public void SendCommand <T>(uint id1, uint id2, T cmd)
{
byte[] pbdata = ProtoBufSerialize.Serialize(cmd);
sendCache.Clear();
CUtility.UInt8ToBytes(id1, sendCache);
CUtility.UInt8ToBytes(id2, sendCache);
CUtility.UInt32ToBytes(AddSendPackCount(), sendCache);
CUtility.BytesToBytes(pbdata, pbdata.Length, sendCache);
Send(sendCache.ToArray());
}