您好,您改成:SELECT tlk_contacts.item_name as Item_newname , tlk_contacts.DOMAINID as DOMAINID, tlk_contacts.id as id FROM tlk_company,tlk_contacts where tlk_company.ID = tlk_contacts.PARENT;试一下。因为平台是跟进域和ID进行查询的。后台程序会在您这条sql语句加上tlk_contacts加上domainid和id的条件判断。