diff --git a/src/modules/restaurants/controllers/restaurants.controller.ts b/src/modules/restaurants/controllers/restaurants.controller.ts
index 2fc94e9..4687119 100644
--- a/src/modules/restaurants/controllers/restaurants.controller.ts
+++ b/src/modules/restaurants/controllers/restaurants.controller.ts
@@ -77,6 +77,7 @@ export class RestaurantsController {
   @ApiOperation({ summary: 'Create a new restaurant' })
   @Post('super-admin/restaurants')
   createRestaurant(@Body() createRestaurantDto: CreateRestaurantDto) {
+      console.log('create rest')
     return this.restaurantsService.create(createRestaurantDto);
   }
 
diff --git a/src/modules/restaurants/dto/create-restaurant.dto.ts b/src/modules/restaurants/dto/create-restaurant.dto.ts
index 6117347..50f1f9d 100644
--- a/src/modules/restaurants/dto/create-restaurant.dto.ts
+++ b/src/modules/restaurants/dto/create-restaurant.dto.ts
@@ -1,5 +1,6 @@
 import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
 import { IsString, IsOptional, IsNumber, IsDate } from 'class-validator';
+import { Type } from 'class-transformer';
 
 export class CreateRestaurantDto {
   @ApiProperty({ example: 'کافه ژیوان', description: 'نام رستوران' })
@@ -13,22 +14,24 @@ export class CreateRestaurantDto {
   @ApiPropertyOptional({ example: 2020, description: 'سال تأسیس' })
   @IsOptional()
   @IsNumber()
-  establishedYear?: number;
+  establishedYear: number;
 
   @ApiPropertyOptional({ example: '09123456789', description: 'شماره تلفن' })
   @IsOptional()
   @IsString()
-  phone?: string;
+  phone: string;
 
   @ApiProperty({ example: 'sub_1234567890', description: 'شناسه اشتراک' })
   @IsString()
   subscriptionId!: string;
 
   @ApiProperty({ example: '2025-12-26', description: 'تاریخ انقضای اشتراک' })
+  @Type(() => Date)
   @IsDate()
   subscriptionEndDate!: Date;
 
   @ApiProperty({ example: '2025-12-26', description: 'تاریخ شروع اشتراک' })
+  @Type(() => Date)
   @IsDate()
   subscriptionStartDate!: Date;
 
diff --git a/src/modules/restaurants/providers/restaurants.service.ts b/src/modules/restaurants/providers/restaurants.service.ts
index 4911c2a..924f2c8 100644
--- a/src/modules/restaurants/providers/restaurants.service.ts
+++ b/src/modules/restaurants/providers/restaurants.service.ts
@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from '@nestjs/common';
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
 import { CreateRestaurantDto } from '../dto/create-restaurant.dto';
 import { UpdateRestaurantDto } from '../dto/update-restaurant.dto';
 import { Restaurant } from '../entities/restaurant.entity';
@@ -17,6 +17,14 @@ export class RestaurantsService {
   ) { }
 
   async create(dto: CreateRestaurantDto): Promise<Restaurant> {
+    const validateSlug = await this.em.findOne(Restaurant, { slug: dto.slug })
+    if (validateSlug) {
+      throw new BadRequestException("Duplicate slug: " + dto.slug)
+    }
+    const validateSubscriptionId = await this.em.findOne(Restaurant, { subscriptionId: dto.subscriptionId })
+    if (validateSubscriptionId) {
+      throw new BadRequestException("Duplicate subscriptionId: " + dto.subscriptionId)
+    }
     const restaurant = this.em.create(Restaurant, {
       name: dto.name,
       slug: dto.slug,