proftpd设置好，但是无法连接

yunshu

proftpd1.2.9版本，安装配置完成，和mysql整合的，但是无法连接。我设置的帐号已经加入mysql数据库，名字test，密码password，但是一连接马上断开，如下：
E:\>ftp 11.11.11.11
Connected to 11.11.11.11.
220 ProFTPD 1.2.9 Server (ProFTPD Default Installation) [ls990]
User (11.11.11.11none)): test
331 Password required for test.
Password:
Connection closed by remote host.

E:\>

服务器日志如下：
Sep  2 10:21:34 ls990 proftpd[7085]: ls990 - ProFTPD 1.2.9 (stable) (built Thu Sep 2 02:51:08 EDT 2004) standalone mode STARTU
P
Sep  2 10:21:34 ls990 proftpd: proftpd startup succeeded
Sep  2 10:21:39 ls990 proftpd[7088]: ls990 (61.152.253.132[61.152.253.132]) - FTP session opened.
Sep  2 10:21:47 ls990 proftpd[7088]: ls990 (61.152.253.132[61.152.253.132]) - FTP session closed.
Sep  2 11:41:39 ls990 proftpd[23858]: ls990 (61.152.253.132[61.152.253.132]) - FTP session opened.
Sep  2 11:41:45 ls990 proftpd[23858]: ls990 (61.152.253.132[61.152.253.132]) - FTP session closed.
[root@ls990 /]#