diff --git a/tests/pytest/update/merge_commit_data2.py b/tests/pytest/update/merge_commit_data2.py
index 5fc58e3b4f198b600fde34c4de9e6f03dc1ba91c..d4dbfec554a366d950b13311d5ab05bff853b77b 100644
--- a/tests/pytest/update/merge_commit_data2.py
+++ b/tests/pytest/update/merge_commit_data2.py
@@ -28,7 +28,7 @@ class TDTestCase:
     def restart_taosd(self,db):
         tdDnodes.stop(1)
         tdDnodes.startWithoutSleep(1)
-        tdsql.sleep(2)
+        tdSql.sleep(2)
         tdSql.execute("use %s;" % db)
 
     def date_to_timestamp_microseconds(self, date):