diff --git a/packages/backend/src/toeic/dto/patch-quesion.dto.ts b/packages/backend/src/toeic/dto/patch-quesion.dto.ts
index c443836..7d2f018 100644
--- a/packages/backend/src/toeic/dto/patch-quesion.dto.ts
+++ b/packages/backend/src/toeic/dto/patch-quesion.dto.ts
@@ -40,6 +40,8 @@ export class PatchToeicWithQuestion implements ToeicReqBodyProps {
 
   @ApiProperty({
     description: '토익 문제입니다.',
+    isArray: true,
+    type: () => PatchQuestion,
   })
   @IsArray()
   @ValidateNested({ each: true })
diff --git a/packages/backend/src/toeic/toeic.service.ts b/packages/backend/src/toeic/toeic.service.ts
index f38c60d..9356b6e 100644
--- a/packages/backend/src/toeic/toeic.service.ts
+++ b/packages/backend/src/toeic/toeic.service.ts
@@ -7,10 +7,7 @@ import { PatchQuestionToEntity, ToeicWhereInputProps } from './toeic.interface';
 export class ToeicService {
   constructor(private prisma: PrismaService) {}
 
-  async createToeic(
-    filename: string,
-    questionInSheet: UploadedQuestionInSheet,
-  ) {
+  createToeic(filename: string, questionInSheet: UploadedQuestionInSheet) {
     return this.prisma.toeic.create({
       data: {
         filename,
@@ -22,11 +19,11 @@ export class ToeicService {
     });
   }
 
-  async findAllToeic(where: ToeicWhereInputProps) {
+  findAllToeic(where: ToeicWhereInputProps) {
     return this.prisma.toeic.findMany({ where });
   }
 
-  async findToeicUnique(id: number) {
+  findToeicUnique(id: number) {
     return this.prisma.toeic.findUniqueOrThrow({
       where: {
         id,
@@ -37,7 +34,7 @@ export class ToeicService {
     });
   }
 
-  async deleteToeicUnique(id: number) {
+  deleteToeicUnique(id: number) {
     return this.prisma.toeic.update({
       where: {
         id,
@@ -48,7 +45,7 @@ export class ToeicService {
     });
   }
 
-  async updateToeicUnique(id: number, data: PatchQuestionToEntity) {
+  updateToeicUnique(id: number, data: PatchQuestionToEntity) {
     return this.prisma.toeic.update({
       where: {
         id,
@@ -57,7 +54,7 @@ export class ToeicService {
     });
   }
 
-  async findQuestionUnique(uuid: string) {
+  findQuestionUnique(uuid: string) {
     return this.prisma.question.findUniqueOrThrow({
       where: {
         id: uuid,
diff --git a/packages/backend/src/upload/pipe/workbook.pipe.ts b/packages/backend/src/upload/pipe/workbook.pipe.ts
index 2846ee7..f7a36c4 100644
--- a/packages/backend/src/upload/pipe/workbook.pipe.ts
+++ b/packages/backend/src/upload/pipe/workbook.pipe.ts
@@ -13,7 +13,7 @@ import { QuestionInFile } from '../upload.interface';
 export class ParseWorkbookPipe
   implements PipeTransform<Express.Multer.File, Promise<QuestionInFile>>
 {
-  private readonly uploadService = new UploadService();
+  constructor(private readonly uploadService: UploadService) {}
 
   async transform(value: Express.Multer.File) {
     const workbook = readFile(value.path);
diff --git a/packages/backend/src/upload/upload.controller.ts b/packages/backend/src/upload/upload.controller.ts
index e6278cd..4a59c7d 100644
--- a/packages/backend/src/upload/upload.controller.ts
+++ b/packages/backend/src/upload/upload.controller.ts
@@ -35,7 +35,7 @@ export class UploadController {
       new ParseFilePipe({
         validators: [new FileTypeValidator({ fileType: 'sheet' })],
       }),
-      new ParseWorkbookPipe(),
+      ParseWorkbookPipe,
     )
     file: QuestionInFile,
   ) {