diff --git a/tests/pytest/cluster/TD-3693/test.py b/tests/pytest/cluster/TD-3693/test.py
new file mode 100644
index 0000000000000000000000000000000000000000..0e6b890b3ed8080857dad1b353c9ee343681c22b
--- /dev/null
+++ b/tests/pytest/cluster/TD-3693/test.py
@@ -0,0 +1,94 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+sys.path.insert(0, os.getcwd())
+from util.log import *
+from util.sql import *
+from util.dnodes import *
+import taos
+import threading
+
+ 
+class TwoClients:
+    def initConnection(self):
+        self.host = "node1"
+        self.host2 = "chenhaoran02"
+        self.user = "root"
+        self.password = "taosdata"
+        self.config = "/etc/taos/"     
+        self.port =6030 
+        self.rowNum = 10
+        self.ts = 1537146000000  
+
+    # def getBuildPath(self):
+    #     selfPath = os.path.dirname(os.path.realpath(__file__))
+
+    #     if ("community" in selfPath):
+    #         projPath = selfPath[:selfPath.find("community")]
+    #     else:
+    #         projPath = selfPath[:selfPath.find("tests")]
+
+    #     for root, dirs, files in os.walk(projPath):
+    #         if ("taosd" in files):
+    #             rootRealPath = os.path.dirname(os.path.realpath(root))
+    #             if ("packaging" not in rootRealPath):
+    #                 buildPath = root[:len(root)-len("/build/bin")]
+    #                 break
+    #     return buildPath
+
+    def run(self):
+        # buildPath = self.getBuildPath()
+        # if (buildPath == ""):
+        #     tdLog.exit("taosd not found!")
+        # else:
+        #     tdLog.info("taosd found in %s" % buildPath)
+        # binPath = buildPath+ "/build/bin/"
+
+        # query data from cluster'db
+        conn1 = taos.connect(host=self.host, user=self.user, password=self.password, config=self.config )
+        print(conn1)
+        # conn2 = taos.connect(host=self.host2, user=self.user, password=self.password, config=self.config)
+        cur1 = conn1.cursor()
+        # cur2 = conn2.cursor()
+        tdSql.init(cur1, True)
+        # tdSql.init(cur2, True)
+        # os.system("%staosdemo -f wal/insertDataDb1.json -y " % binPath)
+        # tdSql.execute("drop database if exists db1") 
+        # os.system("%staosdemo -f wal/insertDataDb2.json -y " % binPath)
+        # tdSql.execute("drop table if exists db2.stb0") 
+        # os.system("%staosdemo -f wal/insertDataDb2Newstab.json -y " % binPath)
+        # tdSql.execute("alter table db2.stb0 add column col4 int")
+        # tdSql.execute("alter table db2.stb0 drop column col2")
+        # os.system("ps -ef |grep taosd |grep -v 'grep' |awk '{print $2}'|xargs kill -9")
+        # os.system("nohup taosd  --compact-mnode-wal  -c /home/chr/TDengine/sim/dnode1/cfg/ & ")
+        # sleep(5)
+        # os.system("nohup /home/chr/TDengine/debug/build/bin/taosd -c /home/chr/TDengine/sim/dnode1/cfg > /dev/null 2>&1 &")
+        # sleep(4)
+        # tdSql.execute("use db2")
+        # tdSql.query("select count (tbname) from stb0")
+        # tdSql.checkData(0, 0, 1)
+        # tdSql.query("select count (tbname) from stb1")
+        # tdSql.checkData(0, 0, 2)
+        # tdSql.query("select count(*) from stb00_0")
+        # tdSql.checkData(0, 0, 1)
+        # tdSql.query("select count(*) from stb0")
+        # tdSql.checkData(0, 0, 1)
+        # tdSql.query("select count(*) from stb1")
+        # tdSql.checkData(0, 0, 20)
+       
+clients = TwoClients()
+clients.initConnection()
+# clients.getBuildPath()
+clients.run()
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