..8ec41a4 100644
--- a/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
@@ -15,8 +15,6 @@ public class BaseErrorModel {
 
     private String message;
 
-//    private String code;
-//
-//    private String desc;
+    private String code;
 
 }
diff --git a/data/com/build.gradle b/data/com/build.gradle
index 764f250..d19a085 100644
--- a/data/com/build.gradle
+++ b/data/com/build.gradle
@@ -3,7 +3,6 @@
 dependencies {
     implementation "$boot:spring-boot-starter-data-jpa"
 
-//    compileOnly "com.querydsl:querydsl-jpa:5.0.0:jakarta"
     implementation "com.querydsl:querydsl-jpa:5.0.0:jakarta"
     annotationProcessor "com.querydsl:querydsl-apt:5.0.0:jakarta"
     annotationProcessor "jakarta.annotation:jakarta.annotation-api"