我的也是这个问题:正在连接到 ftp.cnprint.org
已连接到 ftp.cnprint.org 端口 21
220 Serv-U FTP Server v6.0 for WinSock ready...
USER cnprint_guise4543
331 User name okay, need password.
PASS (hidden)
230-ServUPlus 2.1 unregistered.
[
http://www.plusxp.net]
230-[UL:0B][DL:0B][CT:1G][0/60 Sec Cache]
530 Not logged in, unauthorized IP address.
SYST
421 Service closing control connection.
PWD
421 Service closing control connection.
TYPE A
421 Service closing control connection.
连接已丢失: ftp.cnprint.org