diff --git a/sql/relationdb_n.sql b/sql/relationdb_n.sql
index f9d9eba..e5412f4 100644
--- a/sql/relationdb_n.sql
+++ b/sql/relationdb_n.sql
@@ -120,7 +120,7 @@ CREATE TABLE `event` (
   `param3` tinyblob COMMENT 'param3',
   `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   PRIMARY KEY (`idx`),
-  KEY `account_id` (`account_id`),
+  KEY `account_id` (`account_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;