diff --git a/doc/_common.py b/doc/_common.py
index 921753a2..9085bfc8 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -1923,4 +1923,5 @@ class VipInfo(object):
     def __init__(self):
         self.fields = [
             ['bind_passport_address', 0, '绑定的passport地址'],
+            ['bind_email', 0, '绑定的email地址'],
         ]
diff --git a/sql/bcnftdb.sql b/sql/bcnftdb.sql
index 1cb11f8f..cfbb3764 100644
--- a/sql/bcnftdb.sql
+++ b/sql/bcnftdb.sql
@@ -417,6 +417,8 @@ CREATE TABLE `t_vip_bind` (
   `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
   `account_address` varchar(60) NOT NULL DEFAULT '' COMMENT '钱包地址(小狐狸)',
   `passport_address` varchar(60) NOT NULL DEFAULT '' COMMENT '钱包地址(passport)',
+  `email` varchar(80) COMMENT 'email',
+  `lower_case_email` varchar(80) COMMENT 'lower_case_email',
   `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
   `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
   PRIMARY KEY (`idx`),