diff --git a/tests/pytest/functions/queryTestCases.py b/tests/pytest/functions/queryTestCases.py
index 84e1c369903160b29b13925005af64398e1e21e0..a4e62e37251d8cc317de665e72f8691aee22f60f 100644
--- a/tests/pytest/functions/queryTestCases.py
+++ b/tests/pytest/functions/queryTestCases.py
@@ -739,10 +739,8 @@ class TDTestCase:
         tdSql.checkRows(tbnum*3)
         tdSql.query(f"select distinct  c1 c2, c2 c3 from t1 where c1 <{tbnum}")
         tdSql.checkRows(3)
-        tdSql.query("select distinct  c1, c2 from stb1 order by ts")
-        tdSql.checkRows(tbnum*3+1)
-        tdSql.query("select distinct  c1, c2 from t1 order by ts")
-        tdSql.checkRows(4)
+        tdSql.error("select distinct  c1, c2 from stb1 order by ts")
+        tdSql.error("select distinct  c1, c2 from t1 order by ts")
         tdSql.error("select distinct  c1, ts from stb1 group by c2")
         tdSql.error("select distinct  c1, ts from t1 group by c2")
         tdSql.error("select distinct  c1, max(c2) from stb1 ")