REST 100
350 Requested file action pending further information
REST 0
350 Requested file action pending further information
CWD /
431 No such directory.
PWD
257 Current working directory is "/"
TYPE A
200 Command okay.
PASV
227 Entering Passive Mode (192,200,105,131,4,26)
LIST
150 File status okay; about to open data connection.
226 Request successful. Closing data connection.
明明是有文件的，为什么呢？？