Polly重试

        public override async Task<ReturnT> Execute(JobExecuteContext context)
        {
            _logger.LogInformation($"视频配置信息获取任务开始......开始时间：{DateTime.Now}");
            try
            {
                // 重试机制(间隔30秒重试)
                var policy = Policy
                    .Handle<Exception>()
                    .WaitAndRetryAsync(5, retryAttempt => TimeSpan.FromSeconds(30), async (exception, retryCount) =>
                       {
                           await Task.CompletedTask;
                           _logger.LogError(exception, $"第{retryCount}次重试");
                       });

                await policy.ExecuteAsync(async () => await _videoService.BatchSendWaitCreateVideoInfo());
            }
            catch (Exception ex)
            {
                _logger.LogError($"{nameof(QueryWaitCreateVideoDataJobHandler)}作业失败,{ex}");
            }
            _logger.LogInformation($"--------------------------------------------------------------------------------------------");
            return ReturnT.SUCCESS;
        }