sharepoint - Document Type images are broken -

sharepoint - Document Type images are broken -

i'm new sharepoint 2010; when adding web part users download files, 'type' images broken, , urls have no image file. example:

then when looking @ path of broken image, comes as:

https://portal.mysite.com/_layouts/images/

is there sort of association have make?

if using content editor web part have add together icon (docicon) of file-type custom xsl-template.

please see below given link

http://freedotnet4u.blogspot.in/2013/01/add-icon-docicon-of-file-type-to-custom.html

thanks

sharepoint sharepoint-2010