update sql

data/upgrade/v2.0.0/v2.0.0.sql

@@ -289,7 +289,7 @@ ADD COLUMN IF NOT EXISTS `search_id` int(11) NULL AFTER `product_public_notes`,
 ADD COLUMN IF NOT EXISTS `search_status` int(11) NULL AFTER `search_id`;
 
 ALTER TABLE `t_collection`
-ADD COLUMN `search_id` int(11) NULL AFTER `recv_result`,
-ADD COLUMN `search_status` int(11) NULL AFTER `search_id`;
+ADD COLUMN IF NOT EXISTS `search_id` int(11) NULL AFTER `recv_result`,
+ADD COLUMN IF NOT EXISTS `search_status` int(11) NULL AFTER `search_id`;
 
 SET FOREIGN_KEY_CHECKS=1;