ALTER TABLE `80cms_column` ADD `c_typeimg` CHAR(160) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '栏目缩略图' AFTER `c_name`;

ALTER TABLE `80cms_article` ADD `a_seotitle` CHAR(160) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT 'seo文章标题' AFTER `a_title`;

ALTER TABLE `80cms_config` ADD `c_position` SMALLINT(2) UNSIGNED NOT NULL DEFAULT '0' COMMENT '水印的位置' AFTER `c_articlepicmaxnum`, ADD `c_alpha` SMALLINT(3) UNSIGNED NOT NULL DEFAULT '65' COMMENT '水印透明度' AFTER `c_position`, ADD `c_waterpic` CHAR(160) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '水印文件' AFTER `c_alpha`;