public async Task Test()
        {
            await UnitWork.ExecuteWithTransactionAsync(async () =>
            {
                var account = await TestAdd();
                UnitWork.Add(new SysLog()
                {
                    Content = $"新增了用户{account}",
                    Id = account
                });
                UnitWork.Save();
            });
        }
        
        private async Task<string> TestAdd()
        {
            var account = "user_" + DateTime.Now.ToString("yyyy_MM_dd HH:mm:ss");

            var user = new User
            {
                Account = account,
                Name = account
            };
            await Repository.AddAsync(user);
            return account;
        }