diff --git a/tests/system-test/7-tmq/tmqShow.py b/tests/system-test/7-tmq/tmqShow.py
new file mode 100644
index 0000000000000000000000000000000000000000..6b7e7375ffeca382bb77e4e8b8ab1704a83854f3
--- /dev/null
+++ b/tests/system-test/7-tmq/tmqShow.py
@@ -0,0 +1,158 @@
+
+import taos
+import sys
+import time
+import socket
+import os
+import threading
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+from util.dnodes import *
+from util.common import *
+sys.path.append("./7-tmq")
+from tmqCommon import *
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+        #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
+
+    def tmqCase1(self):
+        tdLog.printNoPrefix("======== test case 1: ")
+        paraDict = {'dbName':     'db1',
+                    'dropFlag':   1,
+                    'event':      '',
+                    'vgroups':    4,
+                    'stbName':    'stb',
+                    'colPrefix':  'c',
+                    'tagPrefix':  't',
+                    'colSchema':   [{'type': 'INT', 'count':2}, {'type': 'binary', 'len':20, 'count':1},{'type': 'TIMESTAMP', 'count':1}],
+                    'tagSchema':   [{'type': 'INT', 'count':1}, {'type': 'binary', 'len':20, 'count':1}],
+                    'ctbPrefix':  'ctb',
+                    'ctbNum':     10,
+                    'rowsPerTbl': 4000,
+                    'batchNum':   15,
+                    'startTs':    1640966400000,  # 2022-01-01 00:00:00.000
+                    'pollDelay':  20,
+                    'showMsg':    1,
+                    'showRow':    1}
+
+        topicNameList = ['topic1', 'topic2', 'topic3', 'topic4']
+        consumeGroupIdList = ['cgrp1', 'cgrp1', 'cgrp3', 'cgrp4']
+        consumerIdList = [0, 1, 2, 3]
+        tmqCom.initConsumerTable()
+        tdCom.create_database(tdSql, paraDict["dbName"],paraDict["dropFlag"], vgroups=paraDict['vgroups'],replica=1)
+        tdLog.info("create stb")
+        tdCom.create_stable(tdSql, dbname=paraDict["dbName"],stbname=paraDict["stbName"], column_elm_list=paraDict['colSchema'], tag_elm_list=paraDict['tagSchema'])
+        tdLog.info("create ctb")
+        tdCom.create_ctable(tdSql, dbname=paraDict["dbName"],stbname=paraDict["stbName"],tag_elm_list=paraDict['tagSchema'],count=paraDict["ctbNum"], default_ctbname_prefix=paraDict['ctbPrefix'])
+        # tdLog.info("insert data")
+        # tmqCom.insert_data(tdSql,paraDict["dbName"],paraDict["ctbPrefix"],paraDict["ctbNum"],paraDict["rowsPerTbl"],paraDict["batchNum"],paraDict["startTs"])
+        
+        tdLog.info("create 4 topics")
+        sqlString = "create topic %s as database %s" %(topicNameList[0], paraDict['dbName'])
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)
+        
+        sqlString = "create topic %s as stable %s.%s" %(topicNameList[1], paraDict['dbName'], paraDict['stbName'])
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)        
+
+        queryString = "select * from %s.%s where c1 %% 7 == 0" %(paraDict['dbName'], paraDict['stbName'])
+        sqlString = "create topic %s as %s" %(topicNameList[2], queryString)
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)
+        
+        queryString = "select ts, log(c1), ceil(pow(c1,3)) from %s.%s where c1 %% 7 == 0" %(paraDict['dbName'], paraDict['stbName'])
+        sqlString = "create topic %s as %s " %(topicNameList[3], queryString)
+        tdLog.info("create topic sql: %s"%sqlString)
+        tdSql.execute(sqlString)
+
+        tdSql.query("show topics")
+        tdLog.debug(tdSql.queryResult)     
+        rows = tdSql.getRows()
+        if rows != len(consumerIdList):
+            tdLog.exit("topic rows error")
+            
+        for i in range (rows):
+            topicName = tdSql.getData(i,0)
+            matchFlag = 0
+            while matchFlag == 0:
+                for j in range(len(topicNameList)):
+                    if topicName == topicNameList[j]:
+                        matchFlag = 1
+                        break
+                if matchFlag == 0:
+                    tdLog.exit("topic name: %s is error", topicName)
+        
+        # init consume info, and start tmq_sim, then check consume result
+        tdLog.info("insert consume info to consume processor")
+        expectrowcnt = paraDict["rowsPerTbl"] * paraDict["ctbNum"]
+        topicList    = topicNameList[0]
+        ifcheckdata  = 0
+        ifManualCommit = 0        
+        keyList      = 'group.id:%s, enable.auto.commit:false, auto.commit.interval.ms:6000, auto.offset.reset:earliest'%consumeGroupIdList[0]
+        tmqCom.insertConsumerInfo(consumerIdList[0], expectrowcnt,topicList,keyList,ifcheckdata,ifManualCommit)
+                
+        topicList    = topicNameList[1]
+        keyList      = 'group.id:%s, enable.auto.commit:false, auto.commit.interval.ms:6000, auto.offset.reset:earliest'%consumeGroupIdList[1]
+        tmqCom.insertConsumerInfo(consumerIdList[1], expectrowcnt,topicList,keyList,ifcheckdata,ifManualCommit)
+        
+        topicList    = topicNameList[2]
+        keyList      = 'group.id:%s, enable.auto.commit:false, auto.commit.interval.ms:6000, auto.offset.reset:earliest'%consumeGroupIdList[2]
+        tmqCom.insertConsumerInfo(consumerIdList[2], expectrowcnt,topicList,keyList,ifcheckdata,ifManualCommit)
+        
+        topicList    = topicNameList[3]
+        keyList      = 'group.id:%s, enable.auto.commit:false, auto.commit.interval.ms:6000, auto.offset.reset:earliest'%consumeGroupIdList[3]
+        tmqCom.insertConsumerInfo(consumerIdList[3], expectrowcnt,topicList,keyList,ifcheckdata,ifManualCommit)
+
+        tdLog.info("start consume processor")
+        tmqCom.startTmqSimProcess(paraDict['pollDelay'],paraDict["dbName"],paraDict['showMsg'], paraDict['showRow'])
+
+        tdLog.info("async insert data")
+        pThread = tmqCom.asyncInsertData(paraDict)
+
+        time.sleep(5)
+        tdLog.info("check show consumers")
+        tdSql.query("show consumers")
+        # tdLog.info(tdSql.queryResult)     
+        rows = tdSql.getRows()
+        tdLog.info("show consumers rows: %d"%rows)
+        if rows != len(topicNameList):
+            tdLog.exit("show consumers rows error")
+        
+        tdLog.info("check show subscriptions")      
+        tdSql.query("show subscriptions")
+        # tdLog.debug(tdSql.queryResult)     
+        rows = tdSql.getRows()
+        tdLog.info("show subscriptions rows: %d"%rows)
+        if rows != paraDict['vgroups'] * len(topicNameList):
+            tdLog.exit("show subscriptions rows error")
+
+        pThread.join()
+        
+        tdLog.info("insert process end, and start to check consume result")
+        expectRows = len(consumerIdList)
+        _ = tmqCom.selectConsumeResult(expectRows)
+        
+        time.sleep(10)        
+        for i in range(len(topicNameList)):
+            tdSql.query("drop topic %s"%topicNameList[i])
+
+        tdLog.printNoPrefix("======== test case 1 end ...... ")
+
+    def run(self):
+        tdSql.prepare()
+        self.tmqCase1()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+event = threading.Event()
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())
diff --git a/tests/system-test/fulltest.sh b/tests/system-test/fulltest.sh
index e86615365ff02794f149afd0fda8d64f86b058e4..b7bacfa22bca9676584f6371a6c92cd67697a4b9 100755
--- a/tests/system-test/fulltest.sh
+++ b/tests/system-test/fulltest.sh
@@ -143,3 +143,4 @@ python3 ./test.py -f 7-tmq/tmqCheckData.py
 python3 ./test.py -f 7-tmq/tmqUdf.py
 #python3 ./test.py -f 7-tmq/tmq3mnodeSwitch.py -N 5
 python3 ./test.py -f 7-tmq/tmqConsumerGroup.py
+python3 ./test.py -f 7-tmq/tmqShow.py
diff --git a/tests/test/c/tmqSim.c b/tests/test/c/tmqSim.c
index c2fba52e6eb301fa5b528e37950084f164501efe..81fa72d15adfb8bfb6c7fc96acc3c1c5a6dcbc40 100644
--- a/tests/test/c/tmqSim.c
+++ b/tests/test/c/tmqSim.c
@@ -635,8 +635,9 @@ void loop_consume(SThreadInfo* pInfo) {
     }
   }
 
+  int32_t consumeDelay = g_stConfInfo.consumeDelay == -1 ? -1 : (g_stConfInfo.consumeDelay * 1000);
   while (running) {
-    TAOS_RES* tmqMsg = tmq_consumer_poll(pInfo->tmq, g_stConfInfo.consumeDelay * 1000);
+    TAOS_RES* tmqMsg = tmq_consumer_poll(pInfo->tmq, consumeDelay);
     if (tmqMsg) {
       if (0 != g_stConfInfo.showMsgFlag) {
         totalRows += msg_process(tmqMsg, pInfo, totalMsgs);