diff --git a/tests/pytest/table/create_db_from_normal_db.py b/tests/pytest/table/create_db_from_normal_db.py
index 8b5182c3b16ca31b2bbf966df294e2c4e4c12ff3..ad21ebfac27c099e3b3f3013b47e52d8bf93af15 100644
--- a/tests/pytest/table/create_db_from_normal_db.py
+++ b/tests/pytest/table/create_db_from_normal_db.py
@@ -34,7 +34,26 @@ class TDTestCase:
         tdSql.execute("drop table if exists db.state2;")
         tdSql.execute("create table db.state2 (ts timestamp, c1 int) tags (t binary(20));")
         tdSql.query("create table db.test2 using db.state2 tags('tt');")
-        tdSql.error("create table db.test22 using db.test2 tags('tt');")
+        tdSql.error("create table db.test22 using db.test2 tags('tt');")  
+
+         # test case for TS-1289
+        tdSql.execute("create database test")
+        tdSql.execute("use test")
+        tdSql.execute("create table `metrics` (`ts` TIMESTAMP,`value` DOUBLE) TAGS (`labels` JSON)")
+        tdSql.execute('''CREATE TABLE `t_eb22c740776471c56ed97eff4951eb41` USING `metrics` TAGS ('{"__name__":"node_exporter:memory:used:percent","datacenter":"cvte
+            ","hostname":"p-tdengine-s-002","instance":"10.21.46.53:9100","ipaddress":"10.21.46.53","job":"node","product":"Prometheus","productline":"INFRA
+            "}');''')
+   
+        tdSql.query("show create table t_eb22c740776471c56ed97eff4951eb41")
+        sql = tdSql.getData(0, 1)
+        tdSql.execute("drop table t_eb22c740776471c56ed97eff4951eb41")
+        tdSql.query("show tables")
+        tdSql.checkRows(0)
+        
+        tdSql.execute(sql)
+        tdSql.query("show tables")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 't_eb22c740776471c56ed97eff4951eb41')     
 
     def stop(self):
         tdSql.close()
diff --git a/tests/pytest/tools/taosdumpTest2.py b/tests/pytest/tools/taosdumpTest2.py
index 6258024de8729d799690515a7133c5d9aa04330e..c82b776e7a1a42e6458f240210933fff9362ce5e 100644
--- a/tests/pytest/tools/taosdumpTest2.py
+++ b/tests/pytest/tools/taosdumpTest2.py
@@ -11,15 +11,19 @@
 
 # -*- coding: utf-8 -*-
 
+from logging.config import dictConfig
 import sys
 import os
 from util.log import *
 from util.cases import *
 from util.sql import *
 from util.dnodes import *
+import string
+import random
 
 
-class TDTestCase:
+class TDTestCase:    
+
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor(), logSql)
@@ -44,6 +48,13 @@ class TDTestCase:
                     break
         return buildPath
 
+    def generateString(self, length):
+        chars = string.ascii_uppercase + string.ascii_lowercase
+        v = ""
+        for i in range(length):
+            v += random.choice(chars)
+        return v
+
     def run(self):
         tdSql.prepare()
 
@@ -70,14 +81,14 @@ class TDTestCase:
         os.system("rm /tmp/*.sql")
         os.system("rm /tmp/*.avro*")
         os.system(
-            "%staosdump --databases db -o /tmp -B 16384" %
+            "%staosdump --databases db -o /tmp -B 16384 -y" %
             binPath)
 
         tdSql.execute("drop database db")
         tdSql.query("show databases")
         tdSql.checkRows(0)
 
-        os.system("%staosdump -i /tmp" % binPath)
+        os.system("%staosdump -i /tmp -y" % binPath)
 
         tdSql.query("show databases")
         tdSql.checkRows(1)
@@ -89,7 +100,33 @@ class TDTestCase:
         tdSql.checkData(0, 0, 'st')
 
         tdSql.query("select count(*) from t1")
-        tdSql.checkData(0, 0, self.numberOfRecords)
+        tdSql.checkData(0, 0, self.numberOfRecords)        
+
+        # test case for TS-1225
+        tdSql.execute("create database test")
+        tdSql.execute("use test")
+        tdSql.execute("create table stb(ts timestamp, c1 binary(16374), c2 binary(16374), c3 binary(16374)) tags(t1 nchar(256))")
+        tdSql.execute("insert into t1 using stb tags('t1') values(now, '%s', '%s', '%s')" % (self.generateString(16374), self.generateString(16374), self.generateString(16374)))
+        
+        os.system("rm /tmp/*.sql")
+        os.system("rm /tmp/*.avro*")
+        os.system("%staosdump -D test -o /tmp -y" % binPath)
+
+        tdSql.execute("drop database test")
+        tdSql.query("show databases")
+        tdSql.checkRows(1)
+
+        os.system("%staosdump -i /tmp -y" % binPath)
+
+        tdSql.execute("use test")
+        tdSql.error("show vnodes '' ")
+        tdSql.query("show stables")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, 'stb')
+
+        tdSql.query("select * from stb")
+        tdSql.checkRows(1)
+        os.system("rm -rf dump_result.txt")
 
     def stop(self):
         tdSql.close()