public async Task <bool> DeleteUserDepartmentAsync(Guid userId, Guid deptId)
        {
            using (var scope = _dbContextScopeFactory.Create())
            {
                var deleteItem = await _userDepartmentRepository
                                 .FindAsync(f => f.DeptID == deptId && f.UserID == userId);

                _userDepartmentRepository.Delete(deleteItem);
                await scope.SaveChangesAsync();

                return(true);
            }
        }