/// <summary>
        /// 重新给直播间分配一个新 client
        /// </summary>
        /// <param name="room"></param>
        private static void RetryRoom(StreamRoom room)
        {
            if (++room.RetryTime >= 3)
            {
                return;
            }

            var client = ConnectedClient.FirstOrDefault(x => x.MaxParallelTask > x.CurrentJobs.Count);

            if (client == null)
            {
                RoomQueue.AddFirst(room);
            }
            else
            {
                ConnectedClient.Remove(client);
                ConnectedClient.Add(client);
                SendTask(client, room);
            }
        }