diff --git a/tests/system-test/2-query/sml_TS-3724.py b/tests/system-test/2-query/sml_TS-3724.py
index b537ad9b9a..9511ee8aa1 100644
--- a/tests/system-test/2-query/sml_TS-3724.py
+++ b/tests/system-test/2-query/sml_TS-3724.py
@@ -14,7 +14,7 @@ sys.path.append("./7-tmq")
 from tmqCommon import *
 
 class TDTestCase:
-    updatecfgDict = {'clientCfg': {'smlChildTableName': 'dataModelName', 'fqdn': 'localhost', 'smlTsDefaultName': "times"}, 'fqdn': 'localhost'}
+    updatecfgDict = {'clientCfg': {'smlChildTableName': 'dataModelName', 'fqdn': 'localhost'}, 'fqdn': 'localhost'}
     print("===================: ", updatecfgDict)
 
     def init(self, conn, logSql, replicaVar=1):
@@ -58,7 +58,7 @@ class TDTestCase:
         tdSql.query(f"select distinct tbname from {dbname}.readings")
         tdSql.checkRows(4)
 
-        tdSql.query(f"select * from {dbname}.t_0799064f5487946e5d22164a822acfc8 order by times")
+        tdSql.query(f"select * from {dbname}.t_0799064f5487946e5d22164a822acfc8 order by _ts")
         tdSql.checkRows(2)
         tdSql.checkData(0, 3, "kk")
         tdSql.checkData(1, 3, "")
@@ -67,7 +67,7 @@ class TDTestCase:
         tdSql.query(f"select distinct tbname from {dbname}.`sys_if_bytes_out`")
         tdSql.checkRows(2)
 
-        tdSql.query(f"select * from {dbname}.t_f67972b49aa8adf8bca5d0d54f0d850d order by times")
+        tdSql.query(f"select * from {dbname}.t_f67972b49aa8adf8bca5d0d54f0d850d order by _ts")
         tdSql.checkRows(2)
         tdSql.checkData(0, 1, 1.300000000)
         tdSql.checkData(1, 1, 13.000000000)
@@ -80,7 +80,7 @@ class TDTestCase:
         tdSql.query(f"select distinct tbname from {dbname}.`sys_cpu_nice`")
         tdSql.checkRows(3)
 
-        tdSql.query(f"select * from {dbname}.`sys_cpu_nice` order by times")
+        tdSql.query(f"select * from {dbname}.`sys_cpu_nice` order by _ts")
         tdSql.checkRows(4)
         tdSql.checkData(0, 1, 13.000000000)
         tdSql.checkData(0, 2, "web01")