(1)执行如下sql
SET SQL_SAFE_UPDATES=;
SET FOREIGN_KEY_CHECKS=;
UPDATE `core_store` SET store_id = WHERE code='admin';
UPDATE `core_store_group` SET group_id = WHERE name='Default';
UPDATE `core_website` SET website_id = WHERE code='admin';
UPDATE `customer_group` SET customer_group_id = WHERE customer_group_code='NOT LOGGED IN';
SET FOREIGN_KEY_CHECKS=;
SET SQL_SAFE_UPDATES=;