dZSbot and windrop 1.6.13 problem

[terencehe]

i install dZSbot 0.8.2 and windrop 1.6.13 for ioftpd.
and ftp user login/logout ,upload ,del ....,in irc,the message display ok.
and in irc,i use !DVDhelp, it's ok.
but only this command ok.
I use !DVDdf,!DVDwho,!DVDbw.....,it's not work,why?

this is in my irc display message:
[11:38] <mOvIE> -DVD- [LOGOUT] + fD@Movie has logged out
[11:38] <mOvIE> -DVD- [DVDRip] + New Release: 03.09.03.Fear....