FTP 550 Access is denied. The FTP server is built with win7

FTP S->C: 220 Microsoft FTP Service
FTP C->S: USER ftp001
FTP S->C: 331 Password required for ftp001.
FTP C->S: PASS ftp001
FTP S->C: 230 User logged in.
FTP C->S: SYST 
FTP S->C: 215 Windows_NT
FTP C->S: TYPE I
FTP S->C: 200 Type set to I.
FTP C->S: CWD /
FTP S->C: 250 CWD command successful.
FTP C->S: PASV
FTP upload port 36310  Passive Mode (192,168,1,158,141,214).
FTP C->S: ALLO 772332
FTP S->C: 200 ALLO command successful.
FTP C->S: STOR demo
FTP S->C: 550 Access is denied.           老是在请求上传的时候给denied