diff --git a/sql/n9e_mon.sql b/sql/n9e_mon.sql
index b38534c8..7e5eedc1 100644
--- a/sql/n9e_mon.sql
+++ b/sql/n9e_mon.sql
@@ -324,21 +324,20 @@ CREATE TABLE `collect_rule` (
   `nid` bigint(20) unsigned NOT NULL DEFAULT '0' COMMENT 'nid',
   `step` int(11) NOT NULL DEFAULT '0' COMMENT 'step',
   `timeout` int(11) NOT NULL DEFAULT '0' COMMENT 'total timeout',
-  `collect_type` varchar(64) NOT NULL DEFAULT '' COMMENT 'collector name',
-  `name` varchar(255) NOT NULL DEFAULT '' COMMENT 'name',
+  `collect_type` varchar(64) NOT NULL DEFAULT '' COMMENT 'collect plugin name',
+  `name` varchar(255) NOT NULL DEFAULT '' COMMENT 'collect rule name',
   `region` varchar(32) NOT NULL DEFAULT 'default' COMMENT 'region',
   `comment` varchar(512) NOT NULL DEFAULT '' COMMENT 'comment',
   `data` blob NULL COMMENT 'data',
   `tags` varchar(512) NOT NULL DEFAULT '' COMMENT 'tags',
   `creator` varchar(64) NOT NULL DEFAULT '' COMMENT 'creator',
   `updater` varchar(64) NOT NULL DEFAULT '' COMMENT 'updater',
-  `created` datetime NOT NULL  COMMENT 'created',
   `created_at` bigint not null default 0,
   `updated_at` bigint not null default 0,
   PRIMARY KEY (`id`),
   KEY `idx_nid` (`nid`),
   KEY `idx_collect_type` (`collect_type`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT 'api collect';
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT 'collect rule';
 
 CREATE TABLE `aggr_calc` (
   `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT 'id',
diff --git a/src/models/mon_collect_rule.go b/src/models/mon_collect_rule.go
index 0cf34719..e7240cf5 100644
--- a/src/models/mon_collect_rule.go
+++ b/src/models/mon_collect_rule.go
@@ -96,7 +96,7 @@ func GetCollectRules(typ string, nid int64, limit, offset int) (total int64, lis
 		return
 	}
 
-	err = search().Desc("created").Limit(limit, offset).Find(&list)
+	err = search().Desc("updated_at").Limit(limit, offset).Find(&list)
 	return
 }