diff --git a/tests/system-test/7-tmq/tmqDnodeRestart.py b/tests/system-test/7-tmq/tmqDnodeRestart.py
index 1902945bf6acf29bd838ab45c8629310e93570c1..bcc672584897cb4bee8219b229ecdcf64700bf53 100644
--- a/tests/system-test/7-tmq/tmqDnodeRestart.py
+++ b/tests/system-test/7-tmq/tmqDnodeRestart.py
@@ -64,7 +64,7 @@ class TDTestCase:
                                                ctbNum=paraDict["ctbNum"],rowsPerTbl=paraDict["rowsPerTbl"],batchNum=paraDict["batchNum"],
                                                startTs=paraDict["startTs"],ctbStartIdx=paraDict['ctbStartIdx'])
 
-        tdLog.info("restart taosd to ensure that the data falls into the disk")
+        tdLog.info("flush database to ensure that the data falls into the disk")
         # tdDnodes.stop(1)
         # tdDnodes.start(1)
         tdSql.query("flush database %s"%(paraDict['dbName']))
@@ -87,7 +87,7 @@ class TDTestCase:
                     'rowsPerTbl': 1000,
                     'batchNum':   100,
                     'startTs':    1640966400000,  # 2022-01-01 00:00:00.000
-                    'pollDelay':  5,
+                    'pollDelay':  10,
                     'showMsg':    1,
                     'showRow':    1,
                     'snapshot':   0}