diff --git a/router/router.php b/router/apis/api.php
similarity index 90%
rename from router/router.php
rename to router/apis/api.php
index e93f92cb..a80144b6 100644
--- a/router/router.php
+++ b/router/apis/api.php
@@ -13,14 +13,14 @@
  */
 
 /**
- * 路由.
+ * API 定义.
  *
  * - 路由相关主要由路由服务提供者进行设置。
  * - 大部分场景只需要使用基于路径的默认路由，不需要配置路由。
- * - 其他定制路由都是基于 OpenAPI 的路由。
+ * - 1.1.0-alpha.2 之前的版本，定制路由都是基于 OpenAPI 的路由，之后采用 PHP 8 注解实现。
  *
  * @see 路由服务提供者 \Common\Infra\ProviderRouter
- * @see 基于 OpenAPI 的路由 \App\App\Controller\Petstore\Store
+ * @see 基于 PHP 8 注解路由 \App\App\Controller\Petstore\Store
  *
  * @OA\Info(
  *     description="This is a sample Petstore server.  You can find
diff --git a/router/models/Petstore/ApiResponse.php b/router/apis/models/Petstore/ApiResponse.php
similarity index 100%
rename from router/models/Petstore/ApiResponse.php
rename to router/apis/models/Petstore/ApiResponse.php
diff --git a/router/models/Petstore/Category.php b/router/apis/models/Petstore/Category.php
similarity index 100%
rename from router/models/Petstore/Category.php
rename to router/apis/models/Petstore/Category.php
diff --git a/router/models/Petstore/Order.php b/router/apis/models/Petstore/Order.php
similarity index 100%
rename from router/models/Petstore/Order.php
rename to router/apis/models/Petstore/Order.php
diff --git a/router/models/Petstore/Pet.php b/router/apis/models/Petstore/Pet.php
similarity index 100%
rename from router/models/Petstore/Pet.php
rename to router/apis/models/Petstore/Pet.php
diff --git a/router/models/Petstore/RequestBody.php b/router/apis/models/Petstore/RequestBody.php
similarity index 100%
rename from router/models/Petstore/RequestBody.php
rename to router/apis/models/Petstore/RequestBody.php
diff --git a/router/models/Petstore/Tag.php b/router/apis/models/Petstore/Tag.php
similarity index 100%
rename from router/models/Petstore/Tag.php
rename to router/apis/models/Petstore/Tag.php
diff --git a/router/models/Petstore/User.php b/router/apis/models/Petstore/User.php
similarity index 100%
rename from router/models/Petstore/User.php
rename to router/apis/models/Petstore/User.php
diff --git a/router/security.php b/router/apis/security.php
similarity index 100%
rename from router/security.php
rename to router/apis/security.php