diff --git a/tests/system-test/1-insert/delete_data.py b/tests/system-test/1-insert/delete_data.py
index 718a4497dc..aaad723b89 100644
--- a/tests/system-test/1-insert/delete_data.py
+++ b/tests/system-test/1-insert/delete_data.py
@@ -27,7 +27,7 @@ class TDTestCase:
     def init(self, conn, logSql, replicaVar=1):
         self.replicaVar = int(replicaVar)
         tdLog.debug("start to execute %s" % __file__)
-        tdSql.init(conn.cursor(), True)
+        tdSql.init(conn.cursor())
         self.dbname = 'db_test'
         self.setsql = TDSetSql()
         self.stbname = 'stb'