diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/config/AsyncExceptionHandler.java b/core/core-api/src/main/java/io/dodn/springboot/core/api/config/AsyncExceptionHandler.java
index 0ac2863..8697ca4 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/config/AsyncExceptionHandler.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/api/config/AsyncExceptionHandler.java
@@ -1,6 +1,6 @@
 package io.dodn.springboot.core.api.config;
 
-import io.dodn.springboot.core.api.support.error.CoreApiException;
+import io.dodn.springboot.core.support.error.CoreException;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -14,11 +14,11 @@ public class AsyncExceptionHandler implements AsyncUncaughtExceptionHandler {
 
     @Override
     public void handleUncaughtException(Throwable e, Method method, Object... params) {
-        if (e instanceof CoreApiException) {
-            switch (((CoreApiException) e).getErrorType().getLogLevel()) {
-                case ERROR -> log.error("CoreApiException : {}", e.getMessage(), e);
-                case WARN -> log.warn("CoreApiException : {}", e.getMessage(), e);
-                default -> log.info("CoreApiException : {}", e.getMessage(), e);
+        if (e instanceof CoreException) {
+            switch (((CoreException) e).getErrorType().getLogLevel()) {
+                case ERROR -> log.error("CoreException : {}", e.getMessage(), e);
+                case WARN -> log.warn("CoreException : {}", e.getMessage(), e);
+                default -> log.info("CoreException : {}", e.getMessage(), e);
             }
         }
         else {
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/ApiControllerAdvice.java b/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/ApiControllerAdvice.java
index e8cc2f8..6f73e54 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/ApiControllerAdvice.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/ApiControllerAdvice.java
@@ -1,8 +1,8 @@
 package io.dodn.springboot.core.api.controller;
 
-import io.dodn.springboot.core.api.support.error.CoreApiException;
-import io.dodn.springboot.core.api.support.error.ErrorType;
-import io.dodn.springboot.core.api.support.response.ApiResponse;
+import io.dodn.springboot.core.support.error.CoreException;
+import io.dodn.springboot.core.support.error.ErrorType;
+import io.dodn.springboot.core.support.response.ApiResponse;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -15,12 +15,12 @@ public class ApiControllerAdvice {
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
-    @ExceptionHandler(CoreApiException.class)
-    public ResponseEntity<ApiResponse<?>> handleCoreApiException(CoreApiException e) {
+    @ExceptionHandler(CoreException.class)
+    public ResponseEntity<ApiResponse<?>> handleCoreException(CoreException e) {
         switch (e.getErrorType().getLogLevel()) {
-            case ERROR -> log.error("CoreApiException : {}", e.getMessage(), e);
-            case WARN -> log.warn("CoreApiException : {}", e.getMessage(), e);
-            default -> log.info("CoreApiException : {}", e.getMessage(), e);
+            case ERROR -> log.error("CoreException : {}", e.getMessage(), e);
+            case WARN -> log.warn("CoreException : {}", e.getMessage(), e);
+            default -> log.info("CoreException : {}", e.getMessage(), e);
         }
         return new ResponseEntity<>(ApiResponse.error(e.getErrorType(), e.getData()), e.getErrorType().getStatus());
     }
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/v1/ExampleController.java b/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/v1/ExampleController.java
index 453240f..8391b97 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/v1/ExampleController.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/api/controller/v1/ExampleController.java
@@ -5,7 +5,7 @@
 import io.dodn.springboot.core.domain.ExampleData;
 import io.dodn.springboot.core.domain.ExampleResult;
 import io.dodn.springboot.core.domain.ExampleService;
-import io.dodn.springboot.core.api.support.response.ApiResponse;
+import io.dodn.springboot.core.support.response.ApiResponse;
 
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorCode.java b/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorCode.java
deleted file mode 100644
index f42c97d..0000000
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorCode.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.dodn.springboot.core.api.support.error;
-
-public enum ErrorCode {
-
-    E500
-
-}
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ResultType.java b/core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ResultType.java
deleted file mode 100644
index c45bd83..0000000
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ResultType.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.dodn.springboot.core.api.support.response;
-
-public enum ResultType {
-
-    SUCCESS, ERROR
-
-}
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/CoreApiException.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/CoreException.java
similarity index 65%
rename from core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/CoreApiException.java
rename to core/core-api/src/main/java/io/dodn/springboot/core/support/error/CoreException.java
index 109a334..edf2ed8 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/CoreApiException.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/CoreException.java
@@ -1,18 +1,18 @@
-package io.dodn.springboot.core.api.support.error;
+package io.dodn.springboot.core.support.error;
 
-public class CoreApiException extends RuntimeException {
+public class CoreException extends RuntimeException {
 
     private final ErrorType errorType;
 
     private final Object data;
 
-    public CoreApiException(ErrorType errorType) {
+    public CoreException(ErrorType errorType) {
         super(errorType.getMessage());
         this.errorType = errorType;
         this.data = null;
     }
 
-    public CoreApiException(ErrorType errorType, Object data) {
+    public CoreException(ErrorType errorType, Object data) {
         super(errorType.getMessage());
         this.errorType = errorType;
         this.data = data;
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorCode.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorCode.java
new file mode 100644
index 0000000..2fe34d7
--- /dev/null
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorCode.java
@@ -0,0 +1,7 @@
+package io.dodn.springboot.core.support.error;
+
+public enum ErrorCode {
+
+    E500
+
+}
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorMessage.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorMessage.java
similarity index 92%
rename from core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorMessage.java
rename to core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorMessage.java
index d13c23f..feecfb0 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorMessage.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorMessage.java
@@ -1,4 +1,4 @@
-package io.dodn.springboot.core.api.support.error;
+package io.dodn.springboot.core.support.error;
 
 public class ErrorMessage {
 
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorType.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorType.java
similarity index 94%
rename from core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorType.java
rename to core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorType.java
index 00a0930..7ac4d9c 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/error/ErrorType.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/error/ErrorType.java
@@ -1,4 +1,4 @@
-package io.dodn.springboot.core.api.support.error;
+package io.dodn.springboot.core.support.error;
 
 import org.springframework.boot.logging.LogLevel;
 import org.springframework.http.HttpStatus;
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ApiResponse.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/response/ApiResponse.java
similarity index 85%
rename from core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ApiResponse.java
rename to core/core-api/src/main/java/io/dodn/springboot/core/support/response/ApiResponse.java
index 864a107..a304c1f 100644
--- a/core/core-api/src/main/java/io/dodn/springboot/core/api/support/response/ApiResponse.java
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/response/ApiResponse.java
@@ -1,7 +1,7 @@
-package io.dodn.springboot.core.api.support.response;
+package io.dodn.springboot.core.support.response;
 
-import io.dodn.springboot.core.api.support.error.ErrorMessage;
-import io.dodn.springboot.core.api.support.error.ErrorType;
+import io.dodn.springboot.core.support.error.ErrorMessage;
+import io.dodn.springboot.core.support.error.ErrorType;
 
 public class ApiResponse<S> {
 
diff --git a/core/core-api/src/main/java/io/dodn/springboot/core/support/response/ResultType.java b/core/core-api/src/main/java/io/dodn/springboot/core/support/response/ResultType.java
new file mode 100644
index 0000000..53cbb98
--- /dev/null
+++ b/core/core-api/src/main/java/io/dodn/springboot/core/support/response/ResultType.java
@@ -0,0 +1,7 @@
+package io.dodn.springboot.core.support.response;
+
+public enum ResultType {
+
+    SUCCESS, ERROR
+
+}