/// <summary>
        /// 获取权限分组分页
        /// </summary>
        /// <param name="filter">权限分组筛选信息</param>
        /// <returns>返回权限分组分页</returns>
        public IPaging <PermissionGroupDto> GetPermissionGroupPaging(PermissionGroupFilterDto filter)
        {
            var authorityGroupPaging = permissionGroupService.GetPaging(filter?.ConvertToFilter());

            return(authorityGroupPaging.ConvertTo <PermissionGroupDto>());
        }