diff --git a/tests/system-test/7-tmq/subscribeDb4.py b/tests/system-test/7-tmq/subscribeDb4.py
index 63a59c0dc336b6b26a1e3ffc17806f65be1a013a..d253c34a532eb122b9479537ff30129be20018fb 100644
--- a/tests/system-test/7-tmq/subscribeDb4.py
+++ b/tests/system-test/7-tmq/subscribeDb4.py
@@ -41,7 +41,7 @@ class TDTestCase:
     ifcheckdata = 0
     ifManualCommit = 1
     groupId = 'group.id:cgrp1'
-    autoCommit = 'enable.auto.commit:false'
+    autoCommit = 'enable.auto.commit:true'
     autoCommitInterval = 'auto.commit.interval.ms:1000'
     autoOffset = 'auto.offset.reset:earliest'
 
@@ -87,8 +87,9 @@ class TDTestCase:
         tdLog.info("start consume processor")
         tmqCom.startTmqSimProcess(self.pollDelay,self.paraDict["dbName"],self.showMsg, self.showRow,self.cdbName)
 
-        tdLog.info("After waiting for a period of time, drop one stable")
-        time.sleep(3)
+        tdLog.info("After waiting for a commit notify, drop one stable")
+        #time.sleep(3)
+        tmqCom.getStartCommitNotifyFromTmqsim()
         tdSql.execute("drop table %s.%s" %(self.paraDict['dbName'], self.paraDict['stbName']))
 
         tdLog.info("wait result from consumer, then check it")
diff --git a/tests/system-test/7-tmq/tmqShow.py b/tests/system-test/7-tmq/tmqShow.py
index c0f33d92049efe6eceffd01353e3bedc2c406ee9..0691da678668df5a35b61691daebbf58b76b14d2 100644
--- a/tests/system-test/7-tmq/tmqShow.py
+++ b/tests/system-test/7-tmq/tmqShow.py
@@ -37,7 +37,7 @@ class TDTestCase:
                     '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,
+                    'ctbNum':     100,
                     'rowsPerTbl': 4000,
                     'batchNum':   15,
                     'startTs':    1640966400000,  # 2022-01-01 00:00:00.000
@@ -124,7 +124,8 @@ class TDTestCase:
         tdLog.info("async insert data")
         pThread = tmqCom.asyncInsertData(paraDict)
 
-        time.sleep(5)
+        tmqCom.getStartConsumeNotifyFromTmqsim();
+        #time.sleep(5)
         tdLog.info("check show consumers")
         tdSql.query("show consumers")
         # tdLog.info(tdSql.queryResult)