diff --git a/tests/perftest-scripts/perftest-query.sh b/tests/perftest-scripts/perftest-query.sh
index b96daa54649b115961de97245c6cd109d82f0768..8498094181857095fa52123b364119801dc93d56 100755
--- a/tests/perftest-scripts/perftest-query.sh
+++ b/tests/perftest-scripts/perftest-query.sh
@@ -74,8 +74,14 @@ function runQueryPerfTest {
 	CREATETABLETIME=`grep 'Spent' taosdemoperf.txt | awk 'NR==1{print $2}'`
 	INSERTRECORDSTIME=`grep 'Spent' taosdemoperf.txt | awk 'NR==2{print $2}'`
 	REQUESTSPERSECOND=`grep 'Spent' taosdemoperf.txt | awk 'NR==2{print $13}'`
+	delay=`grep 'delay' taosdemoperf.txt | awk '{print $4}'`
+	AVGDELAY=`echo ${delay:0:${#delay}-3}`
+	delay=`grep 'delay' taosdemoperf.txt | awk '{print $6}'`		
+	MAXDELAY=`echo ${delay:0:${#delay}-3}`	
+	delay=`grep 'delay' taosdemoperf.txt | awk '{print $8}'`
+	MINDELAY=`echo ${delay:0:${#delay}-2}`	
 	
-	python3 tools/taosdemoPerformance.py -c $LOCAL_COMMIT -t $CREATETABLETIME -i $INSERTRECORDSTIME -r $REQUESTSPERSECOND | tee -a $PERFORMANCE_TEST_REPORT
+	python3 tools/taosdemoPerformance.py -c $LOCAL_COMMIT -t $CREATETABLETIME -i $INSERTRECORDSTIME -r $REQUESTSPERSECOND -avg $AVGDELAY -max $MAXDELAY -min $MINDELAY  | tee -a $PERFORMANCE_TEST_REPORT
 	[ -f taosdemoperf.txt ] && rm taosdemoperf.txt
 }
 
diff --git a/tests/pytest/table/create.py b/tests/pytest/table/create.py
index 8fedd4e92046f58a94db66a1e696edfe5d253982..a0991d674a23065cbec5ae3b69d6bdf37ee363ac 100644
--- a/tests/pytest/table/create.py
+++ b/tests/pytest/table/create.py
@@ -39,6 +39,23 @@ class TDTestCase:
         except Exception as e:
             tdLog.exit(e)
 
+        # case for defect: https://jira.taosdata.com:18080/browse/TD-2560
+        tdSql.execute("create table db.tb02 using st tags(2)")
+        tdSql.execute("create table db.tb03 using st tags(3)")
+        tdSql.execute("create table db.tb04 using st tags(4)")
+
+        tdSql.query("show tables like 'tb%' ")
+        tdSql.checkRows(4)
+
+        tdSql.query("show tables like 'tb0%' ")
+        tdSql.checkRows(3)
+
+        tdSql.execute("create table db.st0 (ts timestamp, i int) tags(j int)")
+        tdSql.execute("create table db.st1 (ts timestamp, i int, c2 int) tags(j int, loc nchar(20))")
+
+        tdSql.query("show stables like 'st%' ")
+        tdSql.checkRows(3)
+        
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
diff --git a/tests/pytest/tools/taosdemoPerformance.py b/tests/pytest/tools/taosdemoPerformance.py
index 6b6296e61a7965facd3a414ad635a4c64af43cc4..28f451b6a08a43508352c75b0c498251c9afca54 100644
--- a/tests/pytest/tools/taosdemoPerformance.py
+++ b/tests/pytest/tools/taosdemoPerformance.py
@@ -22,12 +22,15 @@ import argparse
 import os.path
 
 class taosdemoPerformace:
-    def __init__(self, commitID, dbName, createTableTime, insertRecordsTime, recordsPerSecond):
+    def __init__(self, commitID, dbName, createTableTime, insertRecordsTime, recordsPerSecond, avgDelay, maxDelay, minDelay):
         self.commitID = commitID
         self.dbName = dbName
         self.createTableTime = createTableTime
         self.insertRecordsTime = insertRecordsTime
-        self.recordsPerSecond = recordsPerSecond        
+        self.recordsPerSecond = recordsPerSecond
+        self.avgDelay = avgDelay
+        self.maxDelay = maxDelay
+        self.minDelay = minDelay
         self.host = "127.0.0.1"
         self.user = "root"
         self.password = "taosdata"
@@ -43,12 +46,15 @@ class taosdemoPerformace:
                     
         cursor.execute("create database if not exists %s" % self.dbName)
         cursor.execute("use %s" % self.dbName)
-        cursor.execute("create table if not exists taosdemo_perf (ts timestamp, create_table_time float, insert_records_time float, records_per_second float, commit_id binary(50))")
+        cursor.execute("create table if not exists taosdemo_perf (ts timestamp, create_table_time float, insert_records_time float, records_per_second float, commit_id binary(50), avg_delay float, max_delay float, min_delay float)")
         print("==================== taosdemo performance ====================")
         print("create tables time: %f" % self.createTableTime)
         print("insert records time: %f" % self.insertRecordsTime)
         print("records per second: %f" % self.recordsPerSecond)
-        cursor.execute("insert into taosdemo_perf values(now, %f, %f, %f, '%s')" % (self.createTableTime, self.insertRecordsTime, self.recordsPerSecond, self.commitID))
+        print("avg delay: %f" % self.avgDelay)
+        print("max delay: %f" % self.maxDelay)
+        print("min delay: %f" % self.minDelay)        
+        cursor.execute("insert into taosdemo_perf values(now, %f, %f, %f, '%s', %f, %f, %f)" % (self.createTableTime, self.insertRecordsTime, self.recordsPerSecond, self.commitID, self.avgDelay, self.maxDelay, self.minDelay))
         cursor.execute("drop database if exists taosdemo_insert_test")
 
         cursor.close()
@@ -86,8 +92,28 @@ if __name__ == '__main__':
         action='store',        
         type=float,
         help='records per request')
+    parser.add_argument(
+        '-avg',
+        '---avg-delay',
+        action='store',        
+        type=float,
+        help='avg delay')
+    parser.add_argument(
+        '-max',
+        '---max-delay',
+        action='store',        
+        type=float,
+        help='max delay')
+    parser.add_argument(
+        '-min',
+        '---min-delay',
+        action='store',        
+        type=float,
+        help='min delay')
+
     
     args = parser.parse_args()
 
-    perftest = taosdemoPerformace(args.commit_id, args.database_name, args.create_table, args.insert_records, args.records_per_second)    
+    perftest = taosdemoPerformace(args.commit_id, args.database_name, args.create_table, args.insert_records, args.records_per_second, 
+                        args.avg_delay, args.max_delay, args.min_delay) 
     perftest.createTablesAndStoreData()
\ No newline at end of file