diff --git a/db_transfer.py b/db_transfer.py
index d466a31..36a37c4 100644
--- a/db_transfer.py
+++ b/db_transfer.py
@@ -284,7 +284,7 @@ class Dbv3Transfer(DbTransfer):
 			cur = conn.cursor()
 			try:
 				if id in self.port_uid_table:
-					cur.execute("INSERT INTO `user_traffic_log` (`id`, `user_id`, `u`, `d`, `Node_ID`, `rate`, `traffic`, `log_time`) VALUES (NULL, '" + \
+					cur.execute("INSERT INTO `user_traffic_log` (`id`, `user_id`, `u`, `d`, `node_id`, `rate`, `traffic`, `log_time`) VALUES (NULL, '" + \
 						str(self.port_uid_table[id]) + "', '" + str(transfer[0]) + "', '" + str(transfer[1]) + "', '" + \
 						str(get_config().NODE_ID) + "', '" + str(get_config().TRANSFER_MUL) + "', '" + \
 						self.traffic_format(transfer[0] + transfer[1]) + "', unix_timestamp()); ")
@@ -308,7 +308,7 @@ class Dbv3Transfer(DbTransfer):
 
 		try:
 			cur = conn.cursor()
-			cur.execute("INSERT INTO `ss_node_online_log` (`id`, `Node_ID`, `online_user`, `log_time`) VALUES (NULL, '" + \
+			cur.execute("INSERT INTO `ss_node_online_log` (`id`, `node_id`, `online_user`, `log_time`) VALUES (NULL, '" + \
 					str(get_config().NODE_ID) + "', '" + str(alive_user_count) + "', unix_timestamp()); ")
 			cur.close()
 
diff --git a/shadowsocks.sql b/shadowsocks.sql
deleted file mode 100644
index 8d84992..0000000
--- a/shadowsocks.sql
+++ /dev/null
@@ -1,24 +0,0 @@
-SET FOREIGN_KEY_CHECKS=0;
-
-CREATE TABLE `user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT,
-  `email` varchar(32) NOT NULL,
-  `pass` varchar(16) NOT NULL,
-  `passwd` varchar(16) NOT NULL,
-  `t` int(11) NOT NULL DEFAULT '0',
-  `u` bigint(20) NOT NULL,
-  `d` bigint(20) NOT NULL,
-  `transfer_enable` bigint(20) NOT NULL,
-  `port` int(11) NOT NULL,
-  `switch` tinyint(4) NOT NULL DEFAULT '1',
-  `enable` tinyint(4) NOT NULL DEFAULT '1',
-  `type` tinyint(4) NOT NULL DEFAULT '1',
-  `last_get_gift_time` int(11) NOT NULL DEFAULT '0',
-  `last_rest_pass_time` int(11) NOT NULL DEFAULT '0',
-  PRIMARY KEY (`id`,`port`)
-) ENGINE=InnoDB AUTO_INCREMENT=415 DEFAULT CHARSET=utf8;
-
--- ----------------------------
--- Records of user
--- ----------------------------
-INSERT INTO `user` VALUES ('7', 'test@test.com', '123456', '0000000', '1410609560', '0', '0', '9320666234', '50000', '1', '1', '7', '0', '0');
\ No newline at end of file