[NS] 电信对软银的tcp太不友好了

跟着大佬注册了阿里云，[ID]IntervalTransferBitrateRetr[5]0.00-32.58sec20.5MBytes5.28Mbits/sec865sender[5]0.00-32.24sec20.1MBytes5.24Mbits/secreceiver重传也严重