diff --git a/src/main/java/io/spring/application/ArticleQueryService.java b/src/main/java/io/spring/application/ArticleQueryService.java
index 0e82cae..110329b 100644
--- a/src/main/java/io/spring/application/ArticleQueryService.java
+++ b/src/main/java/io/spring/application/ArticleQueryService.java
@@ -2,11 +2,10 @@ package io.spring.application;
 
 import io.spring.application.data.ArticleData;
 import io.spring.application.data.ArticleDataList;
-import io.spring.infrastructure.mybatis.readservice.UserRelationshipQueryService;
 import io.spring.core.user.User;
 import io.spring.infrastructure.mybatis.readservice.ArticleReadService;
-import lombok.Data;
-import lombok.NoArgsConstructor;
+import io.spring.infrastructure.mybatis.readservice.UserRelationshipQueryService;
+import lombok.Value;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -130,9 +129,8 @@ public class ArticleQueryService {
     }
 }
 
-@Data
-@NoArgsConstructor
+@Value
 class ArticleFavoriteCount {
     private String id;
-    private int count;
+    private Integer count;
 }
\ No newline at end of file
diff --git a/src/main/resources/mapper/ArticleFavoritesQueryService.xml b/src/main/resources/mapper/ArticleFavoritesQueryService.xml
index faf7340..e7247b8 100644
--- a/src/main/resources/mapper/ArticleFavoritesQueryService.xml
+++ b/src/main/resources/mapper/ArticleFavoritesQueryService.xml
@@ -7,7 +7,7 @@
     <select id="articleFavoriteCount" resultType="java.lang.Integer">
         select count(1) from article_favorites where article_id = #{articleId}
     </select>
-    <select id="articlesFavoriteCount" resultMap="favoriteCount">
+    <select id="articlesFavoriteCount" resultMap="transfer.data.favoriteCount">
         select A.id, count(AF.user_id) as favoriteCount from articles A
         left join article_favorites AF on A.id = AF.article_id
         where id in
@@ -27,10 +27,4 @@
         </foreach>
         and AF.user_id = #{currentUser.id}
     </select>
-
-    <resultMap id="favoriteCount" type="io.spring.application.ArticleFavoriteCount">
-        <id column="id" property="id"/>
-        <result column="favoriteCount" property="count"/>
-    </resultMap>
-
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/ArticleReadService.xml b/src/main/resources/mapper/ArticleReadService.xml
index cde823b..d7819a3 100644
--- a/src/main/resources/mapper/ArticleReadService.xml
+++ b/src/main/resources/mapper/ArticleReadService.xml
@@ -25,11 +25,11 @@
         left join users U on U.id = A.user_id
     </sql>
 
-    <select id="findById" resultMap="articleData">
+    <select id="findById" resultMap="transfer.data.articleData">
         <include refid="selectArticleData"/>
         where A.id = #{id}
     </select>
-    <select id="findBySlug" resultMap="articleData">
+    <select id="findBySlug" resultMap="transfer.data.articleData">
         <include refid="selectArticleData"/>
         where A.slug = #{slug}
     </select>
@@ -79,7 +79,7 @@
             </if>
         </where>
     </select>
-    <select id="findArticles" resultMap="articleData">
+    <select id="findArticles" resultMap="transfer.data.articleData">
         <include refid="selectArticleData"/>
         where A.id in
         <foreach index="index" collection="articleIds" item="id" open="(" separator="," close=")">
@@ -87,7 +87,7 @@
         </foreach>
         order by A.created_at desc
     </select>
-    <select id="findArticlesOfAuthors" resultMap="articleData">
+    <select id="findArticlesOfAuthors" resultMap="transfer.data.articleData">
         <include refid="selectArticleData"/>
         where A.user_id in
         <foreach index="index" collection="authors" item="id" open="(" separator="," close=")">
@@ -105,25 +105,4 @@
     <resultMap id="articleId" type="string">
         <id javaType="string" column="articleId"/>
     </resultMap>
-
-    <resultMap id="articleData" type="io.spring.application.data.ArticleData">
-        <id column="articleId" property="id"/>
-        <result column="articleSlug" property="slug"/>
-        <result column="articleTitle" property="title"/>
-        <result column="articleDescription" property="description"/>
-        <result column="articleBody" property="body"/>
-        <result column="articleCreatedAt" property="createdAt"/>
-        <result column="articleUpdatedAt" property="updatedAt"/>
-        <association property="profileData" resultMap="profileData"/>
-        <collection property="tagList" javaType="list" ofType="string">
-            <result column="tagName"/>
-        </collection>
-    </resultMap>
-
-    <resultMap id="profileData" type="io.spring.application.data.ProfileData">
-        <id column="userId" property="id"/>
-        <result column="userUsername" property="username"/>
-        <result column="userBio" property="bio"/>
-        <result column="userImage" property="image"/>
-    </resultMap>
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/CommentReadService.xml b/src/main/resources/mapper/CommentReadService.xml
index 06e8763..1e47227 100644
--- a/src/main/resources/mapper/CommentReadService.xml
+++ b/src/main/resources/mapper/CommentReadService.xml
@@ -12,20 +12,12 @@
         on C.user_id = U.id
     </sql>
 
-    <select id="findById" resultMap="commentData">
+    <select id="findById" resultMap="transfer.data.commentData">
         <include refid="selectCommentData"/>
         where C.id = #{id}
     </select>
-    <select id="findByArticleId" resultMap="commentData">
+    <select id="findByArticleId" resultMap="transfer.data.commentData">
         <include refid="selectCommentData"/>
         where C.article_id = #{articleId}
     </select>
-
-    <resultMap id="commentData" type="io.spring.application.data.CommentData">
-        <id column="commentId" property="id"/>
-        <result column="commentBody" property="body"/>
-        <result column="commentCreatedAt" property="createdAt"/>
-        <result column="commentCreatedAt" property="updatedAt"/>
-        <association property="profileData" resultMap="io.spring.infrastructure.mybatis.readservice.ArticleReadService.profileData"/>
-    </resultMap>
 </mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/TransferData.xml b/src/main/resources/mapper/TransferData.xml
new file mode 100644
index 0000000..719486c
--- /dev/null
+++ b/src/main/resources/mapper/TransferData.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="transfer.data">
+    <resultMap id="favoriteCount" type="io.spring.application.ArticleFavoriteCount">
+        <constructor>
+            <idArg column="id" javaType="string"/>
+            <arg column="favoriteCount" javaType="integer"/>
+        </constructor>
+    </resultMap>
+
+    <resultMap id="profileData" type="io.spring.application.data.ProfileData">
+        <id column="userId" property="id"/>
+        <result column="userUsername" property="username"/>
+        <result column="userBio" property="bio"/>
+        <result column="userImage" property="image"/>
+    </resultMap>
+
+    <resultMap id="articleData" type="io.spring.application.data.ArticleData">
+        <id column="articleId" property="id"/>
+        <result column="articleSlug" property="slug"/>
+        <result column="articleTitle" property="title"/>
+        <result column="articleDescription" property="description"/>
+        <result column="articleBody" property="body"/>
+        <result column="articleCreatedAt" property="createdAt"/>
+        <result column="articleUpdatedAt" property="updatedAt"/>
+        <association property="profileData" resultMap="transfer.data.profileData"/>
+        <collection property="tagList" javaType="list" ofType="string">
+            <result column="tagName"/>
+        </collection>
+    </resultMap>
+
+    <resultMap id="commentData" type="io.spring.application.data.CommentData">
+        <id column="commentId" property="id"/>
+        <result column="commentBody" property="body"/>
+        <result column="commentCreatedAt" property="createdAt"/>
+        <result column="commentCreatedAt" property="updatedAt"/>
+        <association property="profileData" resultMap="profileData"/>
+    </resultMap>
+</mapper>
\ No newline at end of file