diff --git a/src/app.module.ts b/src/app.module.ts
index 4baf777..b262e41 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -16,12 +16,10 @@ import { OrderModule } from './modules/order/order.module';
 import { NotificationsModule } from './modules/notification/notifications.module';
 import { EventEmitterModule } from '@nestjs/event-emitter';
 import { CacheModule } from '@nestjs/cache-manager';
-import { cacheConfig } from './config/cache.config';
 
 @Module({
   imports: [
     ConfigModule.forRoot({ isGlobal: true, cache: true }),
-    CacheModule.registerAsync(cacheConfig()),
     MikroOrmModule.forRootAsync(dataBaseConfig),
     UserModule,
     UtilsModule,
diff --git a/src/common/enums/permission.enum.ts b/src/common/enums/permission.enum.ts
index d931b67..7ae581e 100644
--- a/src/common/enums/permission.enum.ts
+++ b/src/common/enums/permission.enum.ts
@@ -8,6 +8,8 @@ export enum Permission {
   MANAGE_CATEGORIES = 'manage_categories',
 
   // Order Management
+  VIEW_ORDERS='view_orders',
+  ASSIGN_DESIGNER='assign_designer',
   MANAGE_ORDERS = 'manage_orders',
 
   // User & Admin Management
@@ -47,4 +49,6 @@ export const PermissionTitles: Record<Permission, string> = {
   [Permission.MANAGE_SETTINGS]: 'مدیریت تنظیمات',
   [Permission.MANAGE_REPORTS]: 'مدیریت گزارشات',
   [Permission.MANAGE_CONTACTS]: 'مدیریت تماس‌های کاربران',
+  [Permission.VIEW_ORDERS]: "",
+  [Permission.ASSIGN_DESIGNER]: ""
 };
diff --git a/src/config/cache.config.ts b/src/config/cache.config.ts
deleted file mode 100755
index c2134ea..0000000
--- a/src/config/cache.config.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { Keyv } from 'keyv';
-import KeyvRedis from '@keyv/redis';
-import type { CacheModuleAsyncOptions } from '@nestjs/cache-manager';
-import { ConfigService } from '@nestjs/config';
-import { CacheableMemory } from 'cacheable';
-
-export function cacheConfig(): CacheModuleAsyncOptions {
-  return {
-    isGlobal: true,
-    inject: [ConfigService],
-    useFactory: async (configService: ConfigService) => {
-      const redisUri = configService.get('REDIS_URI');
-      const namespace = configService.get('CACHE_NAMESPACE', 'app-cache');
-      const ttl = +configService.get<number>('CACHE_TTL', 3600); //1 hour
-
-      return {
-        stores: [
-          new Keyv({
-            store: new CacheableMemory({ ttl: ttl * 1000, lruSize: 5000 }),
-            namespace: namespace
-          }),
-          new KeyvRedis(redisUri, { namespace: namespace }),
-        ],
-      };
-    },
-  };
-}
\ No newline at end of file
diff --git a/src/modules/auth/auth.module.ts b/src/modules/auth/auth.module.ts
index e6c7277..b356e29 100644
--- a/src/modules/auth/auth.module.ts
+++ b/src/modules/auth/auth.module.ts
@@ -7,12 +7,13 @@ import { JwtModule } from '@nestjs/jwt';
 import { ConfigService } from '@nestjs/config';
 import { AdminModule } from '../admin/admin.module';
 import { TokensService } from './services/tokens.service';
- 
 import { MikroOrmModule } from '@mikro-orm/nestjs';
-import { User } from '../user/entities/user.entity';
 import { AdminAuthGuard } from './guards/adminAuth.guard';
 import { RefreshToken } from './entities/refresh-token.entity';
 import { NotificationsModule } from '../notification/notifications.module';
+import { OtpRepository } from './repository/otp.repository';
+import { OtpService } from './services/otp.service';
+import { Otp } from './entities/otp.entity';
 
 @Module({
   imports: [
@@ -33,13 +34,13 @@ import { NotificationsModule } from '../notification/notifications.module';
       inject: [ConfigService],
     }),
     forwardRef(() => AdminModule),
- 
-    MikroOrmModule.forFeature([User, RefreshToken]),
+
+    MikroOrmModule.forFeature([RefreshToken, Otp]),
     forwardRef(() => NotificationsModule),
 
   ],
   controllers: [AuthController],
-  providers: [AuthService, TokensService, AdminAuthGuard],
+  providers: [AuthService, TokensService, AdminAuthGuard, OtpRepository, OtpService],
   exports: [AdminAuthGuard],
 })
 export class AuthModule { }
diff --git a/src/modules/auth/entities/otp.entity.ts b/src/modules/auth/entities/otp.entity.ts
new file mode 100644
index 0000000..4c78492
--- /dev/null
+++ b/src/modules/auth/entities/otp.entity.ts
@@ -0,0 +1,16 @@
+import { Entity, Index, OptionalProps, PrimaryKey, Property } from '@mikro-orm/core';
+
+@Entity({ tableName: 'otps' })
+@Index({ properties: ['phone'] })
+export class Otp {
+  [OptionalProps]?: 'createdAt'
+
+  @PrimaryKey({ type: 'varchar', })
+  phone!: string;
+
+  @Property()
+  code!: string;
+
+  @Property({ columnType: 'timestamptz' })
+  expiresAt!: Date
+}
diff --git a/src/modules/auth/repository/otp.repository.ts b/src/modules/auth/repository/otp.repository.ts
new file mode 100644
index 0000000..ff241ef
--- /dev/null
+++ b/src/modules/auth/repository/otp.repository.ts
@@ -0,0 +1,14 @@
+import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
+import { Injectable } from '@nestjs/common';
+import { Otp } from '../entities/otp.entity';
+ 
+
+@Injectable()
+export class OtpRepository extends EntityRepository<Otp> {
+  constructor(
+    readonly em: EntityManager,
+  ) {
+    super(em, Otp);
+  }
+
+}
diff --git a/src/modules/auth/services/auth.service.ts b/src/modules/auth/services/auth.service.ts
index b06ad6c..7a48eb3 100644
--- a/src/modules/auth/services/auth.service.ts
+++ b/src/modules/auth/services/auth.service.ts
@@ -1,6 +1,5 @@
 import { Injectable, BadRequestException } from '@nestjs/common';
 import { RequestOtpDto } from '../dto/request-otp.dto';
-import { CacheService } from '../../util/cache.service';
 import { SmsService } from '../../notification/services/sms.service';
 import { UserService } from '../../user/providers/user.service';
 import { randomInt } from 'crypto';
@@ -9,46 +8,35 @@ import { AuthMessage } from 'src/common/enums/message.enum';
 import { AdminRepository } from 'src/modules/admin/repositories/admin.repository';
 import { AdminLoginTransformer } from '../transformers/admin-login.transformer';
 import { UserLoginTransformer } from '../transformers/user-login.transformer';
-import { ConfigService } from '@nestjs/config';
 import { normalizePhone } from '../../util/phone.util';
+import { OtpService } from './otp.service';
 
 @Injectable()
 export class AuthService {
   readonly ADMIN_PERMISSIONS_KEY = 'admin-perms';
-  private OTP_EXPIRATION_TIME: number;
 
   constructor(
-    private readonly cacheService: CacheService,
     private readonly smsService: SmsService,
     private readonly userService: UserService,
     private readonly tokensService: TokensService,
     private readonly adminRepository: AdminRepository,
-    private readonly configService: ConfigService,
+    private readonly otpService: OtpService,
   ) {
-    this.OTP_EXPIRATION_TIME = this.configService.get<number>('OTP_EXPIRATION_TIME') ?? 240;
-  }
-
-  private userOtpKey(phone: string) {
-    return `otp:${phone}`;
-  }
-
-  private adminOtpKey(phone: string) {
-    return `otp-admin:${phone}`;
+   
   }
 
   async requestOtp(dto: RequestOtpDto, isAdmin: boolean) {
     const { phone } = dto;
     const normalizedPhone = normalizePhone(phone);
-    
+
     if (isAdmin) {
       await this.valdateAdmin(normalizedPhone)
     }
 
     const code = this.generateOtpCode();
-    const key = isAdmin ? this.adminOtpKey(normalizedPhone) : this.userOtpKey(normalizedPhone);
-
-    await this.cacheService.set(key, code, this.OTP_EXPIRATION_TIME);
-
+    
+    await this.otpService.set(normalizedPhone, code)
+    
     // await this.smsService.sendotp(normalizedPhone, code);
 
     return { code };
@@ -56,16 +44,14 @@ export class AuthService {
 
   async verifyOtp(phone: string, code: string) {
     const normalizedPhone = normalizePhone(phone);
-    const key = this.userOtpKey(normalizedPhone);
-    const cachedCode = await this.cacheService.get(key);
+
+    const cachedCode = await this.otpService.get(normalizedPhone);
     if (!cachedCode) throw new BadRequestException('OTP expired or not found');
     if (cachedCode !== code) throw new BadRequestException('Invalid OTP');
 
-    await this.cacheService.del(key);
+    await this.otpService.delete(normalizedPhone)
 
     const user = await this.userService.getOrCreate({
-      firstName: '[کاربر]',
-      lastName: '',
       phone: normalizedPhone,
       gender: true,
       maxCredit: 0
@@ -81,13 +67,13 @@ export class AuthService {
 
   async verifyOtpAdmin(phone: string, code: string) {
     const normalizedPhone = normalizePhone(phone);
-    const key = this.adminOtpKey(normalizedPhone);
-    const cachedCode = await this.cacheService.get(key);
+
+    const cachedCode = await this.otpService.get(normalizedPhone);
 
     if (!cachedCode) throw new BadRequestException('OTP expired or not found');
 
     if (cachedCode !== code) throw new BadRequestException('Invalid OTP');
-    await this.cacheService.del(key);
+    await this.otpService.delete(normalizedPhone);
 
     const admin = await this.adminRepository.findOne({ phone: normalizedPhone }, { populate: ['role', 'role.permissions'] });
 
diff --git a/src/modules/auth/services/otp.service.ts b/src/modules/auth/services/otp.service.ts
new file mode 100644
index 0000000..91a709f
--- /dev/null
+++ b/src/modules/auth/services/otp.service.ts
@@ -0,0 +1,50 @@
+import { Injectable } from "@nestjs/common";
+import { OtpRepository } from "../repository/otp.repository";
+import { EntityManager } from "@mikro-orm/postgresql";
+import { ConfigService } from "@nestjs/config";
+
+@Injectable()
+export class OtpService {
+    private OTP_EXPIRATION_TIME: number;// in seconds
+    constructor(
+        private readonly otpRepository: OtpRepository,
+        private readonly configService: ConfigService,
+        private readonly em: EntityManager
+    ) {
+        this.OTP_EXPIRATION_TIME = this.configService.get<number>('OTP_EXPIRATION_TIME') ?? 240;
+    }
+
+    async set(phone: string, code: string) {
+        let otpRecord = await this.otpRepository.findOne({ phone })
+        const expiresAt = new Date(Date.now() + this.OTP_EXPIRATION_TIME * 1000)
+
+        if (!otpRecord) {
+            otpRecord = this.otpRepository.create({
+                phone,
+                code,
+                expiresAt
+            })
+        } else {
+            otpRecord.code = code
+            otpRecord.expiresAt = expiresAt
+        }
+
+        await this.em.persistAndFlush(otpRecord)
+
+        return { successs: true }
+
+    }
+
+    async get(phone: string) {
+        
+        let otpRecord = await this.otpRepository.findOne({ phone, expiresAt: { $gt: new Date() } })
+
+        return otpRecord?.code
+
+    }
+
+    async delete(phone: string) {
+        await this.otpRepository.nativeDelete({ phone })
+        return { successs: true }
+    }
+}
\ No newline at end of file
diff --git a/src/modules/auth/transformers/user-login.transformer.ts b/src/modules/auth/transformers/user-login.transformer.ts
index 8f222f2..fdb22ff 100644
--- a/src/modules/auth/transformers/user-login.transformer.ts
+++ b/src/modules/auth/transformers/user-login.transformer.ts
@@ -2,7 +2,7 @@ import type { User } from '../../user/entities/user.entity';
 
 export interface UserLoginResponse {
   id: string;
-  firstName: string;
+  firstName?: string;
   lastName?: string;
   phone: string;
   isActive?: boolean;
diff --git a/src/modules/user/dto/create-user.dto.ts b/src/modules/user/dto/create-user.dto.ts
index 1a6c3d6..83a133b 100644
--- a/src/modules/user/dto/create-user.dto.ts
+++ b/src/modules/user/dto/create-user.dto.ts
@@ -1,4 +1,4 @@
-import { IsString, IsBoolean, IsNotEmpty, IsMobilePhone, IsInt } from 'class-validator';
+import { IsString, IsBoolean, IsNotEmpty, IsMobilePhone, IsInt, IsNumber, IsOptional } from 'class-validator';
 import { ApiProperty } from '@nestjs/swagger';
 
 export class CreateUserDto {
@@ -10,13 +10,13 @@ export class CreateUserDto {
 
   @ApiProperty({ description: "User's first name", example: 'علی' })
   @IsString()
-  @IsNotEmpty()
-  firstName: string;
+  @IsOptional()
+  firstName?: string;
 
   @ApiProperty({ description: "User's last name", example: 'جعفری' })
   @IsString()
-  @IsNotEmpty()
-  lastName: string;
+  @IsOptional()
+  lastName?: string;
 
   @ApiProperty({ description: 'Gender flag (boolean)', example: true })
   @IsBoolean()
diff --git a/src/modules/user/entities/user.entity.ts b/src/modules/user/entities/user.entity.ts
index 62eb63e..667ed49 100644
--- a/src/modules/user/entities/user.entity.ts
+++ b/src/modules/user/entities/user.entity.ts
@@ -13,8 +13,8 @@ export class User extends BaseEntity {
   @PrimaryKey({ type: 'string', columnType: 'char(26)' })
   id: string = ulid();
 
-  @Property()
-  firstName!: string;
+  @Property({ nullable: true })
+  firstName?: string;
 
   @Property({ nullable: true })
   lastName?: string;
diff --git a/src/modules/util/cache.service.ts b/src/modules/util/cache.service.ts
deleted file mode 100755
index b9e7a32..0000000
--- a/src/modules/util/cache.service.ts
+++ /dev/null
@@ -1,52 +0,0 @@
-import { CACHE_MANAGER, Cache } from '@nestjs/cache-manager';
-import { Inject, Injectable, Logger, OnModuleInit } from '@nestjs/common';
-
-@Injectable()
-export class CacheService implements OnModuleInit {
-  private readonly logger = new Logger(CacheService.name);
-
-  constructor(@Inject(CACHE_MANAGER) private cacheManager: Cache) {}
-
-  async onModuleInit() {
-;
-  this.logger.log(`Active Cache Store: ${JSON.stringify(this.cacheManager as any)}`); 
-  
-  // Should log 'Keyv' or 'KeyvRedis'. If it says 'Memory', the config is still wrong.
-    this.logger.log('Pinging Redis to check connection...');
-    try {
-      await this.set('ping', 'pong', 10); // TTL in seconds
-      const result = await this.get('ping');
-
-      if (result === 'pong') {
-        this.logger.log('✅ Redis connection successful (set/get test passed).');
-      } else {
-        this.logger.error(`❌ Redis connection test failed. Expected 'pong', got '${result}'.`);
-      }
-
-      await this.del('ping');
-    } catch (error: any) {
-      this.logger.error('❌ Failed to connect to Redis during ping test:', error.message);
-    }
-  }
-
-  /** Get value from cache */
-  async get<T>(key: string): Promise<T | undefined> {
-    return await this.cacheManager.get<T>(key);
-  }
-
-  /** Set value in cache with TTL in seconds */
-  async set(key: string, value: any, ttlSeconds: number) {
-    // cache-manager expects TTL in seconds
-    await this.cacheManager.set(key, value, ttlSeconds * 1000);
-  }
-
-  /** Delete a key from cache */
-  async del(key: string) {
-    await this.cacheManager.del(key);
-  }
-
-  /** Get remaining TTL in seconds */
-  async getTtl(key: string): Promise<number | undefined> {
-    return await this.cacheManager.ttl(key);
-  }
-}
diff --git a/src/modules/util/utils.module.ts b/src/modules/util/utils.module.ts
index 2f7cef5..ef5fdaf 100644
--- a/src/modules/util/utils.module.ts
+++ b/src/modules/util/utils.module.ts
@@ -1,11 +1,10 @@
 import { Module } from '@nestjs/common';
-import { CacheService } from './cache.service';
  
 
 @Module({
   imports: [],
   controllers: [],
-  providers: [CacheService, ],
-  exports: [CacheService],
+  providers: [ ],
+  exports: [],
 })
 export class UtilsModule {}