public async Task UninstallMemberAsync(Int32 userId, Int32 memberId)
        {
            Check.IfNullOrZero(userId);
            Check.IfNullOrZero(memberId);
            var app = await _memberContext.UninstallMemberAsync(userId, memberId);

            await CacheHelper.RemoveKeyWhenModify(new DesktopCacheKey(userId));

            if (app != null)
            {
                await _commonNotify.SendNotify(userId, new Notify("应用卸载提醒", $@"您安装的应用 {app.Name} 已卸载完成", 0, userId));
            }
        }