Undefined genSalt() or genSaltSync()

[kingrootid]

import { bcrypt } from 'bcrypt';
const saltRounds = 10;
@Injectable()
export class UsersService {
  constructor(
    @InjectRepository(Users)
    private readonly usersRepository: Repository<Users>,
  ) {}

  getHello(): string {
    return 'Hello World!';
  }
  async findAll(): Promise<Users[]> {
    return this.usersRepository.find();
  }
  async create(createUserDto: CreateUsersDto): Promise<Users> {
    var salt = await bcrypt.genSaltSync(saltRounds);
    const user = new Users();
    user.name = createUserDto.name;
    user.email = createUserDto.email;
    user.password = await bcrypt.hashSync(createUserDto.password, salt);
    user.address = createUserDto.address;
    user.subdomain = createUserDto.subdomain;
    user.phone = createUserDto.phone;
    try {
      return this.usersRepository.save(user);
    } catch (err) {
      return err.message;
    }
  }
}

i use nestjs to hash user password.

i got an error

[Nest] 5532  - 03/23/2022, 1:00:53 PM   ERROR [ExceptionsHandler] Cannot read properties of undefined (reading 'genSaltSync')
TypeError: Cannot read properties of undefined (reading 'genSaltSync')