diff --git a/tests/pytest/client/client.py b/tests/pytest/client/client.py
index 9a155a4df9..6cfb1252bd 100644
--- a/tests/pytest/client/client.py
+++ b/tests/pytest/client/client.py
@@ -47,7 +47,7 @@ class TDTestCase:
 
         time.sleep(1)
 
-        ret = tdSql.query('show mnodes')
+        ret = tdSql.query('select * from information_schema.ins_mnodes')
         tdSql.checkRows(1)
         tdSql.checkData(0, 2, "master")
 
diff --git a/tests/script/tsim/backup/arbitrator/dn3_mn2_killDnode.sim b/tests/script/tsim/backup/arbitrator/dn3_mn2_killDnode.sim
index d90853d2e4..92731c2202 100644
--- a/tests/script/tsim/backup/arbitrator/dn3_mn2_killDnode.sim
+++ b/tests/script/tsim/backup/arbitrator/dn3_mn2_killDnode.sim
@@ -94,7 +94,7 @@ print ============== step3: stop dnode2
 system sh/exec.sh -n dnode2 -s stop
 sleep 2000
 
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
diff --git a/tests/script/tsim/backup/arbitrator/replica_changeWithArbitrator.sim b/tests/script/tsim/backup/arbitrator/replica_changeWithArbitrator.sim
index df82f7d7d2..b34f1c8304 100644
--- a/tests/script/tsim/backup/arbitrator/replica_changeWithArbitrator.sim
+++ b/tests/script/tsim/backup/arbitrator/replica_changeWithArbitrator.sim
@@ -203,7 +203,7 @@ $cnt = $cnt + 1
 if $cnt == 10 then
   return -1
 endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 2 then
   sleep 2000
   goto wait_dnode2_master
diff --git a/tests/script/tsim/backup/cluster/cluster_main.sim b/tests/script/tsim/backup/cluster/cluster_main.sim
index c6da56e2f7..024d1922f5 100644
--- a/tests/script/tsim/backup/cluster/cluster_main.sim
+++ b/tests/script/tsim/backup/cluster/cluster_main.sim
@@ -121,8 +121,8 @@ sleep 10000
 #system rm -rf ../../../sim/dnode1/data
 #sleep 20000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -137,8 +137,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step6-1: restart dnode1
 system sh/exec.sh -n dnode1 -s start
 sleep 10000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -154,8 +154,8 @@ print ============== step7: stop dnode2
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep 3000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -170,8 +170,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step8: restart dnode2, then wait sync end
 system sh/exec.sh -n dnode2 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -186,8 +186,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step9: stop dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -202,8 +202,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step10: restart dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -222,8 +222,8 @@ sleep 20000
 print ============== step12: restart dnode4, then wait sync end
 system sh/exec.sh -n dnode4 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
diff --git a/tests/script/tsim/backup/cluster/cluster_main0.sim b/tests/script/tsim/backup/cluster/cluster_main0.sim
index d1a05eff32..70c14eaff7 100644
--- a/tests/script/tsim/backup/cluster/cluster_main0.sim
+++ b/tests/script/tsim/backup/cluster/cluster_main0.sim
@@ -124,8 +124,8 @@ print ============== step6-1: restart dnode1
 system sh/exec.sh -n dnode1 -s start
 sleep 10000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -141,8 +141,8 @@ print ============== step7: stop dnode2
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep 3000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -157,8 +157,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step8: restart dnode2, then wait sync end
 system sh/exec.sh -n dnode2 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -173,8 +173,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step9: stop dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -189,8 +189,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step10: restart dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -209,8 +209,8 @@ sleep 20000
 print ============== step12: restart dnode4, then wait sync end
 system sh/exec.sh -n dnode4 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
diff --git a/tests/script/tsim/backup/cluster/cluster_main1.sim b/tests/script/tsim/backup/cluster/cluster_main1.sim
index 958ce8531a..db7708bc24 100644
--- a/tests/script/tsim/backup/cluster/cluster_main1.sim
+++ b/tests/script/tsim/backup/cluster/cluster_main1.sim
@@ -123,8 +123,8 @@ print ============== step6-1: restart dnode1
 system sh/exec.sh -n dnode1 -s start
 sleep 10000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -140,8 +140,8 @@ print ============== step7: stop dnode2
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep 3000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -156,8 +156,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step8: restart dnode2, then wait sync end
 system sh/exec.sh -n dnode2 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -172,8 +172,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step9: stop dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -188,8 +188,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step10: restart dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -208,8 +208,8 @@ sleep 20000
 #print ============== step12: restart dnode4, then wait sync end
 #system sh/exec.sh -n dnode4 -s start
 #sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
diff --git a/tests/script/tsim/backup/cluster/cluster_main2.sim b/tests/script/tsim/backup/cluster/cluster_main2.sim
index ab043641b2..d4ef23d266 100644
--- a/tests/script/tsim/backup/cluster/cluster_main2.sim
+++ b/tests/script/tsim/backup/cluster/cluster_main2.sim
@@ -127,8 +127,8 @@ print ============== step6-1: restart dnode1
 system sh/exec.sh -n dnode1 -s start
 sleep 10000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -144,8 +144,8 @@ print ============== step7: stop dnode2
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep 3000
 
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -160,8 +160,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step8: restart dnode2, then wait sync end
 system sh/exec.sh -n dnode2 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -176,8 +176,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step9: stop dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -192,8 +192,8 @@ print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 print ============== step10: restart dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s start
 sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
@@ -212,8 +212,8 @@ sleep 20000
 #print ============== step12: restart dnode4, then wait sync end
 #system sh/exec.sh -n dnode4 -s start
 #sleep 20000
-sql show mnodes
-print show mnodes
+sql select * from information_schema.ins_mnodes
+print select * from information_schema.ins_mnodes
 print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
diff --git a/tests/script/tsim/backup/clusterSimCase/cluster_main.sim b/tests/script/tsim/backup/clusterSimCase/cluster_main.sim
index dba09f94e6..8614164f8a 100644
--- a/tests/script/tsim/backup/clusterSimCase/cluster_main.sim
+++ b/tests/script/tsim/backup/clusterSimCase/cluster_main.sim
@@ -16,7 +16,7 @@
 #           5 |         718 | ready      |            2 |      3 | master      |      2 | slave       |
 #Query OK, 4 row(s) in set (0.002749s)
 #
-#taos> show mnodes
+#taos> select * from information_schema.ins_mnodes
 #   -> ;
 #   id   |           end_point            |      role      |       create_time       |
 #=====================================================================================
diff --git a/tests/script/tsim/bnode/basic1.sim b/tests/script/tsim/bnode/basic1.sim
index 3dc732ffd4..003d0ceb3d 100644
--- a/tests/script/tsim/bnode/basic1.sim
+++ b/tests/script/tsim/bnode/basic1.sim
@@ -15,7 +15,7 @@ if $data00 != 1 then
   return -1
 endi
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
@@ -62,7 +62,7 @@ if $data14 != ready then
   return -1
 endi
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/dnode/create_dnode.sim b/tests/script/tsim/dnode/create_dnode.sim
index b307ad0341..42e2e21bdc 100644
--- a/tests/script/tsim/dnode/create_dnode.sim
+++ b/tests/script/tsim/dnode/create_dnode.sim
@@ -17,7 +17,7 @@ if $data00 != 1 then
 endi
 
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $data[0][6]
 if $rows != 1 then 
   return -1
@@ -65,7 +65,7 @@ if $data14 != ready then
   return -1
 endi
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/dnode/drop_dnode_has_mnode.sim b/tests/script/tsim/dnode/drop_dnode_has_mnode.sim
index b1959ad8a6..054f978607 100644
--- a/tests/script/tsim/dnode/drop_dnode_has_mnode.sim
+++ b/tests/script/tsim/dnode/drop_dnode_has_mnode.sim
@@ -59,7 +59,7 @@ step3:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step3
+sql select * from information_schema.ins_mnodes -x step3
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 if $data(1)[2] != leader then
@@ -84,8 +84,8 @@ if $data00 != 1 then
   return -1
 endi
 
-print show mnodes; 
-sql show mnodes
+print select * from information_schema.ins_mnodes; 
+sql select * from information_schema.ins_mnodes
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 if $rows != 1 then
diff --git a/tests/script/tsim/dnode/use_dropped_dnode.sim b/tests/script/tsim/dnode/use_dropped_dnode.sim
index 21bf02f61a..3a5defc505 100644
--- a/tests/script/tsim/dnode/use_dropped_dnode.sim
+++ b/tests/script/tsim/dnode/use_dropped_dnode.sim
@@ -115,7 +115,7 @@ step4:
 	  print ====> dnode not online!
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
 if $rows != 2 then
diff --git a/tests/script/tsim/mnode/basic1.sim b/tests/script/tsim/mnode/basic1.sim
index 05515dac59..59156080c8 100644
--- a/tests/script/tsim/mnode/basic1.sim
+++ b/tests/script/tsim/mnode/basic1.sim
@@ -6,7 +6,7 @@ system sh/exec.sh -n dnode2 -s start
 sql connect
 
 print =============== select * from information_schema.ins_dnodes
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
@@ -49,7 +49,7 @@ step2:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 
@@ -72,7 +72,7 @@ endi
 sleep 2000
 print ============ drop mnode 2
 sql drop mnode on dnode 2
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 1 then 
   return -1
 endi
@@ -85,7 +85,7 @@ step2:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 
@@ -109,7 +109,7 @@ sleep 2000
 
 print =============== create mnodes
 sql create mnode on dnode 2
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 2 then 
   return -1
 endi
@@ -121,7 +121,7 @@ step3:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 
diff --git a/tests/script/tsim/mnode/basic2.sim b/tests/script/tsim/mnode/basic2.sim
index 217d823d61..5be29e88a6 100644
--- a/tests/script/tsim/mnode/basic2.sim
+++ b/tests/script/tsim/mnode/basic2.sim
@@ -6,7 +6,7 @@ system sh/exec.sh -n dnode2 -s start
 sql connect
 
 print =============== select * from information_schema.ins_dnodes
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
@@ -46,7 +46,7 @@ step2:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 
@@ -88,7 +88,7 @@ system sh/exec.sh -n dnode1 -s start
 system sh/exec.sh -n dnode2 -s start
 
 sql connect
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 2 then 
   return -1
 endi
diff --git a/tests/script/tsim/mnode/basic3.sim b/tests/script/tsim/mnode/basic3.sim
index d1b7587db1..02650ba10d 100644
--- a/tests/script/tsim/mnode/basic3.sim
+++ b/tests/script/tsim/mnode/basic3.sim
@@ -49,7 +49,7 @@ step2:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step2
+sql select * from information_schema.ins_mnodes -x step2
 
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
@@ -87,7 +87,7 @@ step4:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step4
+sql select * from information_schema.ins_mnodes -x step4
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 print $data(3)[0] $data(3)[1] $data(3)[2] 
@@ -126,7 +126,7 @@ step5:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step5
+sql select * from information_schema.ins_mnodes -x step5
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 print $data(3)[0] $data(3)[1] $data(3)[2] 
@@ -165,7 +165,7 @@ step6:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step6
+sql select * from information_schema.ins_mnodes -x step6
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 print $data(3)[0] $data(3)[1] $data(3)[2] 
diff --git a/tests/script/tsim/mnode/basic4.sim b/tests/script/tsim/mnode/basic4.sim
index 8ad054746a..a2b8aa2f96 100644
--- a/tests/script/tsim/mnode/basic4.sim
+++ b/tests/script/tsim/mnode/basic4.sim
@@ -49,7 +49,7 @@ endi
 system sh/exec.sh -n dnode3 -s stop
 sql_error create mnode on dnode 3
 
-print =============== step3: show mnodes
+print =============== step3: select * from information_schema.ins_mnodes
 
 $x = 0
 step3: 
@@ -58,7 +58,7 @@ step3:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step3
+sql select * from information_schema.ins_mnodes -x step3
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4]
@@ -96,7 +96,7 @@ step4:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step4
+sql select * from information_schema.ins_mnodes -x step4
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4]
@@ -135,7 +135,7 @@ step5:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step5
+sql select * from information_schema.ins_mnodes -x step5
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4]
@@ -173,7 +173,7 @@ step6:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step6
+sql select * from information_schema.ins_mnodes -x step6
 print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] 
 print $data[1][0] $data[1][1] $data[1][2] $data[1][3] $data[1][4] 
 print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4]
diff --git a/tests/script/tsim/mnode/basic5.sim b/tests/script/tsim/mnode/basic5.sim
index 73faf5abe2..387f38a717 100644
--- a/tests/script/tsim/mnode/basic5.sim
+++ b/tests/script/tsim/mnode/basic5.sim
@@ -67,7 +67,7 @@ step31:
 	if $x == 50 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 $leaderNum = 0
 if $data(1)[2] == leader then
   $leaderNum = 1
@@ -161,7 +161,7 @@ step61:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes -x step61
+sql select * from information_schema.ins_mnodes -x step61
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
 print ===> $data20 $data21 $data22 $data23 $data24 $data25
@@ -215,7 +215,7 @@ step81:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
 print ===> $data20 $data21 $data22 $data23 $data24 $data25
@@ -271,7 +271,7 @@ step92:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
 print ===> $data20 $data21 $data22 $data23 $data24 $data25
@@ -301,7 +301,7 @@ stepa:
 	if $x == 10 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
 print ===> $data10 $data11 $data12 $data13 $data14 $data15
 print ===> $data20 $data21 $data22 $data23 $data24 $data25
diff --git a/tests/script/tsim/qnode/basic1.sim b/tests/script/tsim/qnode/basic1.sim
index 27a3aa9e2a..deaa457e1e 100644
--- a/tests/script/tsim/qnode/basic1.sim
+++ b/tests/script/tsim/qnode/basic1.sim
@@ -62,7 +62,7 @@ if $data14 != ready then
   return -1
 endi
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/show/basic.sim b/tests/script/tsim/show/basic.sim
index af9b74665a..eb2c808dad 100644
--- a/tests/script/tsim/show/basic.sim
+++ b/tests/script/tsim/show/basic.sim
@@ -44,7 +44,7 @@ if $rows != 2 then
   return -1
 endi
 
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 1 then 
   return -1
 endi
@@ -142,7 +142,7 @@ if $rows != 2 then
   return -1
 endi
 
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/snode/basic1.sim b/tests/script/tsim/snode/basic1.sim
index d20f312e34..86072215f7 100644
--- a/tests/script/tsim/snode/basic1.sim
+++ b/tests/script/tsim/snode/basic1.sim
@@ -62,7 +62,7 @@ if $data14 != ready then
   return -1
 endi
 
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/sync/3Replica5VgElect3mnode.sim b/tests/script/tsim/sync/3Replica5VgElect3mnode.sim
index 96a895303d..a431f5634d 100644
--- a/tests/script/tsim/sync/3Replica5VgElect3mnode.sim
+++ b/tests/script/tsim/sync/3Replica5VgElect3mnode.sim
@@ -276,7 +276,7 @@ check_mnode_ready_2:
 	   print ====> first create three mnode not ready!
 	   return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
@@ -568,7 +568,7 @@ check_mnode_ready_3:
 	   print ====> second mnode not ready!
 	   return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
@@ -847,7 +847,7 @@ check_mnode_ready_3:
 	   print ====> third: mnode not ready!
 	   return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
diff --git a/tests/script/tsim/sync/3Replica5VgElect3mnodedrop.sim b/tests/script/tsim/sync/3Replica5VgElect3mnodedrop.sim
index 72ecd8ed50..a0826d9708 100644
--- a/tests/script/tsim/sync/3Replica5VgElect3mnodedrop.sim
+++ b/tests/script/tsim/sync/3Replica5VgElect3mnodedrop.sim
@@ -278,7 +278,7 @@ check_mnode_ready_2:
 	   print ====> first create three mnode not ready!
 	   return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
@@ -531,7 +531,7 @@ check_mnode_ready_3:
 	   print ====> second mnode not ready!
 	   return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
@@ -580,7 +580,7 @@ if $loop_cnt == 300 then
   print ====> vgroups not ready!
 	return -1
 endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print ===> $rows $data[0][0] $data[0][1] $data[0][2] $data[0][3]
 print ===> $rows $data[1][0] $data[1][1] $data[1][2] $data[1][3]
 print ===> $rows $data[2][0] $data[2][1] $data[2][2] $data[2][3]
diff --git a/tests/script/tsim/sync/mnodeLeaderTransfer.sim b/tests/script/tsim/sync/mnodeLeaderTransfer.sim
index 6780fb413c..ed21ac19c3 100644
--- a/tests/script/tsim/sync/mnodeLeaderTransfer.sim
+++ b/tests/script/tsim/sync/mnodeLeaderTransfer.sim
@@ -8,7 +8,7 @@ system sh/exec.sh -n dnode3 -s start
 sql connect
 
 print =============== select * from information_schema.ins_dnodes
-sql show mnodes;
+sql select * from information_schema.ins_mnodes;
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/user/password.sim b/tests/script/tsim/user/password.sim
index 19eb3a4423..d26b9dbc2e 100644
--- a/tests/script/tsim/user/password.sim
+++ b/tests/script/tsim/user/password.sim
@@ -10,7 +10,7 @@ sql create user u_write pass 'taosdata1'
 sql alter user u_read pass 'taosdata'
 sql alter user u_write pass 'taosdata'
 
-sql select * from information_schema.ins_users
+sql show users
 if $rows != 3 then 
   return -1
 endi
@@ -26,7 +26,7 @@ sql_error alter user u_write pass 'taosdata1'
 sql_error create user read1 pass 'taosdata1'
 sql_error create user write1 pass 'taosdata1'
 
-sql select * from information_schema.ins_users
+sql show users
 if $rows != 3 then 
   return -1
 endi
@@ -41,7 +41,7 @@ sql_error create user write2 pass 'taosdata1'
 sql alter user u_write pass 'taosdata'
 sql_error alter user u_read pass 'taosdata' 
 
-sql select * from information_schema.ins_users
+sql show users
 if $rows != 3 then 
   return -1
 endi
@@ -56,7 +56,7 @@ sql_error create userabcd012345678901234567891234567890abcd012345678901234567891
 sql_error create user abcd0123456789012345678901234567890111 PASS '123'
 sql create user abc01234567890123456789 PASS '123'
 
-sql select * from information_schema.ins_users
+sql show users
 if $rows != 5 then 
   return -1
 endi
diff --git a/tests/script/tsim/user/privilege_sysinfo.sim b/tests/script/tsim/user/privilege_sysinfo.sim
index f98eae13c3..cbf714ed73 100644
--- a/tests/script/tsim/user/privilege_sysinfo.sim
+++ b/tests/script/tsim/user/privilege_sysinfo.sim
@@ -52,7 +52,7 @@ print =============== check show
 sql_error select * from information_schema.ins_users
 sql_error show cluster
 sql_error select * from information_schema.ins_dnodes
-sql_error show mnodes
+sql_error select * from information_schema.ins_mnodes
 sql_error show snodes
 sql_error show qnodes
 sql_error show bnodes
diff --git a/tests/script/tsim/valgrind/checkError1.sim b/tests/script/tsim/valgrind/checkError1.sim
index d5fdaf1430..5f82d2d935 100644
--- a/tests/script/tsim/valgrind/checkError1.sim
+++ b/tests/script/tsim/valgrind/checkError1.sim
@@ -58,7 +58,7 @@ if $rows != 2 then
   return -1
 endi
 
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 if $rows != 1 then 
   return -1
 endi
diff --git a/tests/script/tsim/vnode/replica3_basic.sim b/tests/script/tsim/vnode/replica3_basic.sim
index c0e9d0cc6d..473e53e84b 100644
--- a/tests/script/tsim/vnode/replica3_basic.sim
+++ b/tests/script/tsim/vnode/replica3_basic.sim
@@ -47,7 +47,7 @@ step02:
 	if $x == 20 then
 		return -1
 	endi
-sql show mnodes
+sql select * from information_schema.ins_mnodes
 print $data(1)[0] $data(1)[1] $data(1)[2] 
 print $data(2)[0] $data(2)[1] $data(2)[2] 
 print $data(3)[0] $data(3)[1] $data(3)[2] 
diff --git a/tests/system-test/0-others/user_control.py b/tests/system-test/0-others/user_control.py
index b020dbae2b..5e0a2b4102 100644
--- a/tests/system-test/0-others/user_control.py
+++ b/tests/system-test/0-others/user_control.py
@@ -692,7 +692,7 @@ class TDTestCase:
         taos4_conn = taos.connect(user=self.__user_list[4], password=f"new{self.__passwd_list[4]}")
         taos4_except = True
         try:
-            taos4_conn.query(f"show mnodes")
+            taos4_conn.query(f"select * from information_schema.ins_mnodes")
             taos4_conn.query(f"show {DBNAME}.vgroups")
         except BaseException:
             taos4_except = False
diff --git a/tests/system-test/6-cluster/5dnode1mnode.py b/tests/system-test/6-cluster/5dnode1mnode.py
index 6a8f5a2efb..60b70433ed 100644
--- a/tests/system-test/6-cluster/5dnode1mnode.py
+++ b/tests/system-test/6-cluster/5dnode1mnode.py
@@ -94,7 +94,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
         tdSql.checkData(0,3,'ready')
diff --git a/tests/system-test/6-cluster/5dnode2mnode.py b/tests/system-test/6-cluster/5dnode2mnode.py
index 59d4f5f18f..f62483cfe2 100644
--- a/tests/system-test/6-cluster/5dnode2mnode.py
+++ b/tests/system-test/6-cluster/5dnode2mnode.py
@@ -48,7 +48,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
         tdSql.checkData(0,3,'ready')
@@ -62,7 +62,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             tdSql.checkRows(2)
             if  tdSql.queryResult[0][2]=='leader' :
                 if  tdSql.queryResult[1][2]=='follower':
diff --git a/tests/system-test/6-cluster/5dnode3mnodeDrop.py b/tests/system-test/6-cluster/5dnode3mnodeDrop.py
index 32f222dacb..d95124c445 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeDrop.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeDrop.py
@@ -117,7 +117,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -141,7 +141,7 @@ class TDTestCase:
             tdLog.debug("three mnodes is not ready in 10s ")
             return -1
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,3,'ready')
@@ -154,7 +154,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='offline' :
@@ -172,7 +172,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 1;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'offline')
@@ -186,7 +186,7 @@ class TDTestCase:
         count=0
         while count < 40:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -200,7 +200,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 2;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -216,7 +216,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -229,7 +229,7 @@ class TDTestCase:
             tdLog.debug("stop mnodes  on dnode 3 failed in 10s")
             return -1
         tdSql.error("drop mnode on dnode 3;")
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -249,7 +249,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(1)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -276,11 +276,11 @@ class TDTestCase:
             for i in range(1,3):
                 tdLog.debug("drop mnode on dnode %d"%(i+1))
                 tdSql.execute("drop mnode on dnode %d"%(i+1))
-                tdSql.query("show mnodes;")
+                tdSql.query("select * from information_schema.ins_mnodes;")
                 count=0
                 while count<10:
                     time.sleep(1)
-                    tdSql.query("show mnodes;")
+                    tdSql.query("select * from information_schema.ins_mnodes;")
                     if tdSql.checkRows(2):
                         tdLog.debug("drop mnode %d successfully"%(i+1))
                         break
@@ -290,7 +290,7 @@ class TDTestCase:
                 count=0
                 while count<10:
                     time.sleep(1)
-                    tdSql.query("show mnodes;")
+                    tdSql.query("select * from information_schema.ins_mnodes;")
                     if tdSql.checkRows(3):
                         tdLog.debug("drop mnode %d successfully"%(i+1))
                         break
diff --git a/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py b/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
index 106bb26264..6443a4a7f0 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
@@ -209,7 +209,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -232,7 +232,7 @@ class TDTestCase:
             print("three mnodes is not ready in 10s ")
             return -1
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,3,'ready')
@@ -245,7 +245,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='offline' :
@@ -263,7 +263,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 1;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'offline')
@@ -277,7 +277,7 @@ class TDTestCase:
         count=0
         while count < 40:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -291,7 +291,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 2;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -307,7 +307,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -320,7 +320,7 @@ class TDTestCase:
             print("stop mnodes  on dnode 3 failed in 10s")
             return -1
         tdSql.error("drop mnode on dnode 3;")
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -348,7 +348,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(1)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -383,11 +383,11 @@ class TDTestCase:
             for i in range(1,3):
                 tdLog.debug("drop mnode on dnode %d"%(i+1))
                 tdSql.execute("drop mnode on dnode %d"%(i+1))
-                tdSql.query("show mnodes;")
+                tdSql.query("select * from information_schema.ins_mnodes;")
                 count=0
                 while count<10:
                     time.sleep(1)
-                    tdSql.query("show mnodes;")
+                    tdSql.query("select * from information_schema.ins_mnodes;")
                     if tdSql.checkRows(2):
                         print("drop mnode %d successfully"%(i+1))
                         break
@@ -397,7 +397,7 @@ class TDTestCase:
                 count=0
                 while count<10:
                     time.sleep(1)
-                    tdSql.query("show mnodes;")
+                    tdSql.query("select * from information_schema.ins_mnodes;")
                     if tdSql.checkRows(3):
                         print("drop mnode %d successfully"%(i+1))
                         break
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py b/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
index bc1530bb8b..870596175e 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
@@ -128,7 +128,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -151,7 +151,7 @@ class TDTestCase:
             print("three mnodes is not ready in 10s ")
             return -1
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,3,'ready')
@@ -164,7 +164,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='offline' :
@@ -182,7 +182,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 1;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'offline')
@@ -196,7 +196,7 @@ class TDTestCase:
         count=0
         while count < 40:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -210,7 +210,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 2;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -226,7 +226,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 print("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -239,7 +239,7 @@ class TDTestCase:
             print("stop mnodes  on dnode 3 failed in 10s")
             return -1
         tdSql.error("drop mnode on dnode 3;")
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -265,7 +265,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(1)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py b/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
index 0d7e453042..94796a8280 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
@@ -167,7 +167,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -190,7 +190,7 @@ class TDTestCase:
             tdLog.debug("three mnodes is not ready in 10s ")
             return -1
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,3,'ready')
@@ -203,7 +203,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='offline' :
@@ -221,7 +221,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 1;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'offline')
@@ -235,7 +235,7 @@ class TDTestCase:
         count=0
         while count < 40:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -249,7 +249,7 @@ class TDTestCase:
             return -1
         tdSql.error("drop mnode on dnode 2;")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -265,7 +265,7 @@ class TDTestCase:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(3) :
                 tdLog.debug("mnode is  three nodes")
             if  tdSql.queryResult[0][2]=='leader' :
@@ -278,7 +278,7 @@ class TDTestCase:
             tdLog.debug("stop mnodes  on dnode 3 failed in 10s")
             return -1
         tdSql.error("drop mnode on dnode 3;")
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(3)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
@@ -296,7 +296,7 @@ class TDTestCase:
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(1)
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(0,2,'leader')
diff --git a/tests/system-test/6-cluster/clusterCommonCheck.py b/tests/system-test/6-cluster/clusterCommonCheck.py
index 196b362f45..b16956c497 100644
--- a/tests/system-test/6-cluster/clusterCommonCheck.py
+++ b/tests/system-test/6-cluster/clusterCommonCheck.py
@@ -117,7 +117,7 @@ class ClusterComCheck:
 
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(self.mnodeNums) :
                 tdLog.success("cluster has %d mnodes" %self.mnodeNums )
 
@@ -164,7 +164,7 @@ class ClusterComCheck:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(mnodeNums) :
                 tdLog.success("cluster has %d mnodes" %self.mnodeNums )
             else:
@@ -210,7 +210,7 @@ class ClusterComCheck:
         count=0
         while count < 10:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(mnodeNums) :
                 tdLog.success("cluster has %d mnodes" %self.mnodeNums )
             else:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
index e93b13278b..ed846f8f05 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
@@ -41,7 +41,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
index 7638d8227f..7f7543971c 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
@@ -47,7 +47,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
index 02d944b08f..0a3c4544a0 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
@@ -48,7 +48,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
index 5d112f4352..588b815dce 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
@@ -47,7 +47,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
index 3d01015af6..481ce93358 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
@@ -57,7 +57,7 @@ class TDTestCase:
 
     def check_setup_cluster_status(self):
 
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
index 3649617c21..302914d775 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
@@ -48,7 +48,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
index db05eca9ce..aea6d798fb 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
@@ -50,7 +50,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
index fdd5ec7d46..5d50ff0353 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
@@ -50,7 +50,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
index cbb007d961..fd54b28a82 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
@@ -50,7 +50,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
index 63c4942c9e..210e5efcbf 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
@@ -57,7 +57,7 @@ class TDTestCase:
 
     def check_setup_cluster_status(self):
 
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
index c608c93f5e..802cd752ee 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
@@ -56,7 +56,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
index 25c26c7288..545feaf5f1 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
@@ -56,7 +56,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
index edff274793..dbdc590eae 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
@@ -56,7 +56,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
index 1020139d63..00448cbae6 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
@@ -139,7 +139,7 @@ class TDTestCase:
         return check_status
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
index 6abe700bd6..9bbb84281e 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
@@ -139,7 +139,7 @@ class TDTestCase:
         return check_status
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
index ed20a51595..5ec17ec0e0 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
@@ -48,7 +48,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
@@ -190,7 +190,7 @@ class TDTestCase:
         # create mnode 
         tdSql.execute("create mnode on dnode 2 ")
         tdSql.execute("create mnode on dnode 3 ")
-        os.system("taos -s 'show mnodes;'")
+        os.system("taos -s 'select * from information_schema.ins_mnodes;'")
         # start writing constantly 
         writing = threading.Thread(target = self.create_db_replica_3_insertdatas, args=(self.db_name , self.replica , self.vgroups , self.tb_nums , self.row_nums))
         writing.start()
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
index d60817a2b4..33e0ae3058 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
@@ -58,7 +58,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
index da9dc115eb..7c67bde776 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
@@ -58,7 +58,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
index 561159af89..ed1fcc026c 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
@@ -58,7 +58,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
index fb0ddd5435..97ebf4292e 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
@@ -58,7 +58,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
index ff7f84a29d..dc12c74a98 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
@@ -47,7 +47,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
index 97a497dfe9..5f6ac9fcc7 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
@@ -50,7 +50,7 @@ class TDTestCase:
         return buildPath
 
     def check_setup_cluster_status(self):
-        tdSql.query("show mnodes")
+        tdSql.query("select * from information_schema.ins_mnodes")
         for mnode in tdSql.queryResult:
             name = mnode[1]
             info = mnode
diff --git a/tests/system-test/7-tmq/tmq3mnodeSwitch.py b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
index 305a93128e..9a98c69aff 100644
--- a/tests/system-test/7-tmq/tmq3mnodeSwitch.py
+++ b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
@@ -63,7 +63,7 @@ class TDTestCase:
         count=0
         while count < self.mnodeCheckCnt:
             time.sleep(1)
-            tdSql.query("show mnodes;")
+            tdSql.query("select * from information_schema.ins_mnodes;")
             if tdSql.checkRows(self.mnodes) :
                 tdLog.debug("mnode is  three nodes")
             else:
@@ -87,7 +87,7 @@ class TDTestCase:
         else:
             tdLog.exit("three mnodes is not ready in 10s ")
 
-        tdSql.query("show mnodes;")
+        tdSql.query("select * from information_schema.ins_mnodes;")
         tdSql.checkRows(self.mnodes)
         tdSql.checkData(0,self.mnodeEpIndex,'%s:%d'%(self.host,self.startPort))
         tdSql.checkData(0,self.mnodeStatusIndex,'ready')
@@ -100,7 +100,7 @@ class TDTestCase:
         count=0
         while count < self.mnodeCheckCnt:
             time.sleep(1)
-            tdSql.query("show mnodes")
+            tdSql.query("select * from information_schema.ins_mnodes")
             tdLog.debug(tdSql.queryResult)
             # if tdSql.checkRows(self.mnodes) :
             #     tdLog.debug("mnode is three nodes")