diff --git a/database/maildb.sql b/database/maildb.sql
index 497446cc..3dbe34c2 100644
--- a/database/maildb.sql
+++ b/database/maildb.sql
@@ -52,11 +52,17 @@ CREATE TABLE `t_mail` (
   `user_reg_end_time` int(11) NOT NULL DEFAULT '0' COMMENT '用户注册结束时间',
   `tag1` int(11) NOT NULL DEFAULT '0' COMMENT 'tag1',
   `tag2` int(11) NOT NULL DEFAULT '0' COMMENT 'tag2',
+  `create_address` varchar(60) CHARACTER SET utf8 COMMENT '创建邮件的钱包地址',
+  `update_address` varchar(60) CHARACTER SET utf8 COMMENT '更新邮件的钱包地址',
   `expiretime` int(11) NOT NULL DEFAULT '0' COMMENT '过期时间',
   `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 `unikey` (`unikey`),
   UNIQUE KEY `mail_id` (`mail_id`),
+  KEY `idx_create_address` (`create_address`),
+  KEY `idx_update_address` (`update_address`),
+  KEY `idx_tag1` (`tag1`),
+  KEY `idx_tag2` (`tag2`),
   PRIMARY KEY (`idx`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;
diff --git a/server/jccommon/constant.go b/server/jccommon/constant.go
index 948730ab..107c1acb 100644
--- a/server/jccommon/constant.go
+++ b/server/jccommon/constant.go
@@ -37,7 +37,7 @@ const (
 )
 
 const (
-	MAIL_TAG1_CUSTOM = 1
+	MAIL_TAG1_CUSTOM = 10
 	MAIL_TAG1_HERO = 100
 	MAIL_TAG1_GOLD_BULLION = 101
 )