diff --git a/database/wheeldb.sql b/database/wheeldb.sql
index 09e2add8..c37861e8 100644
--- a/database/wheeldb.sql
+++ b/database/wheeldb.sql
@@ -73,7 +73,8 @@ CREATE TABLE `t_user` (
   `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
   UNIQUE KEY `uk_account_id` (`account_id`),
-  KEY (`openid`),
+  KEY `idx_openid` (`openid`),
+  KEY `idx_invited` (`invited`),
   PRIMARY KEY (`idx`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;