FTP下载过程中偶然出现回复一串数字，也不是报错。
[10:04:33.424]收←◆FTPread:1002BD8AA9A2A92BC4FF1101578AA9A2A9FF14002BC2C48AA902001901C2C4178?
666666666,1002BD8AA9A2A92BC4FF1101578AA9A2A9FF14002BC2C48AA902001901C2C4178?
[10:04:37.235]收←◆FTPread::208F90001EE5A2A9FF1200B38AA9A2A9FF100331C2C48AA9A2A956BF0BC4FF18?
666666666,:208F90001EE5A2A9FF1200B38AA9A2A9FF100331C2C48AA9A2A956BF0BC4FF18?