diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index a451ae9df5bf6167fc994acf9422c59901c39822..e46d541b9904350a7957b0aa1311c1167c18641b 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -462,35 +462,47 @@ static int32_t mndSetCreateDbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *
   return 0;
 }
 
-static int32_t mndSetCreateDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) {
+extern int32_t mndSetCreateDbRedoActionsImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups);
+
+static int32_t mndSetCreateDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups){
+  return mndSetCreateDbRedoActionsImpl(pMnode, pTrans, pDb, pVgroups);
+}
+
+#ifndef TD_ENTERPRISE
+int32_t mndSetCreateDbRedoActionsImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups){
   for (int32_t vg = 0; vg < pDb->cfg.numOfVgroups; ++vg) {
     SVgObj *pVgroup = pVgroups + vg;
 
-    for (int32_t vn = 0; vn < pVgroup->replica; ++vn) {
-      SVnodeGid *pVgid = pVgroup->vnodeGid + vn;
-      if (mndAddCreateVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid) != 0) {
-        return -1;
-      }
+    SVnodeGid *pVgid = pVgroup->vnodeGid;
+    if (mndAddCreateVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid) != 0) {
+      return -1;
     }
   }
 
   return 0;
 }
+#endif
+
+extern int32_t mndSetCreateDbUndoActionsImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups);
 
 static int32_t mndSetCreateDbUndoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups) {
+  return mndSetCreateDbUndoActionsImpl(pMnode, pTrans, pDb, pVgroups);
+}
+
+#ifndef TD_ENTERPRISE
+static int32_t mndSetCreateDbUndoActionsImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroups){
   for (int32_t vg = 0; vg < pDb->cfg.numOfVgroups; ++vg) {
     SVgObj *pVgroup = pVgroups + vg;
 
-    for (int32_t vn = 0; vn < pVgroup->replica; ++vn) {
-      SVnodeGid *pVgid = pVgroup->vnodeGid + vn;
-      if (mndAddDropVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid, false) != 0) {
-        return -1;
-      }
+    SVnodeGid *pVgid = pVgroup->vnodeGid;
+    if (mndAddDropVnodeAction(pMnode, pTrans, pDb, pVgroup, pVgid, false) != 0) {
+      return -1;
     }
   }
 
   return 0;
 }
+#endif
 
 static int32_t mndCreateDb(SMnode *pMnode, SRpcMsg *pReq, SCreateDbReq *pCreate, SUserObj *pUser) {
   SDbObj dbObj = {0};
diff --git a/source/dnode/mnode/impl/src/mndVgroup.c b/source/dnode/mnode/impl/src/mndVgroup.c
index b7a6378bd857763a9faa8668b2d9bfe60c4ee19a..b6bec1060eaae7863f86d8268dc84e53d9953d6a 100644
--- a/source/dnode/mnode/impl/src/mndVgroup.c
+++ b/source/dnode/mnode/impl/src/mndVgroup.c
@@ -382,7 +382,7 @@ static void *mndBuildAlterVnodeConfigReq(SMnode *pMnode, SDbObj *pDb, SVgObj *pV
   return pReq;
 }
 
-static void *mndBuildAlterVnodeReplicaReq(SMnode *pMnode, SDbObj *pDb, SVgObj *pVgroup, int32_t dnodeId,
+void *mndBuildAlterVnodeReplicaReq(SMnode *pMnode, SDbObj *pDb, SVgObj *pVgroup, int32_t dnodeId,
                                           int32_t *pContLen) {
   SAlterVnodeReplicaReq alterReq = {
       .vgId = pVgroup->vgId,
@@ -1019,7 +1019,7 @@ static void mndCancelGetNextVnode(SMnode *pMnode, void *pIter) {
   sdbCancelFetch(pSdb, pIter);
 }
 
-static int32_t mndAddVnodeToVgroup(SMnode *pMnode, STrans *pTrans, SVgObj *pVgroup, SArray *pArray) {
+int32_t mndAddVnodeToVgroup(SMnode *pMnode, STrans *pTrans, SVgObj *pVgroup, SArray *pArray) {
   taosArraySort(pArray, (__compar_fn_t)mndCompareDnodeVnodes);
   for (int32_t i = 0; i < taosArrayGetSize(pArray); ++i) {
     SDnodeObj *pDnode = taosArrayGet(pArray, i);
@@ -1078,7 +1078,7 @@ static int32_t mndAddVnodeToVgroup(SMnode *pMnode, STrans *pTrans, SVgObj *pVgro
   return -1;
 }
 
-static int32_t mndRemoveVnodeFromVgroup(SMnode *pMnode, STrans *pTrans, SVgObj *pVgroup, SArray *pArray,
+int32_t mndRemoveVnodeFromVgroup(SMnode *pMnode, STrans *pTrans, SVgObj *pVgroup, SArray *pArray,
                                         SVnodeGid *pDelVgid) {
   taosArraySort(pArray, (__compar_fn_t)mndCompareDnodeVnodes);
   for (int32_t i = 0; i < taosArrayGetSize(pArray); ++i) {
@@ -1271,32 +1271,6 @@ int32_t mndAddAlterVnodeReplicaAction(SMnode *pMnode, STrans *pTrans, SDbObj *pD
   return 0;
 }
 
-int32_t mndAddAlterVnodeTypeAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup, int32_t dnodeId) {
-  SDnodeObj *pDnode = mndAcquireDnode(pMnode, dnodeId);
-  if (pDnode == NULL) return -1;
-
-  STransAction action = {0};
-  action.epSet = mndGetDnodeEpset(pDnode);
-  mndReleaseDnode(pMnode, pDnode);
-
-  int32_t contLen = 0;
-  void   *pReq = mndBuildAlterVnodeReplicaReq(pMnode, pDb, pVgroup, dnodeId, &contLen);
-  if (pReq == NULL) return -1;
-
-  action.pCont = pReq;
-  action.contLen = contLen;
-  action.msgType = TDMT_DND_ALTER_VNODE_TYPE;
-  action.acceptableCode = TSDB_CODE_VND_ALREADY_IS_VOTER;
-  action.retryCode = TSDB_CODE_VND_NOT_CATCH_UP;
-
-  if (mndTransAppendRedoAction(pTrans, &action) != 0) {
-    taosMemoryFree(pReq);
-    return -1;
-  }
-
-  return 0;
-}
-
 int32_t mndRestoreAddAlterVnodeTypeAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup,
                                           SDnodeObj *pDnode) {
   STransAction action = {0};
@@ -2067,7 +2041,7 @@ int32_t mndProcessVgroupBalanceLeaderMsgImp(SRpcMsg *pReq) {
 }
 #endif
 
-static int32_t mndCheckDnodeMemory(SMnode *pMnode, SDbObj *pOldDb, SDbObj *pNewDb, SVgObj *pOldVgroup,
+int32_t mndCheckDnodeMemory(SMnode *pMnode, SDbObj *pOldDb, SDbObj *pNewDb, SVgObj *pOldVgroup,
                                    SVgObj *pNewVgroup, SArray *pArray) {
   for (int32_t i = 0; i < (int32_t)taosArrayGetSize(pArray); ++i) {
     SDnodeObj *pDnode = taosArrayGet(pArray, i);
@@ -2100,7 +2074,16 @@ static int32_t mndCheckDnodeMemory(SMnode *pMnode, SDbObj *pOldDb, SDbObj *pNewD
   return 0;
 }
 
+extern int32_t mndBuildAlterVgroupActionImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb, SDbObj *pNewDb, SVgObj *pVgroup,
+                                  SArray *pArray);
+
 int32_t mndBuildAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb, SDbObj *pNewDb, SVgObj *pVgroup,
+                                  SArray *pArray){
+  return mndBuildAlterVgroupActionImpl(pMnode, pTrans, pOldDb, pNewDb, pVgroup, pArray);
+}
+
+#ifndef TD_ENTERPRISE
+int32_t mndBuildAlterVgroupActionImpl(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb, SDbObj *pNewDb, SVgObj *pVgroup,
                                   SArray *pArray) {
   SVgObj newVgroup = {0};
   memcpy(&newVgroup, pVgroup, sizeof(SVgObj));
@@ -2113,66 +2096,6 @@ int32_t mndBuildAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb
 
   mndTransSetSerial(pTrans);
 
-  if (newVgroup.replica == 1 && pNewDb->cfg.replications == 3) {
-    mInfo("db:%s, vgId:%d, will add 2 vnodes, vn:0 dnode:%d", pVgroup->dbName, pVgroup->vgId,
-          pVgroup->vnodeGid[0].dnodeId);
-
-    //add second
-    if (mndAddVnodeToVgroup(pMnode, pTrans, &newVgroup, pArray) != 0) return -1;
-
-    //learner stage
-    newVgroup.vnodeGid[0].nodeRole = TAOS_SYNC_ROLE_VOTER;
-    newVgroup.vnodeGid[1].nodeRole = TAOS_SYNC_ROLE_LEARNER;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[0].dnodeId) != 0)
-      return -1;
-
-    if (mndAddCreateVnodeAction(pMnode, pTrans, pNewDb, &newVgroup, &newVgroup.vnodeGid[1]) != 0) return -1;
-
-    //follower stage
-    newVgroup.vnodeGid[1].nodeRole = TAOS_SYNC_ROLE_VOTER;
-    if (mndAddAlterVnodeTypeAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[1].dnodeId) != 0)
-      return -1;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[0].dnodeId) != 0)
-      return -1;
-
-    if (mndAddAlterVnodeConfirmAction(pMnode, pTrans, pNewDb, &newVgroup) != 0) return -1;
-
-    //add third
-    if (mndAddVnodeToVgroup(pMnode, pTrans, &newVgroup, pArray) != 0) return -1;
-
-    newVgroup.vnodeGid[0].nodeRole = TAOS_SYNC_ROLE_VOTER;
-    newVgroup.vnodeGid[1].nodeRole = TAOS_SYNC_ROLE_VOTER;
-    newVgroup.vnodeGid[2].nodeRole = TAOS_SYNC_ROLE_VOTER;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[0].dnodeId) != 0)
-      return -1;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[1].dnodeId) != 0)
-      return -1;
-    if (mndAddCreateVnodeAction(pMnode, pTrans, pNewDb, &newVgroup, &newVgroup.vnodeGid[2]) != 0) return -1;
-
-    if (mndAddAlterVnodeConfirmAction(pMnode, pTrans, pNewDb, &newVgroup) != 0) return -1;
-  } else if (newVgroup.replica == 3 && pNewDb->cfg.replications == 1) {
-    mInfo("db:%s, vgId:%d, will remove 2 vnodes, vn:0 dnode:%d vn:1 dnode:%d vn:2 dnode:%d", pVgroup->dbName,
-          pVgroup->vgId, pVgroup->vnodeGid[0].dnodeId, pVgroup->vnodeGid[1].dnodeId, pVgroup->vnodeGid[2].dnodeId);
-
-    SVnodeGid del1 = {0};
-    SVnodeGid del2 = {0};
-    if (mndRemoveVnodeFromVgroup(pMnode, pTrans, &newVgroup, pArray, &del1) != 0) return -1;
-    if (mndAddDropVnodeAction(pMnode, pTrans, pNewDb, &newVgroup, &del1, true) != 0) return -1;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[0].dnodeId) != 0)
-      return -1;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[1].dnodeId) != 0)
-      return -1;
-    if (mndAddAlterVnodeConfirmAction(pMnode, pTrans, pNewDb, &newVgroup) != 0) return -1;
-
-    if (mndRemoveVnodeFromVgroup(pMnode, pTrans, &newVgroup, pArray, &del2) != 0) return -1;
-    if (mndAddDropVnodeAction(pMnode, pTrans, pNewDb, &newVgroup, &del2, true) != 0) return -1;
-    if (mndAddAlterVnodeReplicaAction(pMnode, pTrans, pNewDb, &newVgroup, newVgroup.vnodeGid[0].dnodeId) != 0)
-      return -1;
-    if (mndAddAlterVnodeConfirmAction(pMnode, pTrans, pNewDb, &newVgroup) != 0) return -1;
-  } else {
-    return -1;
-  }
-
   mndSortVnodeGid(&newVgroup);
 
   {
@@ -2187,6 +2110,7 @@ int32_t mndBuildAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pOldDb
 
   return 0;
 }
+#endif
 
 int32_t mndBuildRestoreAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *db, SVgObj *pVgroup,
                                         SDnodeObj *pDnode) {