diff --git a/tests/system-test/0-others/taosShellError.py b/tests/system-test/0-others/taosShellError.py
new file mode 100644
index 0000000000..aa433729fb
--- /dev/null
+++ b/tests/system-test/0-others/taosShellError.py
@@ -0,0 +1,280 @@
+
+import taos
+import sys
+import time
+import socket
+import pexpect
+import os
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+from util.dnodes import *
+
+def taos_command (buildPath, key, value, expectString, cfgDir, sqlString='', key1='', value1=''):
+    if len(key) == 0:
+        tdLog.exit("taos test key is null!")
+    
+    taosCmd = buildPath + '/build/bin/taos '
+    if len(cfgDir) != 0:
+        taosCmd = taosCmd + '-c ' + cfgDir
+
+    taosCmd = taosCmd + ' -' + key
+    if len(value) != 0:
+        if key == 'p':
+            taosCmd = taosCmd + value
+        else:
+            taosCmd = taosCmd + ' ' + value
+
+    if len(key1) != 0:
+        taosCmd = taosCmd + ' -' + key1
+        if key1 == 'p':
+            taosCmd = taosCmd + value1
+        else:
+            if len(value1) != 0:
+                taosCmd = taosCmd + ' ' + value1
+
+    tdLog.info ("taos cmd: %s" % taosCmd)
+
+    child = pexpect.spawn(taosCmd, timeout=3)
+    #output = child.readline()
+    #print (output.decode())
+    if len(expectString) != 0:
+        i = child.expect([expectString, pexpect.TIMEOUT, pexpect.EOF], timeout=6)
+    else:
+        i = child.expect([pexpect.TIMEOUT, pexpect.EOF], timeout=6)
+
+    retResult = child.before.decode()
+    print("cmd return result:\n%s\n"%retResult)
+    #print(child.after.decode())
+    if i == 0:
+        print ('taos login success! Here can run sql, taos> ')
+        if len(sqlString) != 0:
+            child.sendline (sqlString)
+            w = child.expect(["Query OK", pexpect.TIMEOUT, pexpect.EOF], timeout=1)
+            retResult = child.before.decode()
+            if w == 0:
+                return "TAOS_OK", retResult
+            else:
+                return "TAOS_FAIL", retResult
+        else:
+            if key == 'A' or key1 == 'A' or key == 'C' or key1 == 'C' or key == 'V' or key1 == 'V':
+                return "TAOS_OK", retResult
+            else:
+                return  "TAOS_OK", retResult
+    else:
+        if key == 'A' or key1 == 'A' or key == 'C' or key1 == 'C' or key == 'V' or key1 == 'V':
+            return "TAOS_OK", retResult
+        else:
+            return "TAOS_FAIL", retResult
+
+class TDTestCase:
+    #updatecfgDict = {'clientCfg': {'serverPort': 7080, 'firstEp': 'trd02:7080', 'secondEp':'trd02:7080'},\
+    #                 'serverPort': 7080, 'firstEp': 'trd02:7080'}
+    hostname = socket.gethostname()
+    serverPort = '7080'
+    rpcDebugFlagVal = '143'
+    clientCfgDict = {'serverPort': '', 'firstEp': '', 'secondEp':'', 'rpcDebugFlag':'135'}
+    clientCfgDict["serverPort"]    = serverPort
+    clientCfgDict["firstEp"]       = hostname + ':' + serverPort
+    clientCfgDict["secondEp"]      = hostname + ':' + serverPort
+    clientCfgDict["rpcDebugFlag"]  = rpcDebugFlagVal
+
+    updatecfgDict = {'clientCfg': {}, 'serverPort': '', 'firstEp': '', 'secondEp':''}
+    updatecfgDict["clientCfg"]  = clientCfgDict
+    updatecfgDict["serverPort"] = serverPort
+    updatecfgDict["firstEp"]    = hostname + ':' + serverPort
+    updatecfgDict["secondEp"]   = hostname + ':' + serverPort
+
+    print ("===================: ", updatecfgDict)
+
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+
+    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):  # sourcery skip: extract-duplicate-method, remove-redundant-fstring
+        tdSql.prepare()
+        # time.sleep(2)
+        tdSql.query("create user testpy pass 'testpy'")
+
+        #hostname = socket.gethostname()
+        #tdLog.info ("hostname: %s" % hostname)
+
+        buildPath = self.getBuildPath()
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        cfgPath = buildPath + "/../sim/psim/cfg"
+        tdLog.info("cfgPath: %s" % cfgPath)
+
+        checkNetworkStatus = ['0: unavailable', '1: network ok', '2: service ok', '3: service degraded', '4: exiting']
+        netrole            = ['client', 'server']
+
+        keyDict = {'h':'', 'P':'6030', 'p':'testpy', 'u':'testpy', 'a':'', 'A':'', 'c':'', 'C':'', 's':'', 'r':'', 'f':'', \
+                   'k':'', 't':'', 'n':'', 'l':'1024', 'N':'100', 'V':'', 'd':'db', 'w':'30', '-help':'', '-usage':'', '?':''}
+
+        keyDict['h'] = self.hostname
+        keyDict['c'] = cfgPath
+        keyDict['P'] = self.serverPort
+
+        tdLog.printNoPrefix("================================ parameter: -h wiht error value")
+        #newDbName="dbh"
+        #sqlString = 'create database ' + newDbName + ';'
+        keyDict['h'] = 'abc'
+        retCode, retVal = taos_command(buildPath, "h", keyDict['h'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -h %s test suceess"%keyDict['h'])
+        else:
+            tdLog.exit("taos -h %s fail"%keyDict['h'])
+
+        keyDict['h'] = '\'abc\''
+        retCode, retVal = taos_command(buildPath, "h", keyDict['h'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -h %s test suceess"%keyDict['h'])
+        else:
+            tdLog.exit("taos -h %s fail"%keyDict['h'])
+
+        keyDict['h'] = '3'
+        retCode, retVal = taos_command(buildPath, "h", keyDict['h'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -h %s test suceess"%keyDict['h'])
+        else:
+            tdLog.exit("taos -h %s fail"%keyDict['h'])
+
+        keyDict['h'] = '\'3\''
+        retCode, retVal = taos_command(buildPath, "h", keyDict['h'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -h %s test suceess"%keyDict['h'])
+        else:
+            tdLog.exit("taos -h %s fail"%keyDict['h'])
+
+        tdLog.printNoPrefix("================================ parameter: -P wiht error value")
+        #newDbName="dbh"
+        #sqlString = 'create database ' + newDbName + ';'
+        keyDict['P'] = 'abc'
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Invalid port" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+
+        keyDict['P'] = '\'abc\''
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Invalid port" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+
+        keyDict['P'] = '3'
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+
+        keyDict['P'] = '\'3\''
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+
+        keyDict['P'] = '12ab'
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+
+        keyDict['P'] = '\'12ab\''
+        retCode, retVal = taos_command(buildPath, "P", keyDict['P'], "taos>", keyDict['c'], '')
+        if (retCode == "TAOS_FAIL") and ("Unable to establish connection" in retVal):
+            tdLog.info("taos -P %s test suceess"%keyDict['P'])
+        else:
+            tdLog.exit("taos -P %s fail"%keyDict['P'])
+ 
+        tdLog.printNoPrefix("================================ parameter: -f with error sql ")
+        pwd=os.getcwd()
+        newDbName="dbf"
+        sqlFile = pwd + "/0-others/sql.txt"
+        sql1 = "echo 'create database " + newDbName + "' > " + sqlFile
+        sql2 = "echo 'use " + newDbName + "' >> " + sqlFile
+        sql3 = "echo 'create table ntbf (ts timestamp, c binary(40)) no this item' >> " + sqlFile
+        sql4 = "echo 'insert into ntbf values (\"2021-04-01 08:00:00.000\", \"test taos -f1\")(\"2021-04-01 08:00:01.000\", \"test taos -f2\")' >> " + sqlFile 
+        sql5 = "echo 'show databases' >> " + sqlFile       
+        os.system(sql1)       
+        os.system(sql2)       
+        os.system(sql3)       
+        os.system(sql4)      
+        os.system(sql5)
+
+        keyDict['f'] = pwd + "/0-others/sql.txt"
+        retCode, retVal = taos_command(buildPath, "f", keyDict['f'], 'performance_schema', keyDict['c'], '', '', '')
+        #print("============ ret code: ", retCode)
+        if retCode != "TAOS_OK":
+            tdLog.exit("taos -f fail")
+
+        print ("========== check new db ==========")
+        tdSql.query("show databases")        
+        for i in range(tdSql.queryRows):
+            #print ("dbseq: %d, dbname: %s"%(i, tdSql.getData(i, 0)))
+            if tdSql.getData(i, 0) == newDbName:
+                break
+        else:
+            tdLog.exit("create db fail after taos -f fail")
+
+        sqlString = "select * from " + newDbName + ".ntbf"    
+        tdSql.error(sqlString)
+        
+        shellCmd = "rm -f " + sqlFile
+        os.system(shellCmd)
+
+        keyDict['f'] = pwd + "/0-others/noexistfile.txt"
+        retCode, retVal = taos_command(buildPath, "f", keyDict['f'], 'failed to open file', keyDict['c'], '', '', '')
+        #print("============ ret code: ", retCode)
+        if retCode != "TAOS_OK":
+            tdLog.exit("taos -f fail")
+
+        tdSql.query('drop database %s'%newDbName)
+
+        tdLog.printNoPrefix("================================ parameter: -a with error value")
+        #newDbName="dba"          
+        errorPassword = 'errorPassword'      
+        sqlString = 'create database ' + newDbName + ';'
+        retCode, retVal = taos_command(buildPath, "u", keyDict['u'], "taos>", keyDict['c'], sqlString, 'a', errorPassword)
+        if retCode != "TAOS_FAIL":
+            tdLog.exit("taos -u %s -a %s"%(keyDict['u'], errorPassword))
+
+        tdLog.printNoPrefix("================================ parameter: -p with error value")
+        #newDbName="dba"          
+        keyDict['p'] = 'errorPassword'  
+        retCode, retVal = taos_command(buildPath, "u", keyDict['u'], "taos>", keyDict['c'], sqlString, 'p', keyDict['p'])
+        if retCode == "TAOS_FAIL" and "Authentication failure" in retVal:
+            tdLog.info("taos -p %s test suceess"%keyDict['p'])
+        else:
+            tdLog.exit("taos -u %s -p %s"%(keyDict['u'], keyDict['p']))
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())