diff --git a/source/dnode/mnode/impl/src/mndMnode.c b/source/dnode/mnode/impl/src/mndMnode.c
index 7c94a33ffe10f93a6c809089f04bf704bcb6f676..160fc8d428259927d11391fc89ebae689d7e7c2f 100644
--- a/source/dnode/mnode/impl/src/mndMnode.c
+++ b/source/dnode/mnode/impl/src/mndMnode.c
@@ -655,7 +655,7 @@ static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, b1, false);
 
-    const char *roles = "OFFLINE";
+    const char *roles = "offline";
     if (pObj->id == pMnode->selfDnodeId) {
       roles = syncStr(TAOS_SYNC_STATE_LEADER);
     }
@@ -667,9 +667,9 @@ static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)b2, false);
 
-    const char *status = "READY";
-    if (objStatus == SDB_STATUS_CREATING) status = "CREATING";
-    if (objStatus == SDB_STATUS_DROPPING) status = "DROPPING";
+    const char *status = "ready";
+    if (objStatus == SDB_STATUS_CREATING) status = "creating";
+    if (objStatus == SDB_STATUS_DROPPING) status = "dropping";
     char b3[9 + VARSTR_HEADER_SIZE] = {0};
     STR_WITH_MAXSIZE_TO_VARSTR(b3, status, pShow->pMeta->pSchemas[cols].bytes);
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
diff --git a/source/dnode/mnode/impl/src/mndVgroup.c b/source/dnode/mnode/impl/src/mndVgroup.c
index 9262aa167b20372dcabc4d8b78cf311911cf2162..2577febf6611ffbdbeb8d4021df3292e99c7873b 100644
--- a/source/dnode/mnode/impl/src/mndVgroup.c
+++ b/source/dnode/mnode/impl/src/mndVgroup.c
@@ -705,7 +705,7 @@ static int32_t mndRetrieveVgroups(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *p
         }
 
         char        buf1[20] = {0};
-        const char *role = online ? syncStr(pVgroup->vnodeGid[i].role) : "OFFLINE";
+        const char *role = online ? syncStr(pVgroup->vnodeGid[i].role) : "offline";
         STR_WITH_MAXSIZE_TO_VARSTR(buf1, role, pShow->pMeta->pSchemas[cols].bytes);
 
         pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 620fc514c6960754762187445b167098ce4382d3..66806dbd0c8e6b40ac9331884ff0447263f0eaaa 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -1450,12 +1450,12 @@ static void syncFreeNode(void* param) {
 const char* syncStr(ESyncState state) {
   switch (state) {
     case TAOS_SYNC_STATE_FOLLOWER:
-      return "FOLLOWER";
+      return "follower";
     case TAOS_SYNC_STATE_CANDIDATE:
-      return "CANDIDATE";
+      return "candidate";
     case TAOS_SYNC_STATE_LEADER:
-      return "LEADER";
+      return "leader";
     default:
-      return "ERROR";
+      return "error";
   }
 }
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 74fc14ecddc91bd7ec60b0581aa92186eeff4948..a72a6e4df282430427fce981172c5bbc8bf9fc34 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -190,7 +190,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_BNODE_ALREADY_EXIST,      "Bnode already exists"
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_BNODE_NOT_EXIST,          "Bnode not there")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_FEW_MNODES,           "The replicas of mnode cannot less than 1")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_MANY_MNODES,          "The replicas of mnode cannot exceed 3")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_CANT_DROP_MASTER,         "Can't drop mnode which is LEADER")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_CANT_DROP_MASTER,         "Can't drop mnode which is leader")
 
 // mnode-acct
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_ACCT_ALREADY_EXIST,       "Account already exists")
diff --git a/tests/script/tsim/bnode/basic1.sim b/tests/script/tsim/bnode/basic1.sim
index b1db6efc72afce083d9594987ccee3d10ab83ef4..80608453b8cf1243f27583a719f315462a4412d4 100644
--- a/tests/script/tsim/bnode/basic1.sim
+++ b/tests/script/tsim/bnode/basic1.sim
@@ -24,7 +24,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -71,7 +71,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
diff --git a/tests/script/tsim/db/alter_option.sim b/tests/script/tsim/db/alter_option.sim
index aeb04293f2d5df29a07e629d32df3d96cb5d16b1..f3adb4535ec0a2b6dae2de6a277ab3a913bb711a 100644
--- a/tests/script/tsim/db/alter_option.sim
+++ b/tests/script/tsim/db/alter_option.sim
@@ -131,43 +131,43 @@ endi
 
 sleep 3000
 #sql show db.vgroups
-#if $data[0][4] == LEADER then
-#  if $data[0][6] != FOLLOWER then
+#if $data[0][4] == leader then
+#  if $data[0][6] != follower then
 #    return -1
 #  endi
-#  if $data[0][8] != FOLLOWER then
+#  if $data[0][8] != follower then
 #    return -1
 #  endi
 #endi
-#if $data[0][6] == LEADER then
-#  if $data[0][4] != FOLLOWER then
+#if $data[0][6] == leader then
+#  if $data[0][4] != follower then
 #    return -1
 #  endi
-#  if $data[0][8] != FOLLOWER then
+#  if $data[0][8] != follower then
 #    return -1
 #  endi
 #endi
-#if $data[0][8] == LEADER then
-#  if $data[0][4] != FOLLOWER then
+#if $data[0][8] == leader then
+#  if $data[0][4] != follower then
 #    return -1
 #  endi
-#  if $data[0][6] != FOLLOWER then
+#  if $data[0][6] != follower then
 #    return -1
 #  endi
 #endi
 #
-#if $data[0][4] != LEADER then
-#  if $data[0][4] != FOLLOWER then
+#if $data[0][4] != leader then
+#  if $data[0][4] != follower then
 #    return -1
 #  endi
 #endi
-#if $data[0][6] != LEADER then
-#  if $data[0][6] != FOLLOWER then
+#if $data[0][6] != leader then
+#  if $data[0][6] != follower then
 #    return -1
 #  endi
 #endi
-#if $data[0][8] != LEADER then
-#  if $data[0][8] != FOLLOWER then
+#if $data[0][8] != leader then
+#  if $data[0][8] != follower then
 #    return -1
 #  endi
 #endi
diff --git a/tests/script/tsim/db/alter_replica_13.sim b/tests/script/tsim/db/alter_replica_13.sim
index ded828e3f87a72d55600400b5f7c5be945cfda30..e20bf6937d1f3f64656848674fbce2be4c369717 100644
--- a/tests/script/tsim/db/alter_replica_13.sim
+++ b/tests/script/tsim/db/alter_replica_13.sim
@@ -117,13 +117,13 @@ step4:
 sql show db.vgroups
 print ===> rows: $rows 
 print ===> $data00 $data01 $data02 $data03 $data04 $data05
-if $data[0][4] != LEADER then
+if $data[0][4] != leader then
   goto step4
 endi
-if $data[0][6] != FOLLOWER then
+if $data[0][6] != follower then
   goto step4
 endi
-if $data[0][8] != FOLLOWER then
+if $data[0][8] != follower then
   goto step4
 endi
 
diff --git a/tests/script/tsim/dnode/basic1.sim b/tests/script/tsim/dnode/basic1.sim
index d5c791e902aef3404f854287cef6224767080f82..a5b5427e036e1f74a2287a2d4995c5936fd149f5 100644
--- a/tests/script/tsim/dnode/basic1.sim
+++ b/tests/script/tsim/dnode/basic1.sim
@@ -27,7 +27,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -74,7 +74,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
diff --git a/tests/script/tsim/mnode/basic1.sim b/tests/script/tsim/mnode/basic1.sim
index e922ebe37605d64d637e63aa176b53af93b06921..d93d4ca53fc2b6c56e0a8eccf7d3ac3ea74ec0ee 100644
--- a/tests/script/tsim/mnode/basic1.sim
+++ b/tests/script/tsim/mnode/basic1.sim
@@ -15,7 +15,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -59,13 +59,13 @@ endi
 if $data(1)[0] != 1 then 
   return -1
 endi
-if $data(1)[2] != LEADER then 
+if $data(1)[2] != leader then 
   return -1
 endi
 if $data(2)[0] != 2 then 
   return -1
 endi
-if $data(2)[2] != FOLLOWER then 
+if $data(2)[2] != follower then 
   goto step2
 endi
 
@@ -95,7 +95,7 @@ endi
 if $data(1)[0] != 1 then 
   return -1
 endi
-if $data(1)[2] != LEADER then 
+if $data(1)[2] != leader then 
   return -1
 endi
 if $data(2)[0] != null then 
@@ -131,13 +131,13 @@ endi
 if $data(1)[0] != 1 then 
   return -1
 endi
-if $data(1)[2] != LEADER then 
+if $data(1)[2] != leader then 
   return -1
 endi
 if $data(2)[0] != 2 then 
   return -1
 endi
-if $data(2)[2] != FOLLOWER then 
+if $data(2)[2] != follower then 
   goto step3
 endi
 
diff --git a/tests/script/tsim/mnode/basic2.sim b/tests/script/tsim/mnode/basic2.sim
index 18aa85cf5bb00a579b8ed7be14b264845a37948a..78558263d619ee3e9cef2e03c51790823c95b6a9 100644
--- a/tests/script/tsim/mnode/basic2.sim
+++ b/tests/script/tsim/mnode/basic2.sim
@@ -15,7 +15,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -56,13 +56,13 @@ endi
 if $data(1)[0] != 1 then 
   return -1
 endi
-if $data(1)[2] != LEADER then 
+if $data(1)[2] != leader then 
   return -1
 endi
 if $data(2)[0] != 2 then 
   return -1
 endi
-if $data(2)[2] != FOLLOWER then 
+if $data(2)[2] != follower then 
   goto step2
 endi
 
diff --git a/tests/script/tsim/mnode/basic3.sim b/tests/script/tsim/mnode/basic3.sim
index edbf4290750605d2f5d68f4c67320ca30d8bc42a..bc70cd7a85522230a54359b8a4144eb4ce7a4eed 100644
--- a/tests/script/tsim/mnode/basic3.sim
+++ b/tests/script/tsim/mnode/basic3.sim
@@ -49,13 +49,13 @@ step2:
 		return -1
 	endi
 sql show mnodes -x step2
-if $data(1)[2] != LEADER then
+if $data(1)[2] != leader then
   goto step2
 endi
-if $data(2)[2] != FOLLOWER then
+if $data(2)[2] != follower then
   goto step2
 endi
-if $data(3)[2] != FOLLOWER then
+if $data(3)[2] != follower then
   goto step2
 endi
 
@@ -114,7 +114,7 @@ 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] 
 
-if $data(2)[2] != OFFLINE then
+if $data(2)[2] != offline then
   goto step5
 endi
 
diff --git a/tests/script/tsim/mnode/basic4.sim b/tests/script/tsim/mnode/basic4.sim
index 2a4a9d3626f8bbec308836b36d02a947e5d840c9..3874b11317aa5e73543d190a07f62341f19eddbb 100644
--- a/tests/script/tsim/mnode/basic4.sim
+++ b/tests/script/tsim/mnode/basic4.sim
@@ -63,22 +63,22 @@ 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]
 
-if $data(1)[2] != LEADER then
+if $data(1)[2] != leader then
   goto step3
 endi
-if $data(2)[2] != FOLLOWER then
+if $data(2)[2] != follower then
   goto step3
 endi
-if $data(3)[2] != OFFLINE then
+if $data(3)[2] != offline then
   goto step3
 endi
-if $data(1)[3] != READY then
+if $data(1)[3] != ready then
   goto step3
 endi
-if $data(2)[3] != READY then
+if $data(2)[3] != ready then
   goto step3
 endi
-if $data(3)[3] != CREATING then
+if $data(3)[3] != creating then
   goto step3
 endi
 
@@ -97,22 +97,22 @@ 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]
 
-if $data(1)[2] != LEADER then
+if $data(1)[2] != leader then
   goto step4
 endi
-if $data(2)[2] != FOLLOWER then
+if $data(2)[2] != follower then
   goto step4
 endi
-if $data(3)[2] != FOLLOWER then
+if $data(3)[2] != follower then
   goto step4
 endi
-if $data(1)[3] != READY then
+if $data(1)[3] != ready then
   goto step4
 endi
-if $data(2)[3] != READY then
+if $data(2)[3] != ready then
   goto step4
 endi
-if $data(3)[3] != READY then
+if $data(3)[3] != ready then
   goto step4
 endi
 
@@ -132,22 +132,22 @@ 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]
 
-if $data(1)[2] != LEADER then
+if $data(1)[2] != leader then
   goto step5
 endi
-if $data(2)[2] != FOLLOWER then
+if $data(2)[2] != follower then
   goto step5
 endi
-if $data(3)[2] != OFFLINE then
+if $data(3)[2] != offline then
   goto step5
 endi
-if $data(1)[3] != READY then
+if $data(1)[3] != ready then
   goto step5
 endi
-if $data(2)[3] != READY then
+if $data(2)[3] != ready then
   goto step5
 endi
-if $data(3)[3] != DROPPING then
+if $data(3)[3] != dropping then
   goto step5
 endi
 
@@ -169,19 +169,19 @@ print $data[2][0] $data[2][1] $data[2][2] $data[2][3] $data[2][4]
 if $rows != 2 then 
   goto step6
 endi
-if $data(1)[2] != LEADER then
+if $data(1)[2] != leader then
   goto step6
 endi
-if $data(2)[2] != FOLLOWER then
+if $data(2)[2] != follower then
   goto step6
 endi
 if $data(3)[2] != null then
   goto step6
 endi
-if $data(1)[3] != READY then
+if $data(1)[3] != ready then
   goto step6
 endi
-if $data(2)[3] != READY then
+if $data(2)[3] != ready then
   goto step6
 endi
 if $data(3)[3] != null then
diff --git a/tests/script/tsim/qnode/basic1.sim b/tests/script/tsim/qnode/basic1.sim
index 2351403909e9f641e2ada2789561a095a0e915d4..7108fcaf59ec420a8657dd8e061e5261ec15ce3c 100644
--- a/tests/script/tsim/qnode/basic1.sim
+++ b/tests/script/tsim/qnode/basic1.sim
@@ -24,7 +24,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -71,7 +71,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
diff --git a/tests/script/tsim/query/explain.sim b/tests/script/tsim/query/explain.sim
index 21162a99b0928040ae115b13c117864a170ef4e9..2b0d52d25327833221ffe53953f904d74ed1784a 100644
--- a/tests/script/tsim/query/explain.sim
+++ b/tests/script/tsim/query/explain.sim
@@ -1,7 +1,7 @@
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 
-print ========= start dnode1 as LEADER
+print ========= start dnode1 as leader
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
diff --git a/tests/script/tsim/query/scalarNull.sim b/tests/script/tsim/query/scalarNull.sim
index c7e7aa9a349a98623033c40cebfa9c499ee0fe2a..b08ac1d3d9abe157915ec25c438d82e2774ced04 100644
--- a/tests/script/tsim/query/scalarNull.sim
+++ b/tests/script/tsim/query/scalarNull.sim
@@ -4,7 +4,7 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 
-print ========= start dnode1 as LEADER
+print ========= start dnode1 as leader
 system sh/exec.sh -n dnode1 -s start
 sleep 2000
 sql connect
diff --git a/tests/script/tsim/query/udf.sim b/tests/script/tsim/query/udf.sim
index 24ddcc1b75c70865f334f553a6b0f1ee176d62ca..93cae4e3912cab0b5c36e60d28743f0c10f1e45a 100644
--- a/tests/script/tsim/query/udf.sim
+++ b/tests/script/tsim/query/udf.sim
@@ -5,7 +5,7 @@ system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode1 -c udf -v 1
 
-print ========= start dnode1 as LEADER
+print ========= start dnode1 as leader
 system sh/exec.sh -n dnode1 -s start
 sleep 1000
 sql connect
diff --git a/tests/script/tsim/snode/basic1.sim b/tests/script/tsim/snode/basic1.sim
index 660951c591bb9048b592e7be60492925b13b600d..a9d4867354e70a867d23e65ed03dda47b0b2524c 100644
--- a/tests/script/tsim/snode/basic1.sim
+++ b/tests/script/tsim/snode/basic1.sim
@@ -24,7 +24,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
@@ -71,7 +71,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
diff --git a/tests/script/tsim/sync/3Replica1VgElect.sim b/tests/script/tsim/sync/3Replica1VgElect.sim
index 61b3b09288faecf857c5d33e7a34ac3544c4db67..e531fa82ad3d78d45447b583834c5b8842c171d1 100644
--- a/tests/script/tsim/sync/3Replica1VgElect.sim
+++ b/tests/script/tsim/sync/3Replica1VgElect.sim
@@ -105,21 +105,21 @@ 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
+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
+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
+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
@@ -239,21 +239,21 @@ 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
+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
+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
+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
@@ -447,21 +447,21 @@ 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
+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
+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
+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
diff --git a/tests/script/tsim/sync/3Replica5VgElect.sim b/tests/script/tsim/sync/3Replica5VgElect.sim
index 4041263e55fa06b93ecea9930ba1dbd728579ce7..2e05e848be43671da4e981242eff6d03721e36b9 100644
--- a/tests/script/tsim/sync/3Replica5VgElect.sim
+++ b/tests/script/tsim/sync/3Replica5VgElect.sim
@@ -108,21 +108,21 @@ 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
+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
+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
+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
@@ -130,21 +130,21 @@ else
    goto check_vg_ready
 endi
 
-if $data[1][4] == LEADER then
-   if $data[1][6] == FOLLOWER then
-      if $data[1][8] == FOLLOWER then
+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
+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
+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
@@ -152,21 +152,21 @@ else
    goto check_vg_ready
 endi
 
-if $data[2][4] == LEADER then
-   if $data[2][6] == FOLLOWER then
-      if $data[2][8] == FOLLOWER then
+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
+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
+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
@@ -174,21 +174,21 @@ else
    goto check_vg_ready
 endi
 
-if $data[3][4] == LEADER then
-   if $data[3][6] == FOLLOWER then
-      if $data[3][8] == FOLLOWER then
+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
+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
+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
@@ -196,21 +196,21 @@ else
    goto check_vg_ready
 endi
 
-if $data[4][4] == LEADER then
-   if $data[4][6] == FOLLOWER then
-      if $data[4][8] == FOLLOWER then
+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
+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
+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
@@ -335,21 +335,21 @@ 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
+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
+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
+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
@@ -357,21 +357,21 @@ else
    goto check_vg_ready1
 endi
 
-if $data[1][4] == LEADER then
-   if $data[1][6] == FOLLOWER then
-      if $data[1][8] == FOLLOWER then
+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
+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
+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
@@ -379,21 +379,21 @@ else
    goto check_vg_ready1
 endi
 
-if $data[2][4] == LEADER then
-   if $data[2][6] == FOLLOWER then
-      if $data[2][8] == FOLLOWER then
+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
+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
+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
@@ -401,21 +401,21 @@ else
    goto check_vg_ready1
 endi
 
-if $data[3][4] == LEADER then
-   if $data[3][6] == FOLLOWER then
-      if $data[3][8] == FOLLOWER then
+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
+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
+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
@@ -423,21 +423,21 @@ else
    goto check_vg_ready1
 endi
 
-if $data[4][4] == LEADER then
-   if $data[4][6] == FOLLOWER then
-      if $data[4][8] == FOLLOWER then
+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
+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
+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
@@ -635,21 +635,21 @@ 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
+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
+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
+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
@@ -657,21 +657,21 @@ else
    goto check_vg_ready3
 endi
 
-if $data[1][4] == LEADER then
-   if $data[1][6] == FOLLOWER then
-      if $data[1][8] == FOLLOWER then
+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
+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
+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
@@ -679,21 +679,21 @@ else
    goto check_vg_ready3
 endi
 
-if $data[2][4] == LEADER then
-   if $data[2][6] == FOLLOWER then
-      if $data[2][8] == FOLLOWER then
+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
+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
+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
@@ -701,21 +701,21 @@ else
    goto check_vg_ready3
 endi
 
-if $data[3][4] == LEADER then
-   if $data[3][6] == FOLLOWER then
-      if $data[3][8] == FOLLOWER then
+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
+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
+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
@@ -723,21 +723,21 @@ else
    goto check_vg_ready3
 endi
 
-if $data[4][4] == LEADER then
-   if $data[4][6] == FOLLOWER then
-      if $data[4][8] == FOLLOWER then
+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
+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
+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
diff --git a/tests/script/tsim/sync/oneReplica1VgElect.sim b/tests/script/tsim/sync/oneReplica1VgElect.sim
index d98b823192b82556f0327f5107d2d359176e19cb..cf8912e654c04314e96a5fb4a718a3569ddea5f5 100644
--- a/tests/script/tsim/sync/oneReplica1VgElect.sim
+++ b/tests/script/tsim/sync/oneReplica1VgElect.sim
@@ -103,13 +103,13 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
    goto vg_ready
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
    goto vg_ready
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
    goto vg_ready
 else
@@ -154,11 +154,11 @@ 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[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
+if $data[0][4] == leader then
   $dnodeId = $data[0][3]
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
   $dnodeId = $data[0][5]
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
   $dnodeId = $data[0][7]
 else 
    print ====> no leader vnode!!!
@@ -186,13 +186,13 @@ if $rows != $vgroups then
   return -1
 endi
 
-if $data[0][4] == OFFLINE then
+if $data[0][4] == offline then
   print ---- vgroup $dnodeId leader switch to offline
   goto vg_offline_1
-elif $data[0][6] == OFFLINE then
+elif $data[0][6] == offline then
   print ---- vgroup $dnodeId leader switch to offline
   goto vg_offline_1
-elif $data[0][8] == OFFLINE then
+elif $data[0][8] == offline then
   print ---- vgroup $dnodeId leader switch to offline
   goto vg_offline_1
 else 
@@ -218,13 +218,13 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
    goto countinu_loop
-elif $data[0][6] == LEADER then
+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
+elif $data[0][8] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
    goto countinu_loop
 else
diff --git a/tests/script/tsim/sync/oneReplica1VgElectWithInsert.sim b/tests/script/tsim/sync/oneReplica1VgElectWithInsert.sim
index 7ceeb2806b320014c2b35ea5c640063e44793063..06a67b3c1bfdf183f919fb7ac9c861055f566f42 100644
--- a/tests/script/tsim/sync/oneReplica1VgElectWithInsert.sim
+++ b/tests/script/tsim/sync/oneReplica1VgElectWithInsert.sim
@@ -104,7 +104,7 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    if $data[0][6] != NULL then
      goto check_vg_ready
    endi
@@ -114,7 +114,7 @@ if $data[0][4] == LEADER then
    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][6] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready
    endi
@@ -124,7 +124,7 @@ if $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][8] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready
    endi
@@ -208,11 +208,11 @@ switch_leader_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]
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
   $dnodeId = $data[0][3]
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
   $dnodeId = $data[0][5]
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
   $dnodeId = $data[0][7]
 else 
    print ====> no leader vnode!!!
@@ -238,7 +238,7 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    if $data[0][6] != NULL then
      goto check_vg_ready_2
    endi
@@ -248,7 +248,7 @@ if $data[0][4] == LEADER then
    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][6] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready_2
    endi
@@ -258,7 +258,7 @@ if $data[0][6] == LEADER then
    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][8] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready_2
    endi
@@ -343,7 +343,7 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    if $data[0][6] != NULL then
      goto check_vg_ready_1
    endi
@@ -352,7 +352,7 @@ if $data[0][4] == LEADER then
    endi    
   goto vg_ready_1
 endi
-if $data[0][6] == LEADER then
+if $data[0][6] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready_1
    endi
@@ -361,7 +361,7 @@ if $data[0][6] == LEADER then
    endi    
   goto vg_ready_1
 endi
-if $data[0][8] == LEADER then
+if $data[0][8] == leader then
    if $data[0][4] != NULL then
      goto check_vg_ready_1
    endi
diff --git a/tests/script/tsim/sync/oneReplica5VgElect.sim b/tests/script/tsim/sync/oneReplica5VgElect.sim
index d6d18093c341dfea8d4d2f1c22fa10cab173d71c..5af48c7491208c8f3a440665fa7bb6919c373a46 100644
--- a/tests/script/tsim/sync/oneReplica5VgElect.sim
+++ b/tests/script/tsim/sync/oneReplica5VgElect.sim
@@ -104,51 +104,51 @@ if $rows != $vgroups then
   return -1
 endi
 
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
-elif $data[0][8] == LEADER then
+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
+if $data[1][4] == leader then
    print ---- vgroup $data[1][0] leader locate on dnode $data[0][3] 
-elif $data[1][6] == LEADER then
+elif $data[1][6] == leader then
    print ---- vgroup $data[1][0] leader locate on dnode $data[0][5] 
-elif $data[1][8] == LEADER then
+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
+if $data[2][4] == leader then
    print ---- vgroup $data[2][0] leader locate on dnode $data[0][3] 
-elif $data[2][6] == LEADER then
+elif $data[2][6] == leader then
    print ---- vgroup $data[2][0] leader locate on dnode $data[0][5] 
-elif $data[2][8] == LEADER then
+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
+if $data[3][4] == leader then
    print ---- vgroup $data[3][0] leader locate on dnode $data[0][3] 
-elif $data[3][6] == LEADER then
+elif $data[3][6] == leader then
    print ---- vgroup $data[3][0] leader locate on dnode $data[0][5] 
-elif $data[3][8] == LEADER then
+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
+if $data[4][4] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[0][3] 
-elif $data[4][6] == LEADER then
+elif $data[4][6] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[0][5] 
-elif $data[4][8] == LEADER then
+elif $data[4][8] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[0][7] 
 else
    goto check_vg_ready
@@ -272,51 +272,51 @@ if $rows != $vgroups then
   return -1
 endi
 
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
-elif $data[0][8] == LEADER then
+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
+if $data[1][4] == leader then
    print ---- vgroup $data[1][0] leader locate on dnode $data[1][3] 
-elif $data[1][6] == LEADER then
+elif $data[1][6] == leader then
    print ---- vgroup $data[1][0] leader locate on dnode $data[1][5] 
-elif $data[1][8] == LEADER then
+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
+if $data[2][4] == leader then
    print ---- vgroup $data[2][0] leader locate on dnode $data[2][3] 
-elif $data[2][6] == LEADER then
+elif $data[2][6] == leader then
    print ---- vgroup $data[2][0] leader locate on dnode $data[2][5] 
-elif $data[2][8] == LEADER then
+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
+if $data[3][4] == leader then
    print ---- vgroup $data[3][0] leader locate on dnode $data[3][3] 
-elif $data[3][6] == LEADER then
+elif $data[3][6] == leader then
    print ---- vgroup $data[3][0] leader locate on dnode $data[3][5] 
-elif $data[3][8] == LEADER then
+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
+if $data[4][4] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[4][3] 
-elif $data[4][6] == LEADER then
+elif $data[4][6] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[4][5] 
-elif $data[4][8] == LEADER then
+elif $data[4][8] == leader then
    print ---- vgroup $data[4][0] leader locate on dnode $data[4][7] 
 else
    goto check_vg_ready1
diff --git a/tests/script/tsim/sync/threeReplica1VgElect.sim b/tests/script/tsim/sync/threeReplica1VgElect.sim
index 1496d7c778b475895479eb3661fae7ad86a121d3..c3e9c13793466ecdd57890d7e48a71f5b04ca190 100644
--- a/tests/script/tsim/sync/threeReplica1VgElect.sim
+++ b/tests/script/tsim/sync/threeReplica1VgElect.sim
@@ -104,7 +104,7 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    if $data[0][6] != FLLOWER then
      goto check_vg_ready
    endi
@@ -114,7 +114,7 @@ if $data[0][4] == LEADER then
    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][6] == leader then
    if $data[0][4] != FLLOWER then
      goto check_vg_ready
    endi
@@ -124,7 +124,7 @@ if $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][8] == leader then
    if $data[0][4] != FLLOWER then
      goto check_vg_ready
    endi
@@ -199,11 +199,11 @@ endi
 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]
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
   $dnodeId = $data[0][3]
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
   $dnodeId = $data[0][5]
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
   $dnodeId = $data[0][7]
 else 
    print ====> no leader vnode!!!
@@ -216,11 +216,11 @@ system sh/exec.sh -n $dnodeId -s stop -x SIGINT
 
 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]
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
   print ---- vgroup $data[0][0] leader switch to dnode $data[0][3]
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
   print ---- vgroup $data[0][0] leader switch to dnode $data[0][5]
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
   print ---- vgroup $data[0][0] leader switch to dnode $data[0][7]
 else 
    print ====> no leader vnode!!!
@@ -264,7 +264,7 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
    if $data[0][6] != FLLOWER then
      goto check_vg_ready_1
    endi
@@ -273,7 +273,7 @@ if $data[0][4] == LEADER then
    endi    
   goto vg_ready_1
 endi
-if $data[0][6] == LEADER then
+if $data[0][6] == leader then
    if $data[0][4] != FLLOWER then
      goto check_vg_ready_1
    endi
@@ -282,7 +282,7 @@ if $data[0][6] == LEADER then
    endi    
   goto vg_ready_1
 endi
-if $data[0][8] == LEADER then
+if $data[0][8] == leader then
    if $data[0][4] != FLLOWER then
      goto check_vg_ready_1
    endi
@@ -325,27 +325,27 @@ system sh/exec.sh -n $dnodeId -s stop -x SIGINT
 check_vg_ready_3:
 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]
-if $data[0][4] == LEADER then
-  if $data[0][6] == LEADER then
+if $data[0][4] == leader then
+  if $data[0][6] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][8] == LEADER then
+  if $data[0][8] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][5]
-elif $data[0][6] == LEADER then
-  if $data[0][4] == LEADER then
+elif $data[0][6] == leader then
+  if $data[0][4] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][8] == LEADER then
+  if $data[0][8] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][7]
-elif $data[0][8] == LEADER then
-  if $data[0][4] == LEADER then
+elif $data[0][8] == leader then
+  if $data[0][4] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][6] == LEADER then
+  if $data[0][6] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][9]
diff --git a/tests/script/tsim/sync/threeReplica1VgElectWihtInsert.sim b/tests/script/tsim/sync/threeReplica1VgElectWihtInsert.sim
index fc501096e687c0b7681bbf9e7fcad706f7aafced..3c21dff1b65a9737d96f9e0d9ae1b8c173fa3250 100644
--- a/tests/script/tsim/sync/threeReplica1VgElectWihtInsert.sim
+++ b/tests/script/tsim/sync/threeReplica1VgElectWihtInsert.sim
@@ -103,29 +103,29 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
-   if $data[0][6] != FOLLOWER  then
+if $data[0][4] == leader then
+   if $data[0][6] != follower  then
      goto check_vg_ready
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready
    endi
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][3] 
    goto vg_ready
-elif $data[0][6] == LEADER then
-   if $data[0][4] != FOLLOWER then
+elif $data[0][6] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready
    endi    
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][5] 
    goto vg_ready
-elif $data[0][8] == LEADER then
-   if $data[0][4] != FOLLOWER then
+elif $data[0][8] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready
    endi
-   if $data[0][6] != FOLLOWER then
+   if $data[0][6] != follower then
      goto check_vg_ready
    endi    
    print ---- vgroup $data[0][0] leader locate on dnode $data[0][7] 
@@ -193,11 +193,11 @@ switch_leader_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]
-if $data[0][4] == LEADER then
+if $data[0][4] == leader then
   $dnodeId = $data[0][3]
-elif $data[0][6] == LEADER then
+elif $data[0][6] == leader then
   $dnodeId = $data[0][5]
-elif $data[0][8] == LEADER then
+elif $data[0][8] == leader then
   $dnodeId = $data[0][7]
 else 
    print ====> no leader vnode!!!
@@ -226,29 +226,29 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
-   if $data[0][6] != FOLLOWER then
+if $data[0][4] == leader then
+   if $data[0][6] != follower then
      goto check_vg_ready_2
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready_2
    endi
    print ---- vgroup $dnodeId leader switch to dnode $data[0][3] 
   goto vg_ready_2
-elif $data[0][6] == LEADER then
-   if $data[0][4] != FOLLOWER then
+elif $data[0][6] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready_2
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready_2
    endi    
    print ---- vgroup $dnodeId leader switch to dnode $data[0][5] 
   goto vg_ready_2
-elif $data[0][8] == LEADER then
-   if $data[0][4] != FOLLOWER then
+elif $data[0][8] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready_2
    endi
-   if $data[0][6] != FOLLOWER then
+   if $data[0][6] != follower then
      goto check_vg_ready_2
    endi    
    print ---- vgroup $dnodeId leader switch to dnode $data[0][7] 
@@ -329,29 +329,29 @@ print $data[0][0] $data[0][1] $data[0][2] $data[0][3] $data[0][4] $data[0][5] $d
 if $rows != $vgroups then
   return -1
 endi
-if $data[0][4] == LEADER then
-   if $data[0][6] != FOLLOWER then
+if $data[0][4] == leader then
+   if $data[0][6] != follower then
      goto check_vg_ready_1
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready_1
    endi    
   goto vg_ready_1
 endi
-if $data[0][6] == LEADER then
-   if $data[0][4] != FOLLOWER then
+if $data[0][6] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready_1
    endi
-   if $data[0][8] != FOLLOWER then
+   if $data[0][8] != follower then
      goto check_vg_ready_1
    endi    
   goto vg_ready_1
 endi
-if $data[0][8] == LEADER then
-   if $data[0][4] != FOLLOWER then
+if $data[0][8] == leader then
+   if $data[0][4] != follower then
      goto check_vg_ready_1
    endi
-   if $data[0][6] != FOLLOWER then
+   if $data[0][6] != follower then
      goto check_vg_ready_1
    endi    
   goto vg_ready_1
@@ -390,27 +390,27 @@ system sh/exec.sh -n $dnodeId -s stop -x SIGINT
 check_vg_ready_3:
 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]
-if $data[0][4] == LEADER then
-  if $data[0][6] == LEADER then
+if $data[0][4] == leader then
+  if $data[0][6] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][8] == LEADER then
+  if $data[0][8] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][5]
-elif $data[0][6] == LEADER then
-  if $data[0][4] == LEADER then
+elif $data[0][6] == leader then
+  if $data[0][4] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][8] == LEADER then
+  if $data[0][8] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][7]
-elif $data[0][8] == LEADER then
-  if $data[0][4] == LEADER then
+elif $data[0][8] == leader then
+  if $data[0][4] == leader then
     goto check_vg_ready_3
   endi
-  if $data[0][6] == LEADER then
+  if $data[0][6] == leader then
     goto check_vg_ready_3
   endi
   print ---- vgroup $data[0][0] leader locating dnode $data[0][9]
diff --git a/tests/script/tsim/trans/create_db.sim b/tests/script/tsim/trans/create_db.sim
index 158a6b9f920e8e194f5336f8985bf609d9c7f2a1..e13014f9c02370f65cf1e1700b84efdc4bcdcce2 100644
--- a/tests/script/tsim/trans/create_db.sim
+++ b/tests/script/tsim/trans/create_db.sim
@@ -26,7 +26,7 @@ if $data00 != 1 then
   return -1
 endi
 
-if $data02 != LEADER then 
+if $data02 != leader then 
   return -1
 endi
 
diff --git a/tests/system-test/0-others/taosdMonitor.py b/tests/system-test/0-others/taosdMonitor.py
index 657979658e5b048e8d51d0bf8c67bada5f321402..a219c54e5925075a2c687c9cd134ada03c09e57e 100644
--- a/tests/system-test/0-others/taosdMonitor.py
+++ b/tests/system-test/0-others/taosdMonitor.py
@@ -75,7 +75,7 @@ def telemetryInfoCheck(infoDict=''):
         if k not in infoDict["cluster_info"]["dnodes"][0] or v != infoDict["cluster_info"]["dnodes"][0][k] :
             tdLog.exit("dnodes info is null!")
     
-    mnodes_info = { "mnode_id":1, "mnode_ep":f"{hostname}:{serverPort}","role": "LEADER" }
+    mnodes_info = { "mnode_id":1, "mnode_ep":f"{hostname}:{serverPort}","role": "leader" }
 
     for k ,v in mnodes_info.items():
         if k not in infoDict["cluster_info"]["mnodes"][0] or v != infoDict["cluster_info"]["mnodes"][0][k] :