diff --git a/tests/pytest/insert/restfulInsert.py b/tests/pytest/insert/restfulInsert.py
index 9fa1f33a2423c4443bc4460ca99973fe56c2786e..c39d1cbe48f6d08d243d39808c21741806a0ee54 100644
--- a/tests/pytest/insert/restfulInsert.py
+++ b/tests/pytest/insert/restfulInsert.py
@@ -55,9 +55,12 @@ class RestfulInsert:
     def insertUnlimitedData(self, threadID):        
         print("thread %d started" % threadID)
         tablesPerThread = int (self.numOfTables / self.numOfThreads)
+        
+        count = 0
         while True:
             i = 0
-            start = self.ts
+            start = self.ts  + count * self.batchSize          
+            count = count + 1            
             
             for i in range(tablesPerThread):
                 tableID = i + threadID * tablesPerThread
@@ -65,7 +68,7 @@ class RestfulInsert:
                 data = "insert into %s.%s%d values" % (self.dbname, self.tableNamePerfix, tableID)
                 values = []
                 for k in range(self.batchSize):
-                    values.append("(%d, %d, %d, %d)" %  (start + j * self.batchSize + k, random.randint(1, 100), random.randint(1, 100), random.randint(1, 100)))
+                    values.append("(%d, %d, %d, %d)" %  (start + k, random.randint(1, 100), random.randint(1, 100), random.randint(1, 100)))
                 
                 if(self.outOfOrder == False):
                     for k in range(len(values)):            
diff --git a/tests/pytest/query/filterOtherTypes.py b/tests/pytest/query/filterOtherTypes.py
index 85d5a67bef04564741ae7c17bd12ee992fcc09f8..f80552138deb6850a87c63bed0c3f543036e7c17 100644
--- a/tests/pytest/query/filterOtherTypes.py
+++ b/tests/pytest/query/filterOtherTypes.py
@@ -376,11 +376,9 @@ class TDTestCase:
         tdSql.execute("insert into t1 values(1538548685000, 1) (1538548685001, 2) (1538548685002, 3)")
         tdSql.execute("insert into t2 values(1538548685000, 4) (1538548685001, 5) (1538548685002, 6)")
 
-        tdSql.query("select * from t1 where tag1 like '%g'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t1 where tag1 like '%g'")        
 
-        tdSql.query("select * from t2 where tag1 like '%g'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t2 where tag1 like '%g'") 
 
         tdSql.query("select * from meters where tag1 like '%g'")
         tdSql.checkRows(6)
@@ -396,20 +394,16 @@ class TDTestCase:
         tdSql.execute("insert into t5 values(1538548685000, 1) (1538548685001, 2) (1538548685002, 3)")
         tdSql.execute("insert into t6 values(1538548685000, 1) (1538548685001, 2) (1538548685002, 3)")
 
-        tdSql.query("select * from t3 where tag1 like '%京'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t3 where tag1 like '%京'")        
 
-        tdSql.query("select * from t4 where tag1 like '%京'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t4 where tag1 like '%京'")        
 
         tdSql.query("select * from meters1 where tag1 like '%京'")
         tdSql.checkRows(6)
         
-        tdSql.query("select * from t5 where tag1 like '%g'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t5 where tag1 like '%g'")        
 
-        tdSql.query("select * from t6 where tag1 like '%g'")
-        tdSql.checkRows(3)
+        tdSql.error("select * from t6 where tag1 like '%g'")        
 
         tdSql.query("select * from meters1 where tag1 like '%g'")
         tdSql.checkRows(6)
diff --git a/tests/pytest/query/queryJoin.py b/tests/pytest/query/queryJoin.py
index 57b7e8868d711878b274644a782bd4c320351049..59e01615b40d423f53e9b9b493d51277e15ff797 100644
--- a/tests/pytest/query/queryJoin.py
+++ b/tests/pytest/query/queryJoin.py
@@ -175,6 +175,8 @@ class TDTestCase:
         tdSql.error("select count(join_mt0.c1), first(join_mt0.c1)-first(join_mt1.c1), first(join_mt1.c9) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts")
         tdSql.error("select count(join_mt0.c1), first(join_mt0.c1), first(join_mt1.c9) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts interval(10a) group by join_mt0.t1, join_mt0.t2 order by join_mt0.t1 desc slimit 3")
         tdSql.error("select count(join_mt0.c1), first(join_mt0.c1) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts interval(10a) group by join_mt0.t1, join_mt0.t2, join_mt1.t1 order by join_mt0.ts desc, join_mt1.ts asc limit 10;")
+        tdSql.error("select join_mt1.c1,join_mt0.c1 from join_mt1,join_mt0 where join_mt1.ts = join_mt0.ts and join_mt1.t1 = join_mt0.t1 order by t")
+
 
     def stop(self):
         tdSql.close()