表結構：第三方登錄用戶

CREATE TABLE `__PREFIX__third` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'ID',
  `user_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '會員ID',
  `platform` varchar(30) NOT NULL DEFAULT '' COMMENT '第三方應用',
  `openid` varchar(50) NOT NULL DEFAULT '' COMMENT '第三方唯一ID',
  `openname` varchar(50) NOT NULL DEFAULT '' COMMENT '第三方會員暱稱',
  `access_token` varchar(255) NOT NULL DEFAULT '' COMMENT 'AccessToken',
  `refresh_token` varchar(255) NOT NULL DEFAULT 'RefreshToken',
  `expires_in` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '有效期',
  `create_time` int(10) unsigned DEFAULT NULL COMMENT '創建時間',
  `update_time` int(10) unsigned DEFAULT NULL COMMENT '更新時間',
  `login_time` int(10) unsigned DEFAULT NULL COMMENT '登錄時間',
  `expire_time` int(10) unsigned DEFAULT NULL COMMENT '過期時間',
  PRIMARY KEY (`id`),
  UNIQUE KEY `platform` (`platform`,`openid`),
  KEY `user_id` (`user_id`,`platform`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='第三方登錄表';