Hi,

Quote Originally Posted by youz View Post
And in the ceon_uri_mappings table,it was added a record,and after I deleted it,the categories page worked fine.

I don't know why and how to solve it,can you help me?
Quite simply it looks like you don't have a rewrite rule installed.

Please read the documentation and set up a rewrite rule either in a .htaccess file or your virtualhost directive.

All the best...

Conor
ceon