Add a user/author field formatter
I have found the solution: I have to create a new display suite formatter because that page use ds for the display.

I have read this 


  http://www.previousnext.com.au/blog/creating-custom-display-suite-fields-or-how-i-learned-stop-worrying-and-use-hookdsfieldsinfo


and I have created my formatter. All works. Thanks for all to all.