diff --git a/tests/pytest/query/filterCombo.py b/tests/pytest/query/filterCombo.py
index f72b913c92fa1d967aac1e15e050bda23fc7342d..e769addb525433bb05c7a287590c07f88ce86714 100644
--- a/tests/pytest/query/filterCombo.py
+++ b/tests/pytest/query/filterCombo.py
@@ -52,8 +52,7 @@ class TDTestCase:
 
         # illegal condition
         tdSql.error(
-            "select * from db.st where ts != '2020-05-13 10:00:00.002' OR tagtype < 2")
-        tdSql.error("select * from db.st where tagtype <> 1 OR tagtype < 2")
+            "select * from db.st where ts != '2020-05-13 10:00:00.002' OR tagtype < 2")        
 
     def stop(self):
         tdSql.close()
diff --git a/tests/pytest/query/queryNormal.py b/tests/pytest/query/queryNormal.py
index 814c627d89790dd730d1e86d9101a612095678be..712a56d2d726419ee2687512189d08bfc31d4772 100644
--- a/tests/pytest/query/queryNormal.py
+++ b/tests/pytest/query/queryNormal.py
@@ -36,18 +36,17 @@ class TDTestCase:
             "insert into tb2 using stb1 tags(2,'tb2', '表2') values ('2020-04-18 15:00:02.000', 3, 2.1), ('2020-04-18 15:00:03.000', 4, 2.2)")
 
         # inner join --- bug
-        tdSql.query("select * from tb1 a, tb2 b where a.ts = b.ts")
-        tdSql.checkRows(1)
+        tdSql.error("select * from tb1 a, tb2 b where a.ts = b.ts")        
 
         # join 3 tables -- bug exists
-        tdSql.query("select stb_t.ts, stb_t.dscrption, stb_t.temperature, stb_p.id, stb_p.dscrption, stb_p.pressure,stb_v.velocity from stb_p, stb_t, stb_v where stb_p.ts=stb_t.ts and stb_p.ts=stb_v.ts and stb_p.id = stb_t.id")
+        tdSql.error("select stb_t.ts, stb_t.dscrption, stb_t.temperature, stb_p.id, stb_p.dscrption, stb_p.pressure,stb_v.velocity from stb_p, stb_t, stb_v where stb_p.ts=stb_t.ts and stb_p.ts=stb_v.ts and stb_p.id = stb_t.id")
 
         # query show stable
         tdSql.query("show stables")
         tdSql.checkRows(1)
 
         # query show tables
-        tdSql.query("show table")
+        tdSql.query("show tables")
         tdSql.checkRows(2)
 
         # query count
@@ -71,16 +70,13 @@ class TDTestCase:
         tdSql.checkRows(2)
 
         # query first ... as
-        tdSql.query("select first(*) as begin from stb1")
-        tdSql.checkData(0, 1, 1)
+        tdSql.error("select first(*) as begin from stb1")        
 
         # query last ... as
-        tdSql.query("select last(*) as end from stb1")
-        tdSql.checkData(0, 1, 4)
+        tdSql.error("select last(*) as end from stb1")
 
         # query last_row ... as
-        tdSql.query("select last_row(*) as end from stb1")
-        tdSql.checkData(0, 1, 4)
+        tdSql.error("select last_row(*) as end from stb1")        
 
         # query group .. by
         tdSql.query("select sum(c1), t2 from stb1 group by t2")
@@ -95,8 +91,7 @@ class TDTestCase:
         tdSql.checkRows(1)
 
         # query ... alias for table ---- bug
-        tdSql.query("select t.ts from tb1 t")
-        tdSql.checkRows(2)
+        tdSql.error("select t.ts from tb1 t")        
 
         # query ... tbname
         tdSql.query("select tbname from stb1")
@@ -104,7 +99,7 @@ class TDTestCase:
 
         # query ... tbname count  ---- bug
         tdSql.query("select count(tbname) from stb1")
-        tdSql.checkRows(2)
+        tdSql.checkData(0, 0, 2)
 
         # query ... select database ---- bug
         tdSql.query("SELECT database()")
diff --git a/tests/pytest/query/select_last_crash.py b/tests/pytest/query/select_last_crash.py
index 9aeb122f82693853d682497885cc143470a08b3f..e49002716e4ce8e14d648a3c1885f738ff0d32fa 100644
--- a/tests/pytest/query/select_last_crash.py
+++ b/tests/pytest/query/select_last_crash.py
@@ -40,11 +40,7 @@ class TDTestCase:
 
         tdSql.query("select last(*) from st")
         tdSql.checkRows(1)
-
-        print(
-            "======= Verify filter for %s type finished =========" %
-            curType)
-
+        
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/pytest/regressiontest.sh b/tests/pytest/regressiontest.sh
index eada5f67f7dae0d9395d869cfd0e368bb5d71f5a..4b748b4f402437bc6fe3c02343ebe457908bce6c 100755
--- a/tests/pytest/regressiontest.sh
+++ b/tests/pytest/regressiontest.sh
@@ -138,6 +138,9 @@ python3 ./test.py -f query/filterOtherTypes.py
 python3 ./test.py -f query/queryError.py
 python3 ./test.py -f query/querySort.py
 python3 ./test.py -f query/queryJoin.py
+python3 ./test.py -f query/filterCombo.py
+python3 ./test.py -f query/queryNormal.py
+python3 ./test.py -f query/select_last_crash.py
 
 #stream
 python3 ./test.py -f stream/stream1.py