Problem on command line download file

i have success try use command line to upload file like this:
winscp.exe SessionName /upload c:\test.txt /defaults

but i have failed to use this command to download file:
winscp.exe SessionName /get test.txt c:\download\

anyone can help?

Thanks a lot.

Joe

There's no /get switch.

Please read documentation to learn more about automating file transfers. If that does not help, come back.