通过查找是和ecs_cart这个表是有关系的，导入

DROP TABLE IF EXISTS `ecs_cart`;
CREATE TABLE `ecs_cart` (
  `rec_id` mediumint(8) unsigned NOT NULL auto_increment,
  `user_id` mediumint(8) unsigned NOT NULL default '0',
  `session_id` char(32) character set utf8 collate utf8_bin NOT NULL default '',
  `goods_id` mediumint(8) unsigned NOT NULL default '0',
  `goods_sn` varchar(60) NOT NULL default '',
  `product_id` mediumint(8) unsigned NOT NULL default '0',
  `goods_name` varchar(120) NOT NULL default '',
  `market_price` decimal(10,2) unsigned NOT NULL default '0.00',
  `goods_price` decimal(10,2) NOT NULL default '0.00',
  `goods_number` smallint(5) unsigned NOT NULL default '0',
  `goods_attr` text NOT NULL,
  `is_real` tinyint(1) unsigned NOT NULL default '0',
  `extension_code` varchar(30) NOT NULL default '',
  `parent_id` mediumint(8) unsigned NOT NULL default '0',
  `rec_type` tinyint(1) unsigned NOT NULL default '0',
  `is_gift` smallint(5) unsigned NOT NULL default '0',
  `is_shipping` tinyint(1) unsigned NOT NULL default '0',
  `can_handsel` tinyint(3) unsigned NOT NULL default '0',
  `goods_attr_id` varchar(255) NOT NULL default '',
  `package_attr_id` varchar(100) NOT NULL,
  PRIMARY KEY  (`rec_id`),
  KEY `session_id` (`session_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

就可以解决加入购物车空白的问题