diff --git a/tests/system-test/1-insert/insert_wide_coulum.py b/tests/system-test/1-insert/insert_wide_coulum.py
index f7b96d719f..082e8bf5a7 100644
--- a/tests/system-test/1-insert/insert_wide_coulum.py
+++ b/tests/system-test/1-insert/insert_wide_coulum.py
@@ -1,15 +1,15 @@
 # -*- coding: utf-8 -*-
 
 import sys
-from util.log import *
-from util.cases import *
-from util.sql import *
-from util.autogen import *
 import threading
 import random
 import string
 import time
 
+from util.log import *
+from util.cases import *
+from util.sql import *
+
 
 class TDTestCase:
     def init(self, conn, logSql, replicaVar=1):