Error Number: 1054

Unknown column 'about.php' in 'where clause'

select n.d_id,n.d_title,n.d_content,n.d_type,n.d_file,n.d_url,n.d_file_name,nt.d_title as nttitle,REPLACE(substr(n.d_create_time,1,10),"-","/") as d_create_time from news n inner join newstype nt on nt.d_id = n.d_type where n.d_enable="Y" and n.d_id=about.php order by n.d_create_time

Filename: models/MyModel/Mymodel.php

Line Number: 194