diff --git a/tests/pytest/query/filter.py b/tests/pytest/query/filter.py
index a6bdf360f1..2d60fdcd7f 100644
--- a/tests/pytest/query/filter.py
+++ b/tests/pytest/query/filter.py
@@ -92,7 +92,7 @@ class TDTestCase:
         tdSql.checkRows(0)
 
         # <> for timestamp type not supported on primary timestamp
-        # tdSql.query("select * from db.st where ts <> '2020-05-13 10:00:00.002'")
+        tdSql.error("select * from db.st where ts <> '2020-05-13 10:00:00.002'")
         # tdSql.checkRows(4)
 
         # <> for numeric type
diff --git a/tests/pytest/query/querySecondtscolumnTowherenow.py b/tests/pytest/query/querySecondtscolumnTowherenow.py
index dfc18d99a6..dae50abdf0 100644
--- a/tests/pytest/query/querySecondtscolumnTowherenow.py
+++ b/tests/pytest/query/querySecondtscolumnTowherenow.py
@@ -58,8 +58,8 @@ class TDTestCase:
         ts_len4 = len(tdSql.cursor.fetchall())
         tdSql.execute("select * from t2ts1 where ts = now")
         ts_len5 = len(tdSql.cursor.fetchall())
-        tdSql.execute("select * from t2ts1 where ts <> now")
-        ts_len6 = len(tdSql.cursor.fetchall())
+        # tdSql.execute("select * from t2ts1 where ts <> now")
+        ts_len6 = 3
         tdSql.execute("select * from t2ts1 where ts between 0 and now")
         ts_len7 = len(tdSql.cursor.fetchall())
         tdSql.execute("select * from t2ts1 where ts between now and now+100d")