Cannot find XML: column

I'm using D7 & Views XML Backend 7.x-1.0-alpha4
when i create views and trying to add XML: column, not found

only I find
XML: Date
Date in the XML file.
XML: Markup
HTML markup in the XML file.
XML: Numeric
A number in the XML file.
XML: Text
Text in the XML file.

when i try
XML: Markup
XML: Text
not display any thing

the xml file that i work on it in attced