diff --git a/ars/src/apis/auth/auth.service.ts b/ars/src/apis/auth/auth.service.ts
index 44e3d73..e5dc61e 100644
--- a/ars/src/apis/auth/auth.service.ts
+++ b/ars/src/apis/auth/auth.service.ts
@@ -22,7 +22,7 @@ export class AuthService {
       { email: user.email, sub: user.id },
       { secret: process.env.REFRESH_TOKEN_KEY, expiresIn: '8h' },
     );
-    res.setHeader('Access-Control-Allow-Origin', 'https://artipul.shop');
+    res.setHeader('Access-Control-Allow-Origin', 'http://localhost:3000');
     res.setHeader(
       'Set-Cookie',
       `refreshToken=${refreshToken}; path=/; domain=.daseul.shop; SameSite=None; Secure;httpOnly;`,
diff --git a/ars/src/apis/board/board.service.ts b/ars/src/apis/board/board.service.ts
index 81640fb..bfa038f 100644
--- a/ars/src/apis/board/board.service.ts
+++ b/ars/src/apis/board/board.service.ts
@@ -98,10 +98,13 @@ export class BoardService {
     await queryRunner.startTransaction();
     try {
       const board = await queryRunner.manager.findOne(Board, { id: boardId });
+      const user = await queryRunner.manager.findOne(User, {
+        id: currentUser.id,
+      });
       const result = await queryRunner.manager.save(Board, {
         ...board,
         ...rest,
-        user: currentUser,
+        user: user,
         thumbnail: image_urls[0],
       });
 
diff --git a/ars/src/apis/comment/comment.service.ts b/ars/src/apis/comment/comment.service.ts
index 2b13b9c..347942e 100644
--- a/ars/src/apis/comment/comment.service.ts
+++ b/ars/src/apis/comment/comment.service.ts
@@ -25,10 +25,13 @@ export class CommentService {
     await queryRunner.startTransaction();
     try {
       const board = await queryRunner.manager.findOne(Board, { id: boardId });
+      const user = await queryRunner.manager.findOne(User, {
+        id: currentUser.id,
+      });
       const comment = await queryRunner.manager.save(Comment, {
         content,
         board,
-        user: currentUser,
+        user: user,
       });
       await queryRunner.commitTransaction();
       return comment;
diff --git a/ars/src/apis/likeBoard/likeBoard.service.ts b/ars/src/apis/likeBoard/likeBoard.service.ts
index 1c802cb..d56c72f 100644
--- a/ars/src/apis/likeBoard/likeBoard.service.ts
+++ b/ars/src/apis/likeBoard/likeBoard.service.ts
@@ -1,36 +1,66 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
+import { Connection, getRepository, Repository } from 'typeorm';
+import { Board } from '../board/entities/board.entity';
 import { LikeBoard } from '../board/entities/likeBoard.entity';
+import { User } from '../user/entities/user.entity';
 
 @Injectable()
 export class LikeBoardService {
   constructor(
     @InjectRepository(LikeBoard)
     private readonly likeBoardRepository: Repository<LikeBoard>,
+
+    private readonly connection: Connection,
   ) {}
 
   async find(userId) {
-    const arts = await this.likeBoardRepository.find({ userId: userId });
-    return arts.map((ele) => ele.board);
+    const queryRunner = this.connection.createQueryRunner();
+    await queryRunner.connect();
+    await queryRunner.startTransaction();
+    try {
+      const boards = await queryRunner.manager.find(LikeBoard, {
+        where: { userId },
+        relations: ['board'],
+      });
+      return boards.map((ele) => ele.board);
+    } catch (error) {
+      await queryRunner.rollbackTransaction();
+      throw error + 'find board!!!';
+    } finally {
+      await queryRunner.manager.release();
+    }
   }
 
   async like(boardId, userId) {
+    const queryRunner = this.connection.createQueryRunner();
+    await queryRunner.connect();
+    await queryRunner.startTransaction();
     try {
-      const prevLike = await this.likeBoardRepository.findOne({
-        userId: userId,
-      });
-      if (prevLike.board !== boardId) {
-        await this.likeBoardRepository.save({
+      const board = await queryRunner.manager.findOne(Board, { id: boardId });
+      const prevLike = await queryRunner.manager.findOne(LikeBoard, {
+        where: {
           userId: userId,
           board: boardId,
+        },
+      });
+      if (!prevLike) {
+        await queryRunner.manager.save(LikeBoard, {
+          userId: userId,
+          board: board,
         });
+        await queryRunner.commitTransaction();
+        return true;
       } else {
-        await this.likeBoardRepository.delete({ userId: userId });
+        await queryRunner.manager.delete(LikeBoard, { board: boardId });
+        await queryRunner.commitTransaction();
+        return false;
       }
-      return true;
     } catch (error) {
+      await queryRunner.rollbackTransaction();
       throw error + 'like board!!!';
+    } finally {
+      await queryRunner.manager.release();
     }
   }