diff --git a/README.md b/README.md
index 045acd7..67466fb 100644
--- a/README.md
+++ b/README.md
@@ -136,8 +136,8 @@
 | `app/Task/`            | 文件夹   | 异步任务，配合 Scheduler 使用           |
 | `app/Utils/`           | 文件夹   | 独立于业务的工具逻辑封装                   |
 
-- 代码调用层级：Controller → Repository → Service → Model
-- Repository 不直接操作 DB，由 Service 统一调用 Model
+- 代码调用层级：Controller → Repository → Dao → Service → Model
+- Repository 不直接操作 DB，由 Dao 统一调用 Model
 
 ### 6.3 命名与依赖注入
 
@@ -146,19 +146,33 @@
 
 ### 6.4 响应与日志规范
 
-- 统一响应出口：`App\Core\Response`
+- 统一响应出口：`App\Utils`
 - 示例代码：
 
 ```php
-namespace App\Core;
+namespace App\Utils;
 
 class Response {
-    public static function success($data = null, $msg = 'OK', $code = 0): array {
-        return compact('code', 'msg', 'data');
+    public function success(array $data = [], string $message = 'Success', int $code = 200): Response
+    {
+        $result = [
+            'code' => $code,
+            'message' => $message,
+            'data' => $data,
+        ];
+
+        return self::jsonResponse($result);
     }
 
-    public static function error($code = -1, $msg = 'Error', $data = null): array {
-        return compact('code', 'msg', 'data');
+    public function error(string $message, int $code = 0, $data = null): Response
+    {
+        $result = [
+            'code' => $code,
+            'message' => $message,
+            'data' => $data,
+        ];
+
+        return self::jsonResponse($result);
     }
 }
 ```