diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 770b5ec..8215199 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -1,6 +1,4 @@
 import { Module } from '@nestjs/common';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { typeORMConfig } from './configs/typeorm.config';
 import { UsersModule } from './user/user.module';
diff --git a/backend/src/configs/typeorm.config.ts b/backend/src/configs/typeorm.config.ts
index af9959b..78bbc9e 100644
--- a/backend/src/configs/typeorm.config.ts
+++ b/backend/src/configs/typeorm.config.ts
@@ -1,7 +1,9 @@
 import { TypeOrmModuleOptions } from '@nestjs/typeorm';
 import { config } from 'dotenv';
 
-if (process.env.NODE_ENV === 'dev') {config()}
+if (process.env.NODE_ENV === 'dev') {
+    config();
+}
 
 export const typeORMConfig: TypeOrmModuleOptions = {
     type: 'mysql',
diff --git a/backend/src/exceptions/exception.fillter.ts b/backend/src/exceptions/exception.fillter.ts
index e423428..66b0888 100644
--- a/backend/src/exceptions/exception.fillter.ts
+++ b/backend/src/exceptions/exception.fillter.ts
@@ -14,7 +14,7 @@ export class DuplicateEmailExceptionFilter implements ExceptionFilter {
                 message: '이메일 중복',
             });
             return;
-        } 
+        }
         if (exception instanceof ValidationException) {
             response.status(HttpStatus.INTERNAL_SERVER_ERROR).json({
                 statusCode: exception.getStatus(),
diff --git a/backend/src/exceptions/validation.exception.ts b/backend/src/exceptions/validation.exception.ts
index aeff67f..777bc50 100644
--- a/backend/src/exceptions/validation.exception.ts
+++ b/backend/src/exceptions/validation.exception.ts
@@ -2,10 +2,10 @@ import { BadRequestException, HttpStatus } from '@nestjs/common';
 
 export class ValidationException extends BadRequestException {
     constructor(message: string) {
-        super({ statusCode: HttpStatus.BAD_REQUEST, message});
+        super({ statusCode: HttpStatus.BAD_REQUEST, message });
     }
 
     getMessage() {
         return this.message;
     }
-}
\ No newline at end of file
+}
diff --git a/backend/src/exceptions/validation.user.pipe.ts b/backend/src/exceptions/validation.user.pipe.ts
index 02f2e83..a75d119 100644
--- a/backend/src/exceptions/validation.user.pipe.ts
+++ b/backend/src/exceptions/validation.user.pipe.ts
@@ -1,15 +1,15 @@
-import { ValidationPipe } from "@nestjs/common";
-import { ValidationException } from "./validation.exception";
+import { ValidationPipe } from '@nestjs/common';
+import { ValidationException } from './validation.exception';
 
-export class UserValidationPipe  extends ValidationPipe {
+export class UserValidationPipe extends ValidationPipe {
     exceptionFactory = (errors: any[]) => {
-        const customErrors = errors.map((error) => {
-          return {
-            property: error.property,
-            constraints: error.constraints,
-            message: 'Custom validation error message',
-          };
+        errors.map((error) => {
+            return {
+                property: error.property,
+                constraints: error.constraints,
+                message: 'Custom validation error message',
+            };
         });
         throw new ValidationException('입력 값이 유효하지 않습니다');
     };
-}
\ No newline at end of file
+}
diff --git a/backend/src/user/user.controller.ts b/backend/src/user/user.controller.ts
index 039db23..074722d 100644
--- a/backend/src/user/user.controller.ts
+++ b/backend/src/user/user.controller.ts
@@ -1,4 +1,4 @@
-import { Body, Controller, Post, HttpStatus, UseFilters, UsePipes, ValidationPipe } from '@nestjs/common';
+import { Body, Controller, Post, HttpStatus, UseFilters, UsePipes } from '@nestjs/common';
 import { UsersService } from './user.service';
 import { UserDto } from './dto/user.dto';
 import { DuplicateEmailExceptionFilter } from 'src/exceptions/exception.fillter';
@@ -11,7 +11,7 @@ export class UsersController {
 
     @Post('register')
     @UsePipes(new UserValidationPipe())
-    async registerUser(@Body() userDto: UserDto): Promise<{ statusCode: number, message: string }> {
+    async registerUser(@Body() userDto: UserDto): Promise<{ statusCode: number; message: string }> {
         await this.userService.registerUser(userDto);
         return { statusCode: HttpStatus.OK, message: '회원가입 성공' };
     }