diff --git a/tests/script/tsim/sync/3Replica1VgElect.sim b/tests/script/tsim/sync/3Replica1VgElect.sim
new file mode 100644
index 0000000000..0e23a08409
--- /dev/null
+++ b/tests/script/tsim/sync/3Replica1VgElect.sim
@@ -0,0 +1,474 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+
+system sh/cfg.sh -n dnode1 -c supportVnodes -v 0
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+
+$loop_cnt = 0
+check_dnode_ready:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+if $data[0][4] != ready then
+  goto check_dnode_ready
+endi
+
+sql connect
+sql create dnode $hostname port 7200
+sql create dnode $hostname port 7300
+sql create dnode $hostname port 7400
+
+$loop_cnt = 0
+check_dnode_ready_1:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 10 then
+  print ====> dnodes not ready!
+	return -1
+endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_1
+endi
+
+$replica = 3
+$vgroups = 1
+
+print ============= create database
+sql create database db replica $replica vgroups $vgroups
+
+$loop_cnt = 0
+check_db_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 100 then
+  print ====> db not ready!
+	return -1
+endi
+sql show databases
+print ===> rows: $rows
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][6] $data[2][11] $data[2][12]  $data[2][13]  $data[2][14]  $data[2][15]  $data[2][16]  $data[2][17]  $data[2][18]  $data[2][19]
+if $rows != 3 then
+  return -1
+endi
+if $data[2][19] != ready then
+  goto check_db_ready
+endi
+
+sql use db
+
+$loop_cnt = 0
+check_vg_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+
+vg_ready:
+print ====>  create stable/child table
+sql create table stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+sql show stables
+if $rows != 1 then 
+  return -1
+endi
+
+$ctbPrefix = ctb
+$ntbPrefix = ntb
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+$totalTblNum = $tbNum * 2
+sleep 1000
+sql show tables
+print ====> expect $totalTblNum and infinsert $rows  in fact 
+if $rows != $totalTblNum then 
+  return -1
+endi
+
+start_switch_leader:
+
+$switch_loop_cnt = 0
+sql show vgroups
+$dnodeId = $data[0][3]
+$dnodeId = dnode . $dnodeId
+
+switch_leader_to_offine_loop:
+
+print $dnodeId
+print ====> stop $dnodeId
+system sh/exec.sh -n $dnodeId -s stop -x SIGINT
+
+
+$loop_cnt = 0
+$loop_cnt = $loop_cnt + 1
+sleep 201
+if $loop_cnt == 300 then
+  print ====> vgroups switch fail!!!
+	return -1
+endi
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+
+if $rows != $vgroups then
+  return -1
+endi
+
+
+vg_offline_1:
+
+print ====> start $dnodeId
+system sh/exec.sh -n $dnodeId -s start
+
+$switch_loop_cnt = $switch_loop_cnt + 1
+print $switch_loop_cnt
+
+if $switch_loop_cnt == 1 then
+  sql show vgroups
+  $dnodeId = $data[1][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 2 then
+  sql show vgroups
+  $dnodeId = $data[2][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 3 then
+  sql show vgroups
+  $dnodeId = $data[3][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 4 then
+  sql show vgroups
+  $dnodeId = $data[4][3]  
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+else
+  goto stop_leader_to_offine_loop
+endi
+
+stop_leader_to_offine_loop:
+
+$loop_cnt = 0
+check_vg_ready1:
+$loop_cnt = $loop_cnt + 1
+print $loop_cnt
+sleep 202
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+
+print ====> final test: create stable/child table 
+sql create table stb1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+$ctbPrefix = ctb1
+$ntbPrefix = ntb1
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb1 tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+sleep 1000
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+if $rows != 40 then 
+  return -1
+endi
+
+
+
+system sh/deploy.sh -n dnode5 -i 5
+system sh/exec.sh -n dnode5 -s start
+
+sql connect
+sql create dnode $hostname port 7500
+
+$loop_cnt = 0
+check_dnode_ready3:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 100 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+print ===> $rows $data[4][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+
+if $rows != 5 then
+  return -1
+endi
+
+if $data[4][4] != ready then
+  goto check_dnode_ready3
+endi
+
+
+
+# restart clusters
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+system sh/exec.sh -n dnode5 -s stop -x SIGINT
+
+
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+system sh/exec.sh -n dnode5 -s start
+
+
+$loop_cnt = 0
+check_dnode_ready_2:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+
+if $data[0][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_2
+endi
+
+sql use db;
+$ctbPrefix = ctb2
+$ntbPrefix = ntb2
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb1 tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+sleep 1000
+sql use  db
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+print $rows
+if $rows != 60 then 
+  return -1
+endi
+
+
+
+$replica = 3
+$vgroups = 5
+
+print ============= create database
+sql create database db1 replica $replica vgroups $vgroups
+
+$loop_cnt = 0
+check_db_ready1:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 100 then
+  print ====> db not ready!
+	return -1
+endi
+sql show databases
+print ===> rows: $rows
+print $data(db1)[0] $data(db1)[1] $data(db1)[2] $data(db1)[3] $data(db1)[4] $data(db1)[5] $data(db1)[6] $data(db1)[7] $data(db1)[8] $data(db1)[9] $data(db1)[6] $data(db1)[11] $data(db1)[12]  $data(db1)[13]  $data(db1)[14]  $data(db1)[15]  $data(db1)[16]  $data(db1)[17]  $data(db1)[18]  $data(db1)[19]
+if $rows != 4 then
+  return -1
+endi
+if $data(db1)[19] != ready then
+  goto check_db_ready1
+endi
+
+
+sql use db1
+
+$loop_cnt = 0
+check_vg_ready3:
+$loop_cnt = $loop_cnt + 1
+print $loop_cnt
+sleep 202
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+
+
+
diff --git a/tests/script/tsim/sync/3Replica5VgElect.sim b/tests/script/tsim/sync/3Replica5VgElect.sim
new file mode 100644
index 0000000000..4041263e55
--- /dev/null
+++ b/tests/script/tsim/sync/3Replica5VgElect.sim
@@ -0,0 +1,755 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+
+system sh/cfg.sh -n dnode1 -c supportVnodes -v 0
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+
+$loop_cnt = 0
+check_dnode_ready:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+if $data[0][4] != ready then
+  goto check_dnode_ready
+endi
+
+sql connect
+sql create dnode $hostname port 7200
+sql create dnode $hostname port 7300
+sql create dnode $hostname port 7400
+
+$loop_cnt = 0
+check_dnode_ready_1:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 10 then
+  print ====> dnodes not ready!
+	return -1
+endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_1
+endi
+
+$replica = 3
+$vgroups = 5
+
+print ============= create database
+sql create database db replica $replica vgroups $vgroups
+
+$loop_cnt = 0
+check_db_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 100 then
+  print ====> db not ready!
+	return -1
+endi
+sql show databases
+print ===> rows: $rows
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][6] $data[2][11] $data[2][12]  $data[2][13]  $data[2][14]  $data[2][15]  $data[2][16]  $data[2][17]  $data[2][18]  $data[2][19]
+if $rows != 3 then
+  return -1
+endi
+if $data[2][19] != ready then
+  goto check_db_ready
+endi
+
+sql use db
+
+$loop_cnt = 0
+check_vg_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][10] $data[1][11]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][10] $data[2][11]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][10] $data[3][11]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][10] $data[4][11]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+if $data[1][4] == LEADER then
+   if $data[1][6] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][3] 
+      endi
+   endi
+elif $data[1][6] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][5] 
+      endi
+   endi
+elif $data[1][8] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][6] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+if $data[2][4] == LEADER then
+   if $data[2][6] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][3] 
+      endi
+   endi
+elif $data[2][6] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][5] 
+      endi
+   endi
+elif $data[2][8] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][6] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+if $data[3][4] == LEADER then
+   if $data[3][6] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][3] 
+      endi
+   endi
+elif $data[3][6] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][5] 
+      endi
+   endi
+elif $data[3][8] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][6] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+if $data[4][4] == LEADER then
+   if $data[4][6] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][3] 
+      endi
+   endi
+elif $data[4][6] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][5] 
+      endi
+   endi
+elif $data[4][8] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][6] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][7] 
+      endi
+   endi
+else
+   goto check_vg_ready
+endi
+
+vg_ready:
+print ====>  create stable/child table
+sql create table stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+sql show stables
+if $rows != 1 then 
+  return -1
+endi
+
+$ctbPrefix = ctb
+$ntbPrefix = ntb
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+$totalTblNum = $tbNum * 2
+sleep 1000
+sql show tables
+print ====> expect $totalTblNum and infinsert $rows  in fact 
+if $rows != $totalTblNum then 
+  return -1
+endi
+
+start_switch_leader:
+
+$switch_loop_cnt = 0
+sql show vgroups
+$dnodeId = $data[0][3]
+$dnodeId = dnode . $dnodeId
+
+switch_leader_to_offine_loop:
+
+print $dnodeId
+print ====> stop $dnodeId
+system sh/exec.sh -n $dnodeId -s stop -x SIGINT
+
+
+$loop_cnt = 0
+$loop_cnt = $loop_cnt + 1
+sleep 201
+if $loop_cnt == 300 then
+  print ====> vgroups switch fail!!!
+	return -1
+endi
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][10] $data[1][11]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][10] $data[2][11]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][10] $data[3][11]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][10] $data[4][11]
+if $rows != $vgroups then
+  return -1
+endi
+
+
+vg_offline_1:
+
+print ====> start $dnodeId
+system sh/exec.sh -n $dnodeId -s start
+
+$switch_loop_cnt = $switch_loop_cnt + 1
+print $switch_loop_cnt
+
+if $switch_loop_cnt == 1 then
+  sql show vgroups
+  $dnodeId = $data[1][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 2 then
+  sql show vgroups
+  $dnodeId = $data[2][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 3 then
+  sql show vgroups
+  $dnodeId = $data[3][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 4 then
+  sql show vgroups
+  $dnodeId = $data[4][3]  
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+else
+  goto stop_leader_to_offine_loop
+endi
+
+stop_leader_to_offine_loop:
+
+$loop_cnt = 0
+check_vg_ready1:
+$loop_cnt = $loop_cnt + 1
+print $loop_cnt
+sleep 202
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][10] $data[1][11]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][10] $data[2][11]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][10] $data[3][11]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][10] $data[4][11]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+if $data[1][4] == LEADER then
+   if $data[1][6] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][3] 
+      endi
+   endi
+elif $data[1][6] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][5] 
+      endi
+   endi
+elif $data[1][8] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][6] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+if $data[2][4] == LEADER then
+   if $data[2][6] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][3] 
+      endi
+   endi
+elif $data[2][6] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][5] 
+      endi
+   endi
+elif $data[2][8] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][6] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+if $data[3][4] == LEADER then
+   if $data[3][6] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][3] 
+      endi
+   endi
+elif $data[3][6] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][5] 
+      endi
+   endi
+elif $data[3][8] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][6] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+if $data[4][4] == LEADER then
+   if $data[4][6] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][3] 
+      endi
+   endi
+elif $data[4][6] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][5] 
+      endi
+   endi
+elif $data[4][8] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][6] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][7] 
+      endi
+   endi
+else
+   goto check_vg_ready1
+endi
+
+
+print ====> final test: create stable/child table 
+sql create table stb1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+$ctbPrefix = ctb1
+$ntbPrefix = ntb1
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb1 tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+sleep 1000
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+if $rows != 40 then 
+  return -1
+endi
+
+
+
+system sh/deploy.sh -n dnode5 -i 5
+system sh/exec.sh -n dnode5 -s start
+
+sql connect
+sql create dnode $hostname port 7500
+
+$loop_cnt = 0
+check_dnode_ready3:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 100 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+print ===> $rows $data[4][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+
+if $rows != 5 then
+  return -1
+endi
+
+if $data[4][4] != ready then
+  goto check_dnode_ready3
+endi
+
+
+
+# restart clusters
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+system sh/exec.sh -n dnode5 -s stop -x SIGINT
+
+
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+system sh/exec.sh -n dnode5 -s start
+
+
+$loop_cnt = 0
+check_dnode_ready_2:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+
+if $data[0][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_2
+endi
+
+sql use db;
+$ctbPrefix = ctb2
+$ntbPrefix = ntb2
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb1 tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+sleep 1000
+sql use  db
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+print $rows
+if $rows != 60 then 
+  return -1
+endi
+
+
+
+$replica = 3
+$vgroups = 5
+
+print ============= create database
+sql create database db1 replica $replica vgroups $vgroups
+
+$loop_cnt = 0
+check_db_ready1:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 100 then
+  print ====> db not ready!
+	return -1
+endi
+sql show databases
+print ===> rows: $rows
+print $data(db1)[0] $data(db1)[1] $data(db1)[2] $data(db1)[3] $data(db1)[4] $data(db1)[5] $data(db1)[6] $data(db1)[7] $data(db1)[8] $data(db1)[9] $data(db1)[6] $data(db1)[11] $data(db1)[12]  $data(db1)[13]  $data(db1)[14]  $data(db1)[15]  $data(db1)[16]  $data(db1)[17]  $data(db1)[18]  $data(db1)[19]
+if $rows != 4 then
+  return -1
+endi
+if $data(db1)[19] != ready then
+  goto check_db_ready1
+endi
+
+
+sql use db1
+
+$loop_cnt = 0
+check_vg_ready3:
+$loop_cnt = $loop_cnt + 1
+print $loop_cnt
+sleep 202
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][10] $data[0][11]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][10] $data[1][11]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][10] $data[2][11]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][10] $data[3][11]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][10] $data[4][11]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   if $data[0][6] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+      endi
+   endi
+elif $data[0][6] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][8] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+      endi
+   endi
+elif $data[0][8] == LEADER then
+   if $data[0][4] == FOLLOWER then
+      if $data[0][6] == FOLLOWER then
+         print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+if $data[1][4] == LEADER then
+   if $data[1][6] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][3] 
+      endi
+   endi
+elif $data[1][6] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][8] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][5] 
+      endi
+   endi
+elif $data[1][8] == LEADER then
+   if $data[1][4] == FOLLOWER then
+      if $data[1][6] == FOLLOWER then
+         print ---- vgroup $data[1][0] leader locate on dnode $data[1][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+if $data[2][4] == LEADER then
+   if $data[2][6] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][3] 
+      endi
+   endi
+elif $data[2][6] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][8] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][5] 
+      endi
+   endi
+elif $data[2][8] == LEADER then
+   if $data[2][4] == FOLLOWER then
+      if $data[2][6] == FOLLOWER then
+         print ---- vgroup $data[2][0] leader locate on dnode $data[2][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+if $data[3][4] == LEADER then
+   if $data[3][6] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][3] 
+      endi
+   endi
+elif $data[3][6] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][8] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][5] 
+      endi
+   endi
+elif $data[3][8] == LEADER then
+   if $data[3][4] == FOLLOWER then
+      if $data[3][6] == FOLLOWER then
+         print ---- vgroup $data[3][0] leader locate on dnode $data[3][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+if $data[4][4] == LEADER then
+   if $data[4][6] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][3] 
+      endi
+   endi
+elif $data[4][6] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][8] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][5] 
+      endi
+   endi
+elif $data[4][8] == LEADER then
+   if $data[4][4] == FOLLOWER then
+      if $data[4][6] == FOLLOWER then
+         print ---- vgroup $data[4][0] leader locate on dnode $data[4][7] 
+      endi
+   endi
+else
+   goto check_vg_ready3
+endi
+
+# sql drop dnode 5
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+
+
diff --git a/tests/script/tsim/sync/oneReplica1VgElect.sim b/tests/script/tsim/sync/oneReplica1VgElect.sim
index bb9b3f4496..d98b823192 100644
--- a/tests/script/tsim/sync/oneReplica1VgElect.sim
+++ b/tests/script/tsim/sync/oneReplica1VgElect.sim
@@ -31,7 +31,7 @@ if $data[0][4] != ready then
   goto check_dnode_ready
 endi
 
-#sql connect
+sql connect
 sql create dnode $hostname port 7200
 sql create dnode $hostname port 7300
 sql create dnode $hostname port 7400
@@ -66,139 +66,94 @@ $vgroups = 1
 $replica = 1
 
 print ============= create database
-sql create database db replica $replica vgroups $vgroups
+sql create database db1 replica $replica vgroups $vgroups
 
 $loop_cnt = 0
 check_db_ready:
 $loop_cnt = $loop_cnt + 1
 sleep 200
-if $loop_cnt == 10 then
-  print ====> db not ready!
+if $loop_cnt == 100 then
+  print ====> db1 not ready!
 	return -1
 endi
 sql show databases
 print ===> rows: $rows
-print $data(db)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
+print $data(db1)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
 print $data(db)[13] $data(db)[14] $data(db)[15] $data(db)[16] $data(db)[17] $data(db)[18] $data(db)[19] $data(db)[20]
 if $rows != 3 then
   return -1
 endi
-if $data(db)[19] != ready then
+if $data(db1)[19] != ready then
   goto check_db_ready
 endi
 
-sql use db
+sql use db1
 
 $loop_cnt = 0
 check_vg_ready:
 $loop_cnt = $loop_cnt + 1
 sleep 200
-if $loop_cnt == 10 then
+if $loop_cnt == 300 then
   print ====> vgroups not ready!
 	return -1
 endi
 sql show vgroups
 print ===> rows: $rows
-print $data(2)[0] $data(2)[1] $data(2)[2] $data(2)[3] $data(2)[4] $data(2)[5] $data(2)[6] $data(2)[7] $data(2)[8] $data(2)[9] $data(2)[10] $data(2)[11] $data(2)[12] $data(2)[13]
-print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[10][6] $data[0][11] $data[0][12] $data[0][13]
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
 if $rows != $vgroups then
   return -1
 endi
 if $data[0][4] == LEADER then
-   if $data[0][6] != NULL then
-     goto check_vg_ready
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready
-   endi
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
-  goto vg_ready
-endi
-if $data[0][6] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready
-   endi    
+   goto vg_ready
+elif $data[0][6] == LEADER then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
-  goto vg_ready
-endi
-if $data[0][8] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready
-   endi
-   if $data[0][6] != NULL then
-     goto check_vg_ready
-   endi    
+   goto vg_ready
+elif $data[0][8] == LEADER then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
-  goto vg_ready
+   goto vg_ready
+else
+   goto check_vg_ready
 endi
-vg_ready:
 
-print ====>  create stable/child table, insert data, and select
-sql create table if not exists stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+vg_ready:
+print ====>  create stable/child table
+sql create table stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
 
 sql show stables
 if $rows != 1 then 
   return -1
 endi
 
+
 $ctbPrefix = ctb
 $ntbPrefix = ntb
 $tbNum    = 10
-$rowNum   = 10
-$tstart   = 1640966400000  # 2022-01-01 00:00:00.000
-
 $i = 0
 while $i < $tbNum
   $ctb = $ctbPrefix . $i
   sql create table $ctb using stb tags( $i )
   $ntb = $ntbPrefix . $i
   sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
-  
-  $x = 0
-  while $x < $rowNum
-    $binary = ' . binary
-    $binary = $binary . $i
-    $binary = $binary . '
-
-    sql insert into $ctb values ($tstart , $i , $x , $binary )
-    sql insert into $ntb values ($tstart , 999 , 999 , 'binary-ntb' )
-    $tstart = $tstart + 1
-    $x = $x + 1
-  endw
-  
-  print ====> insert rows: $rowNum into $ctb and $ntb
-
   $i = $i + 1
-  $tstart = 1640966400000
 endw
 
 $totalTblNum = $tbNum * 2
+sleep 1000
 sql show tables
+print ====> expect $totalTblNum and infinsert $rows  in fact 
 if $rows != $totalTblNum then 
   return -1
 endi
 
-sql select count(*) from ntb0
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $rowNum then 
-  return -1
-endi
+start_switch_leader:
 
-$totalRowsOfStb = $rowNum * $tbNum
-sql select count(*) from stb
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $totalRowsOfStb then 
-  return -1
-endi
+$switch_loop_cnt = 0
+switch_leader_to_offine_loop:
 
 print ====> finde vnode of leader, and stop the dnode where the vnode is located, and query stb/ntb count(*)
 sql show vgroups
-print $data(2)[0] $data(2)[1] $data(2)[2] $data(2)[3] $data(2)[4] $data(2)[5] $data(2)[6] $data(2)[7] $data(2)[8] $data(2)[9] $data(2)[10] $data(2)[11] $data(2)[12] $data(2)[13]
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
 if $data[0][4] == LEADER then
   $dnodeId = $data[0][3]
 elif $data[0][6] == LEADER then
@@ -213,148 +168,78 @@ endi
 $dnodeId = dnode . $dnodeId
 print ====> stop $dnodeId
 system sh/exec.sh -n $dnodeId -s stop -x SIGINT
+#print ====> start $dnodeId
+#system sh/exec.sh -n $dnodeId -s start
 
 $loop_cnt = 0
 check_vg_ready_2:
 $loop_cnt = $loop_cnt + 1
 sleep 200
-if $loop_cnt == 10 then
+if $loop_cnt == 300 then
   print ====> vgroups switch fail!!!
 	return -1
 endi
 sql show vgroups
 print ===> rows: $rows
-print $data(2)[0] $data(2)[1] $data(2)[2] $data(2)[3] $data(2)[4] $data(2)[5] $data(2)[6] $data(2)[7] $data(2)[8] $data(2)[9] $data(2)[10] $data(2)[11] $data(2)[12] $data(2)[13]
-print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[10][6] $data[0][11] $data[0][12] $data[0][13]
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
-   if $data[0][6] != NULL then
-     goto check_vg_ready_2
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready_2
-   endi
-   print ---- vgroup $data[0][0] leader switch to dnode $data[0][3] 
-  goto vg_ready_2
-endi
-if $data[0][6] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready_2
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready_2
-   endi    
-   print ---- vgroup $data[0][0] leader switch to dnode $data[0][5] 
-  goto vg_ready_2
-endi
-if $data[0][8] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready_2
-   endi
-   if $data[0][6] != NULL then
-     goto check_vg_ready_2
-   endi    
-   print ---- vgroup $data[0][0] leader switch to dnode $data[0][7] 
-  goto vg_ready_2
-endi
-vg_ready_2:
 
-sql select count(*) from ntb0
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $rowNum then 
-  return -1
-endi
+if $data[0][4] == OFFLINE then
+  print ---- vgroup $dnodeId leader switch to offline
+  goto vg_offline_1
+elif $data[0][6] == OFFLINE then
+  print ---- vgroup $dnodeId leader switch to offline
+  goto vg_offline_1
+elif $data[0][8] == OFFLINE then
+  print ---- vgroup $dnodeId leader switch to offline
+  goto vg_offline_1
+else 
+  goto check_vg_ready_2
+endi   
 
-sql select count(*) from ctb0
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $rowNum then 
-  return -1
-endi
+vg_offline_1:
 
-sql select count(*) from stb
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $totalRowsOfStb then 
-  return -1
-endi
+print ====> start $dnodeId
+system sh/exec.sh -n $dnodeId -s start
 
-print ====> stop and start all dnode(not include the dnode where mnode is located), then query
-system sh/exec.sh -n dnode2 -s stop -x SIGINT
-system sh/exec.sh -n dnode3 -s stop -x SIGINT
-system sh/exec.sh -n dnode4 -s stop -x SIGINT
-system sh/exec.sh -n dnode4 -s start
-system sh/exec.sh -n dnode3 -s start
-system sh/exec.sh -n dnode2 -s start
-
-$loop_cnt = 0
-check_vg_ready_1:
-$loop_cnt = $loop_cnt + 1
+$loop_cnt1= 0
+check_vg1_ready:
+$loop_cnt1 = $loop_cnt1 + 1
 sleep 200
-if $loop_cnt == 10 then
-  print ====> after restart dnode, vgroups not ready!
+if $loop_cnt1 == 300 then
+  print ====> vgroups not ready!
 	return -1
 endi
 sql show vgroups
 print ===> rows: $rows
-print $data(2)[0] $data(2)[1] $data(2)[2] $data(2)[3] $data(2)[4] $data(2)[5] $data(2)[6] $data(2)[7] $data(2)[8] $data(2)[9] $data(2)[10] $data(2)[11] $data(2)[12] $data(2)[13]
-print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[10][6] $data[0][11] $data[0][12] $data[0][13]
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
 if $rows != $vgroups then
   return -1
 endi
 if $data[0][4] == LEADER then
-   if $data[0][6] != NULL then
-     goto check_vg_ready_1
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready_1
-   endi    
-  goto vg_ready_1
-endi
-if $data[0][6] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready_1
-   endi
-   if $data[0][8] != NULL then
-     goto check_vg_ready_1
-   endi    
-  goto vg_ready_1
-endi
-if $data[0][8] == LEADER then
-   if $data[0][4] != NULL then
-     goto check_vg_ready_1
-   endi
-   if $data[0][6] != NULL then
-     goto check_vg_ready_1
-   endi    
-  goto vg_ready_1
-endi
-vg_ready_1:
-
-print ====> after restart dnode2/dnode3/dnode4, query stb/ntb count(*)
-sql select count(*) from ntb0
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $rowNum then 
-  return -1
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+   goto countinu_loop
+elif $data[0][6] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+   goto countinu_loop
+elif $data[0][8] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+   goto countinu_loop
+else
+   goto check_vg1_ready
 endi
 
-sql select count(*) from ctb0
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $rowNum then 
-  return -1
+countinu_loop:
+
+$switch_loop_cnt = $switch_loop_cnt + 1
+print  $switch_loop_cnt
+if $switch_loop_cnt < 4 then
+  goto switch_leader_to_offine_loop
 endi
 
-sql select count(*) from stb
-print rows: $rows 
-print $data[0][0]  $data[0][1]
-if $data[0][0] != $totalRowsOfStb then 
-  return -1
-endi
+stop_leader_to_offine_loop:
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
diff --git a/tests/script/tsim/sync/oneReplica5VgElect.sim b/tests/script/tsim/sync/oneReplica5VgElect.sim
new file mode 100644
index 0000000000..d6d18093c3
--- /dev/null
+++ b/tests/script/tsim/sync/oneReplica5VgElect.sim
@@ -0,0 +1,417 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+
+system sh/cfg.sh -n dnode1 -c supportVnodes -v 0
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+
+$loop_cnt = 0
+check_dnode_ready:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+if $data[0][4] != ready then
+  goto check_dnode_ready
+endi
+
+sql connect
+sql create dnode $hostname port 7200
+sql create dnode $hostname port 7300
+sql create dnode $hostname port 7400
+
+$loop_cnt = 0
+check_dnode_ready_1:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 10 then
+  print ====> dnodes not ready!
+	return -1
+endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_1
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_1
+endi
+
+$replica = 1
+$vgroups = 5
+
+print ============= create database
+sql create database db1 replica $replica vgroups $vgroups
+
+$loop_cnt = 0
+check_db_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 100 then
+  print ====> db1 not ready!
+	return -1
+endi
+sql show databases
+print ===> rows: $rows
+print $data(db1)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
+if $rows != 3 then
+  return -1
+endi
+if $data(db1)[19] != ready then
+  goto check_db_ready
+endi
+
+sql use db1
+
+$loop_cnt = 0
+check_vg_ready:
+$loop_cnt = $loop_cnt + 1
+sleep 200
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+elif $data[0][6] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+elif $data[0][8] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready
+endi
+
+if $data[1][4] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[0][3] 
+elif $data[1][6] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[0][5] 
+elif $data[1][8] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready
+endi
+
+if $data[2][4] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[0][3] 
+elif $data[2][6] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[0][5] 
+elif $data[2][8] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready
+endi
+
+if $data[3][4] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[0][3] 
+elif $data[3][6] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[0][5] 
+elif $data[3][8] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready
+endi
+
+if $data[4][4] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[0][3] 
+elif $data[4][6] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[0][5] 
+elif $data[4][8] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready
+endi
+
+vg_ready:
+print ====>  create stable/child table
+sql create table stb (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+sql show stables
+if $rows != 1 then 
+  return -1
+endi
+
+$ctbPrefix = ctb
+$ntbPrefix = ntb
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+$totalTblNum = $tbNum * 2
+sleep 1000
+sql show tables
+print ====> expect $totalTblNum and infinsert $rows  in fact 
+if $rows != $totalTblNum then 
+  return -1
+endi
+
+start_switch_leader:
+
+$switch_loop_cnt = 0
+sql show vgroups
+$dnodeId = $data[0][3]
+$dnodeId = dnode . $dnodeId
+
+switch_leader_to_offine_loop:
+
+print $dnodeId
+print ====> stop $dnodeId
+system sh/exec.sh -n $dnodeId -s stop -x SIGINT
+
+
+$loop_cnt = 0
+check_vg_ready_2:
+$loop_cnt = $loop_cnt + 1
+sleep 201
+if $loop_cnt == 300 then
+  print ====> vgroups switch fail!!!
+	return -1
+endi
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][6] $data[1][11] $data[1][12] $data[1][13]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][6] $data[2][11] $data[2][12] $data[2][13]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][6] $data[3][11] $data[3][12] $data[3][13]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][6] $data[4][11] $data[4][12] $data[4][13]
+if $rows != $vgroups then
+  return -1
+endi
+
+
+vg_offline_1:
+
+print ====> start $dnodeId
+system sh/exec.sh -n $dnodeId -s start
+
+$switch_loop_cnt = $switch_loop_cnt + 1
+print $switch_loop_cnt
+
+if $switch_loop_cnt == 1 then
+  sql show vgroups
+  $dnodeId = $data[1][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 2 then
+  sql show vgroups
+  $dnodeId = $data[2][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 3 then
+  sql show vgroups
+  $dnodeId = $data[3][3]
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+elif $switch_loop_cnt == 4 then
+  sql show vgroups
+  $dnodeId = $data[4][3]  
+  $dnodeId = dnode . $dnodeId
+  goto switch_leader_to_offine_loop
+else
+  goto stop_leader_to_offine_loop
+endi
+
+stop_leader_to_offine_loop:
+
+$loop_cnt = 0
+check_vg_ready1:
+$loop_cnt = $loop_cnt + 1
+print $loop_cnt
+sleep 202
+if $loop_cnt == 300 then
+  print ====> vgroups not ready!
+	return -1
+endi
+
+sql show vgroups
+print ===> rows: $rows
+print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6] $data[0][7] $data[0][8] $data[0][9] $data[0][6] $data[0][11] $data[0][12] $data[0][13]
+print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6] $data[1][7] $data[1][8] $data[1][9] $data[1][6] $data[1][11] $data[1][12] $data[1][13]
+print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6] $data[2][7] $data[2][8] $data[2][9] $data[2][6] $data[2][11] $data[2][12] $data[2][13]
+print $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6] $data[3][7] $data[3][8] $data[3][9] $data[3][6] $data[3][11] $data[3][12] $data[3][13]
+print $data[4][0] $data[4][1] $data[4][2] $data[4][3] $data[4][4] $data[4][5] $data[4][6] $data[4][7] $data[4][8] $data[4][9] $data[4][6] $data[4][11] $data[4][12] $data[4][13]
+if $rows != $vgroups then
+  return -1
+endi
+
+if $data[0][4] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
+elif $data[0][6] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
+elif $data[0][8] == LEADER then
+   print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
+else
+   goto check_vg_ready1
+endi
+
+if $data[1][4] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[1][3] 
+elif $data[1][6] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[1][5] 
+elif $data[1][8] == LEADER then
+   print ---- vgroup $data[1][0] leader locate on dnode $data[1][7] 
+else
+   goto check_vg_ready1
+endi
+
+if $data[2][4] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[2][3] 
+elif $data[2][6] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[2][5] 
+elif $data[2][8] == LEADER then
+   print ---- vgroup $data[2][0] leader locate on dnode $data[2][7] 
+else
+   goto check_vg_ready
+endi
+
+if $data[3][4] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[3][3] 
+elif $data[3][6] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[3][5] 
+elif $data[3][8] == LEADER then
+   print ---- vgroup $data[3][0] leader locate on dnode $data[3][7] 
+else
+   goto check_vg_ready1
+endi
+
+if $data[4][4] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[4][3] 
+elif $data[4][6] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[4][5] 
+elif $data[4][8] == LEADER then
+   print ---- vgroup $data[4][0] leader locate on dnode $data[4][7] 
+else
+   goto check_vg_ready1
+endi
+
+
+print ====> final test: create stable/child table 
+sql create table stb1 (ts timestamp, c1 int, c2 float, c3 binary(10)) tags (t1 int)
+
+
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+$ctbPrefix = ctb1
+$ntbPrefix = ntb1
+$tbNum    = 10
+$i = 0
+while $i < $tbNum
+  $ctb = $ctbPrefix . $i
+  sql create table $ctb using stb1 tags( $i )
+  $ntb = $ntbPrefix . $i
+  sql create table $ntb (ts timestamp, c1 int, c2 float, c3 binary(10))
+  $i = $i + 1
+endw
+
+
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+if $rows != 40 then 
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+
+
+
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+
+
+
+$loop_cnt = 0
+check_dnode_ready_2:
+	$loop_cnt = $loop_cnt + 1
+	sleep 200
+	if $loop_cnt == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
+print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] $data[1][5] $data[1][6]
+print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4] $data[2][5] $data[2][6]
+print ===> $rows $data[3][0] $data[3][1] $data[3][2] $data[3][3] $data[3][4] $data[3][5] $data[3][6]
+if $data[0][0] != 1 then
+  return -1
+endi
+
+if $data[0][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[1][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[2][4] != ready then
+  goto check_dnode_ready_2
+endi
+if $data[3][4] != ready then
+  goto check_dnode_ready_2
+endi
+
+sql use  db1
+sql show stables
+if $rows != 2 then 
+  return -1
+endi
+
+sql show tables
+if $rows != 40 then 
+  return -1
+endi
+
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+system sh/exec.sh -n dnode4 -s stop -x SIGINT