红色的10是你栏目的ID.把它修改成你要删除文章的栏目ID即可,在织梦后台系统设置里面SQL命令行工具执行下列命令即可

delete from dede_archives where typeid=10;

delete from dede_arctiny where typeid=10;

delete from dede_addonarticle  where typeid=10;