错误如下:
org.hibernate.hql.ast.QuerySyntaxException: Content is not mapped [select new Content (t.id,t.name,t.values,t.systemType,t.type,t.sortnumber) from Content t where 1=1 and t.type = ? and t.systemType = ? order by t.sortnumber desc ]org.hibernate.hql.ast.QuerySyntaxExcept