diff --git a/spring-boot/SKILL.md b/spring-boot/SKILL.md
index be4663f..2dee2f0 100644
--- a/spring-boot/SKILL.md
+++ b/spring-boot/SKILL.md
@@ -507,14 +507,14 @@ A protected no-arg constructor is required by JPA. Static factories (`fromReques
 public interface UserMapper {
 
     @Select("""
-        SELECT id, email, display_name AS displayName, status, created_at AS createdAt
+        SELECT id, email, display_name, status, created_at
         FROM users
         WHERE id = #{id}
         """)
     Optional<UserEntity> findById(Long id);
 
     @Select("""
-        SELECT id, email, display_name AS displayName, status, created_at AS createdAt
+        SELECT id, email, display_name, status, created_at
         FROM users
         <where>
           <if test="email != null">AND email LIKE CONCAT('%', #{email}, '%')</if>
@@ -780,12 +780,13 @@ com.example.app/
 │   └── UserMapper.java                      (MyBatis, when needed)
 ├── entity/
 │   └── UserEntity.java
-├── request/
-│   ├── CreateUserRequest.java
-│   ├── UpdateUserRequest.java
-│   └── UserSearchCriteria.java
-├── response/
-│   └── UserResponse.java
+├── domain/
+│   ├── request/
+│   │   ├── CreateUserRequest.java
+│   │   ├── UpdateUserRequest.java
+│   │   └── UserSearchCriteria.java
+│   └── response/
+│       └── UserResponse.java
 └── enums/
     └── UserStatus.java
 ```
@@ -822,4 +823,3 @@ public class App {
 - Spring Data JPA Reference
 - Jakarta Bean Validation 3.0
 - springdoc-openapi 2.x
-- 阿里巴巴《Java 开发手册》(层结构、Manager/Client 命名来源)