diff --git a/tests/system-test/1-insert/insert_wide_coulum.py b/tests/system-test/1-insert/insert_wide_column.py
similarity index 81%
rename from tests/system-test/1-insert/insert_wide_coulum.py
rename to tests/system-test/1-insert/insert_wide_column.py
index 082e8bf5a71da26301c3809a91817b4fdfbcd3e8..aafaa7d4a04f0463dec9b9f9595e70240b228848 100644
--- a/tests/system-test/1-insert/insert_wide_coulum.py
+++ b/tests/system-test/1-insert/insert_wide_column.py
@@ -1,3 +1,14 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
 # -*- coding: utf-8 -*-
 
 import sys
@@ -11,23 +22,10 @@ from util.cases import *
 from util.sql import *
 
 
-class TDTestCase:
-    def init(self, conn, logSql, replicaVar=1):
-        tdSql.init(conn.cursor(), logSql)
-
-    def run(self):  
-        tdLog.info("hello world.")
-
-    def stop(self):
-        tdSql.close()
-        tdLog.success("%s successfully executed" % __file__)
-
-
 #
 # Test Main class
 #
 
-'''
 class TDTestCase:
     def init(self, conn, logSql, replicaVar=1):
         self.replicaVar = int(replicaVar)
@@ -79,12 +77,10 @@ class TDTestCase:
         column_cnt = 4096 - tag_cnt
         self.autoGen.set_batch_size(1)
         self.test_db(dbname, stbname, childname, tag_cnt, column_cnt, child_cnt, insert_rows, binary_len, nchar_len)
-        
 
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
-'''
 
 tdCases.addWindows(__file__, TDTestCase())
 tdCases.addLinux(__file__, TDTestCase())