diff --git a/tests/pytest/stream/sys.py b/tests/pytest/stream/sys.py
index 9202e2a9c08ce28184c41d2c7e28aa06c55cb940..ecbcb651b14b494f247b014ff0cf81e5ae7db8f4 100644
--- a/tests/pytest/stream/sys.py
+++ b/tests/pytest/stream/sys.py
@@ -20,6 +20,8 @@ from util.sql import tdSql
 
 
 class TDTestCase:
+    updatecfgDict = {'monitor': 1}
+
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor(), logSql)