diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 88fa385f9c..d938646f00 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -949,6 +949,7 @@ typedef struct {
   int32_t     numOfCores;
   int32_t     numOfSupportVnodes;
   char        dnodeEp[TSDB_EP_LEN];
+  SMnodeLoad  mload;
   SClusterCfg clusterCfg;
   SArray*     pVloads;  // array of SVnodeLoad
 } SStatusReq;
diff --git a/include/dnode/mnode/mnode.h b/include/dnode/mnode/mnode.h
index 69260d720c..ddd6f1c05f 100644
--- a/include/dnode/mnode/mnode.h
+++ b/include/dnode/mnode/mnode.h
@@ -29,6 +29,7 @@ extern "C" {
 typedef struct SMnode SMnode;
 
 typedef struct {
+  int32_t  dnodeId;
   bool     standby;
   bool     deploy;
   int8_t   replica;
@@ -54,15 +55,6 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption);
  */
 void mndClose(SMnode *pMnode);
 
-/**
- * @brief Close a mnode.
- *
- * @param pMnode The mnode object to close.
- * @param pOption Options of the mnode.
- * @return int32_t 0 for success, -1 for failure.
- */
-int32_t mndAlter(SMnode *pMnode, const SMnodeOpt *pOption);
-
 /**
  * @brief Start mnode
  *
diff --git a/include/libs/sync/sync.h b/include/libs/sync/sync.h
index 5ffcbb7a09..b14b7667d2 100644
--- a/include/libs/sync/sync.h
+++ b/include/libs/sync/sync.h
@@ -98,8 +98,18 @@ typedef struct SSyncFSM {
 
   void (*FpRestoreFinishCb)(struct SSyncFSM* pFsm);
   int32_t (*FpGetSnapshot)(struct SSyncFSM* pFsm, SSnapshot* pSnapshot);
-  void* (*FpSnapshotRead)(struct SSyncFSM* pFsm, const SSnapshot* snapshot, void* iter, char** ppBuf, int32_t* len);
-  int32_t (*FpSnapshotApply)(struct SSyncFSM* pFsm, const SSnapshot* snapshot, char* pBuf, int32_t len);
+
+  // if (*ppIter == NULL)
+  //   *ppIter = new iter;
+  // else
+  //   *ppIter.next();
+  //
+  // if success, return 0. else return error code
+  int32_t (*FpSnapshotRead)(struct SSyncFSM* pFsm, const SSnapshot* pSnapshot, void** ppIter, char** ppBuf,
+                            int32_t* len);
+
+  // apply data into fsm
+  int32_t (*FpSnapshotApply)(struct SSyncFSM* pFsm, const SSnapshot* pSnapshot, char* pBuf, int32_t len);
 
   void (*FpReConfigCb)(struct SSyncFSM* pFsm, SSyncCfg newCfg, SReConfigCbMeta cbMeta);
 
diff --git a/include/util/tlog.h b/include/util/tlog.h
index be31aa8115..47ac01aacf 100644
--- a/include/util/tlog.h
+++ b/include/util/tlog.h
@@ -88,6 +88,7 @@ void taosPrintLongString(const char *flags, ELogLevel level, int32_t dflag, cons
 #define uInfo(...)  { if (uDebugFlag & DEBUG_INFO)  { taosPrintLog("UTL ", DEBUG_INFO, tsLogEmbedded ? 255 : uDebugFlag, __VA_ARGS__); }}
 #define uDebug(...) { if (uDebugFlag & DEBUG_DEBUG) { taosPrintLog("UTL ", DEBUG_DEBUG, uDebugFlag, __VA_ARGS__); }}
 #define uTrace(...) { if (uDebugFlag & DEBUG_TRACE) { taosPrintLog("UTL ", DEBUG_TRACE, uDebugFlag, __VA_ARGS__); }}
+#define uDebugL(...) { if (uDebugFlag & DEBUG_DEBUG) { taosPrintLongString("UTL ", DEBUG_DEBUG, uDebugFlag, __VA_ARGS__); }}
 
 #define pError(...) { taosPrintLog("APP ERROR ", DEBUG_ERROR, 255, __VA_ARGS__); }
 #define pPrint(...) { taosPrintLog("APP ", DEBUG_INFO, 255, __VA_ARGS__); }
diff --git a/source/common/src/systable.c b/source/common/src/systable.c
index 9fe7645e2b..5e1405e0c6 100644
--- a/source/common/src/systable.c
+++ b/source/common/src/systable.c
@@ -36,7 +36,6 @@ static const SSysDbTableSchema mnodesSchema[] = {
     {.name = "id", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
     {.name = "endpoint", .bytes = TSDB_EP_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "role", .bytes = 12 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
-    {.name = "role_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP},
     {.name = "create_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP},
 };
 
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 7f886b078a..93a592f120 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -891,6 +891,9 @@ int32_t tSerializeSStatusReq(void *buf, int32_t bufLen, SStatusReq *pReq) {
     if (tEncodeI64(&encoder, pload->pointsWritten) < 0) return -1;
   }
 
+  // mnode loads
+  if (tEncodeI32(&encoder, pReq->mload.syncState) < 0) return -1;
+
   tEndEncode(&encoder);
 
   int32_t tlen = encoder.pos;
@@ -946,6 +949,8 @@ int32_t tDeserializeSStatusReq(void *buf, int32_t bufLen, SStatusReq *pReq) {
     }
   }
 
+  if (tDecodeI32(&decoder, &pReq->mload.syncState) < 0) return -1;
+
   tEndDecode(&decoder);
   tDecoderClear(&decoder);
   return 0;
diff --git a/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c b/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
index f7337f482f..bb2c069eaa 100644
--- a/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
+++ b/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
@@ -75,8 +75,9 @@ void dmSendStatusReq(SDnodeMgmt *pMgmt) {
   (*pMgmt->getVnodeLoadsFp)(&vinfo);
   req.pVloads = vinfo.pVloads;
 
-  SMonMloadInfo minfo = {0};
+   SMonMloadInfo minfo = {0};
   (*pMgmt->getMnodeLoadsFp)(&minfo);
+  req.mload = minfo.load;
 
   int32_t contLen = tSerializeSStatusReq(NULL, 0, &req);
   void   *pHead = rpcMallocCont(contLen);
diff --git a/source/dnode/mgmt/mgmt_mnode/inc/mmInt.h b/source/dnode/mgmt/mgmt_mnode/inc/mmInt.h
index 030d4b309e..bd034fe7d6 100644
--- a/source/dnode/mgmt/mgmt_mnode/inc/mmInt.h
+++ b/source/dnode/mgmt/mgmt_mnode/inc/mmInt.h
@@ -36,7 +36,6 @@ typedef struct SMnodeMgmt {
   SSingleWorker  monitorWorker;
   SReplica       replicas[TSDB_MAX_REPLICA];
   int8_t         replica;
-  int8_t         selfIndex;
   bool           stopped;
   int32_t        refCount;
   TdThreadRwlock lock;
@@ -47,7 +46,6 @@ int32_t mmReadFile(SMnodeMgmt *pMgmt, bool *pDeployed);
 int32_t mmWriteFile(SMnodeMgmt *pMgmt, SDCreateMnodeReq *pMsg, bool deployed);
 
 // mmInt.c
-int32_t mmAlter(SMnodeMgmt *pMgmt, SDAlterMnodeReq *pMsg);
 int32_t mmAcquire(SMnodeMgmt *pMgmt);
 void    mmRelease(SMnodeMgmt *pMgmt);
 
diff --git a/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c b/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
index a894a4962d..90d7b88859 100644
--- a/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
+++ b/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
@@ -124,22 +124,6 @@ int32_t mmProcessDropReq(const SMgmtInputOpt *pInput, SRpcMsg *pMsg) {
   return 0;
 }
 
-int32_t mmProcessAlterReq(SMnodeMgmt *pMgmt, SRpcMsg *pMsg) {
-  SDAlterMnodeReq alterReq = {0};
-  if (tDeserializeSDCreateMnodeReq(pMsg->pCont, pMsg->contLen, &alterReq) != 0) {
-    terrno = TSDB_CODE_INVALID_MSG;
-    return -1;
-  }
-
-  if (pMgmt->pData->dnodeId != 0 && alterReq.dnodeId != pMgmt->pData->dnodeId) {
-    terrno = TSDB_CODE_INVALID_OPTION;
-    dError("failed to alter mnode since %s, input:%d cur:%d", terrstr(), alterReq.dnodeId, pMgmt->pData->dnodeId);
-    return -1;
-  } else {
-    return mmAlter(pMgmt, &alterReq);
-  }
-}
-
 SArray *mmGetMsgHandles() {
   int32_t code = -1;
   SArray *pArray = taosArrayInit(64, sizeof(SMgmtHandle));
diff --git a/source/dnode/mgmt/mgmt_mnode/src/mmInt.c b/source/dnode/mgmt/mgmt_mnode/src/mmInt.c
index 875be9768c..1b973f3045 100644
--- a/source/dnode/mgmt/mgmt_mnode/src/mmInt.c
+++ b/source/dnode/mgmt/mgmt_mnode/src/mmInt.c
@@ -42,6 +42,8 @@ static void mmBuildOptionForDeploy(SMnodeMgmt *pMgmt, const SMgmtInputOpt *pInpu
   pOption->standby = false;
   pOption->deploy = true;
   pOption->msgCb = pMgmt->msgCb;
+  pOption->dnodeId = pMgmt->pData->dnodeId;
+
   pOption->replica = 1;
   pOption->selfIndex = 0;
 
@@ -52,9 +54,10 @@ static void mmBuildOptionForDeploy(SMnodeMgmt *pMgmt, const SMgmtInputOpt *pInpu
 }
 
 static void mmBuildOptionForOpen(SMnodeMgmt *pMgmt, SMnodeOpt *pOption) {
-  pOption->msgCb = pMgmt->msgCb;
   pOption->deploy = false;
   pOption->standby = false;
+  pOption->msgCb = pMgmt->msgCb;
+  pOption->dnodeId = pMgmt->pData->dnodeId;
 
   if (pMgmt->replica > 0) {
     pOption->standby = true;
@@ -70,44 +73,6 @@ static void mmBuildOptionForOpen(SMnodeMgmt *pMgmt, SMnodeOpt *pOption) {
   }
 }
 
-static int32_t mmBuildOptionForAlter(SMnodeMgmt *pMgmt, SMnodeOpt *pOption, SDCreateMnodeReq *pCreate) {
-  pOption->msgCb = pMgmt->msgCb;
-  pOption->standby = false;
-  pOption->deploy = false;
-  pOption->replica = pCreate->replica;
-  pOption->selfIndex = -1;
-
-  for (int32_t i = 0; i < pCreate->replica; ++i) {
-    SReplica *pReplica = &pOption->replicas[i];
-    pReplica->id = pCreate->replicas[i].id;
-    pReplica->port = pCreate->replicas[i].port;
-    memcpy(pReplica->fqdn, pCreate->replicas[i].fqdn, TSDB_FQDN_LEN);
-    if (pReplica->id == pMgmt->pData->dnodeId) {
-      pOption->selfIndex = i;
-    }
-  }
-
-  if (pOption->selfIndex == -1) {
-    dError("failed to build mnode options since %s", terrstr());
-    return -1;
-  }
-
-  return 0;
-}
-
-int32_t mmAlter(SMnodeMgmt *pMgmt, SDAlterMnodeReq *pMsg) {
-  SMnodeOpt option = {0};
-  if (mmBuildOptionForAlter(pMgmt, &option, pMsg) != 0) {
-    return -1;
-  }
-
-  if (mndAlter(pMgmt->pMnode, &option) != 0) {
-    return -1;
-  }
-
-  return 0;
-}
-
 static void mmClose(SMnodeMgmt *pMgmt) {
   if (pMgmt->pMnode != NULL) {
     mmStopWorker(pMgmt);
diff --git a/source/dnode/mgmt/mgmt_mnode/src/mmWorker.c b/source/dnode/mgmt/mgmt_mnode/src/mmWorker.c
index 71cc2d2693..85120102bc 100644
--- a/source/dnode/mgmt/mgmt_mnode/src/mmWorker.c
+++ b/source/dnode/mgmt/mgmt_mnode/src/mmWorker.c
@@ -32,9 +32,6 @@ static void mmProcessQueue(SQueueInfo *pInfo, SRpcMsg *pMsg) {
   dTrace("msg:%p, get from mnode queue", pMsg);
 
   switch (pMsg->msgType) {
-    case TDMT_DND_ALTER_MNODE:
-      code = mmProcessAlterReq(pMgmt, pMsg);
-      break;
     case TDMT_MON_MM_INFO:
       code = mmProcessGetMonitorInfoReq(pMgmt, pMsg);
       break;
diff --git a/source/dnode/mgmt/node_util/inc/dmUtil.h b/source/dnode/mgmt/node_util/inc/dmUtil.h
index 4946669678..0d921c2e8b 100644
--- a/source/dnode/mgmt/node_util/inc/dmUtil.h
+++ b/source/dnode/mgmt/node_util/inc/dmUtil.h
@@ -90,8 +90,8 @@ typedef enum {
 typedef int32_t (*ProcessCreateNodeFp)(EDndNodeType ntype, SRpcMsg *pMsg);
 typedef int32_t (*ProcessDropNodeFp)(EDndNodeType ntype, SRpcMsg *pMsg);
 typedef void (*SendMonitorReportFp)();
-typedef void (*GetVnodeLoadsFp)();
-typedef void (*GetMnodeLoadsFp)();
+typedef void (*GetVnodeLoadsFp)(SMonVloadInfo *pInfo);
+typedef void (*GetMnodeLoadsFp)(SMonMloadInfo *pInfo);
 
 typedef struct {
   int32_t        dnodeId;
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index 81f4c5ed1e..26cfaa62ff 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -67,30 +67,33 @@ typedef enum {
 
 typedef enum {
   TRN_TYPE_BASIC_SCOPE = 1000,
-  TRN_TYPE_CREATE_USER = 1001,
-  TRN_TYPE_ALTER_USER = 1002,
-  TRN_TYPE_DROP_USER = 1003,
-  TRN_TYPE_CREATE_FUNC = 1004,
-  TRN_TYPE_DROP_FUNC = 1005,
+  TRN_TYPE_CREATE_ACCT = 1001,
+  TRN_TYPE_CREATE_CLUSTER = 1002,
+  TRN_TYPE_CREATE_USER = 1003,
+  TRN_TYPE_ALTER_USER = 1004,
+  TRN_TYPE_DROP_USER = 1005,
+  TRN_TYPE_CREATE_FUNC = 1006,
+  TRN_TYPE_DROP_FUNC = 1007,
 
-  TRN_TYPE_CREATE_SNODE = 1006,
-  TRN_TYPE_DROP_SNODE = 1007,
-  TRN_TYPE_CREATE_QNODE = 1008,
-  TRN_TYPE_DROP_QNODE = 1009,
-  TRN_TYPE_CREATE_BNODE = 1010,
-  TRN_TYPE_DROP_BNODE = 1011,
-  TRN_TYPE_CREATE_MNODE = 1012,
-  TRN_TYPE_DROP_MNODE = 1013,
-  TRN_TYPE_CREATE_TOPIC = 1014,
-  TRN_TYPE_DROP_TOPIC = 1015,
-  TRN_TYPE_SUBSCRIBE = 1016,
-  TRN_TYPE_REBALANCE = 1017,
-  TRN_TYPE_COMMIT_OFFSET = 1018,
-  TRN_TYPE_CREATE_STREAM = 1019,
-  TRN_TYPE_DROP_STREAM = 1020,
-  TRN_TYPE_ALTER_STREAM = 1021,
-  TRN_TYPE_CONSUMER_LOST = 1022,
-  TRN_TYPE_CONSUMER_RECOVER = 1023,
+  TRN_TYPE_CREATE_SNODE = 1010,
+  TRN_TYPE_DROP_SNODE = 1011,
+  TRN_TYPE_CREATE_QNODE = 1012,
+  TRN_TYPE_DROP_QNODE = 10013,
+  TRN_TYPE_CREATE_BNODE = 1014,
+  TRN_TYPE_DROP_BNODE = 1015,
+  TRN_TYPE_CREATE_MNODE = 1016,
+  TRN_TYPE_DROP_MNODE = 1017,
+
+  TRN_TYPE_CREATE_TOPIC = 1020,
+  TRN_TYPE_DROP_TOPIC = 1021,
+  TRN_TYPE_SUBSCRIBE = 1022,
+  TRN_TYPE_REBALANCE = 1023,
+  TRN_TYPE_COMMIT_OFFSET = 1024,
+  TRN_TYPE_CREATE_STREAM = 1025,
+  TRN_TYPE_DROP_STREAM = 1026,
+  TRN_TYPE_ALTER_STREAM = 1027,
+  TRN_TYPE_CONSUMER_LOST = 1028,
+  TRN_TYPE_CONSUMER_RECOVER = 1029,
   TRN_TYPE_BASIC_SCOPE_END,
 
   TRN_TYPE_GLOBAL_SCOPE = 2000,
@@ -196,9 +199,8 @@ typedef struct {
   int32_t    id;
   int64_t    createdTime;
   int64_t    updateTime;
-  ESyncState role;
-  int32_t    roleTerm;
-  int64_t    roleTime;
+  ESyncState state;
+  int64_t    stateStartTime;
   SDnodeObj* pDnode;
 } SMnodeObj;
 
diff --git a/source/dnode/mnode/impl/inc/mndInt.h b/source/dnode/mnode/impl/inc/mndInt.h
index a258a369d3..189ea82bfc 100644
--- a/source/dnode/mnode/impl/inc/mndInt.h
+++ b/source/dnode/mnode/impl/inc/mndInt.h
@@ -78,7 +78,6 @@ typedef struct {
   SWal      *pWal;
   sem_t      syncSem;
   int64_t    sync;
-  ESyncState state;
   bool       standby;
   bool       restored;
   int32_t    errCode;
@@ -90,9 +89,10 @@ typedef struct {
 } SGrantInfo;
 
 typedef struct SMnode {
-  int32_t       selfId;
+  int32_t       selfDnodeId;
   int64_t       clusterId;
   TdThread      thread;
+  bool          deploy;
   bool          stopped;
   int8_t        replica;
   int8_t        selfIndex;
diff --git a/source/dnode/mnode/impl/inc/mndMnode.h b/source/dnode/mnode/impl/inc/mndMnode.h
index a5cdfa1061..fd62b3ce75 100644
--- a/source/dnode/mnode/impl/inc/mndMnode.h
+++ b/source/dnode/mnode/impl/inc/mndMnode.h
@@ -28,7 +28,6 @@ SMnodeObj *mndAcquireMnode(SMnode *pMnode, int32_t mnodeId);
 void       mndReleaseMnode(SMnode *pMnode, SMnodeObj *pObj);
 bool       mndIsMnode(SMnode *pMnode, int32_t dnodeId);
 void       mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet);
-void       mndUpdateMnodeRole(SMnode *pMnode);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/src/mndAcct.c b/source/dnode/mnode/impl/src/mndAcct.c
index 52b9ac62e6..a4fde4b706 100644
--- a/source/dnode/mnode/impl/src/mndAcct.c
+++ b/source/dnode/mnode/impl/src/mndAcct.c
@@ -16,6 +16,7 @@
 #define _DEFAULT_SOURCE
 #include "mndAcct.h"
 #include "mndShow.h"
+#include "mndTrans.h"
 
 #define ACCT_VER_NUMBER   1
 #define ACCT_RESERVE_SIZE 128
@@ -31,14 +32,16 @@ static int32_t  mndProcessAlterAcctReq(SRpcMsg *pReq);
 static int32_t  mndProcessDropAcctReq(SRpcMsg *pReq);
 
 int32_t mndInitAcct(SMnode *pMnode) {
-  SSdbTable table = {.sdbType = SDB_ACCT,
-                     .keyType = SDB_KEY_BINARY,
-                     .deployFp = mndCreateDefaultAcct,
-                     .encodeFp = (SdbEncodeFp)mndAcctActionEncode,
-                     .decodeFp = (SdbDecodeFp)mndAcctActionDecode,
-                     .insertFp = (SdbInsertFp)mndAcctActionInsert,
-                     .updateFp = (SdbUpdateFp)mndAcctActionUpdate,
-                     .deleteFp = (SdbDeleteFp)mndAcctActionDelete};
+  SSdbTable table = {
+      .sdbType = SDB_ACCT,
+      .keyType = SDB_KEY_BINARY,
+      .deployFp = mndCreateDefaultAcct,
+      .encodeFp = (SdbEncodeFp)mndAcctActionEncode,
+      .decodeFp = (SdbDecodeFp)mndAcctActionDecode,
+      .insertFp = (SdbInsertFp)mndAcctActionInsert,
+      .updateFp = (SdbUpdateFp)mndAcctActionUpdate,
+      .deleteFp = (SdbDeleteFp)mndAcctActionDelete,
+  };
 
   mndSetMsgHandle(pMnode, TDMT_MND_CREATE_ACCT, mndProcessCreateAcctReq);
   mndSetMsgHandle(pMnode, TDMT_MND_ALTER_ACCT, mndProcessAlterAcctReq);
@@ -56,25 +59,52 @@ static int32_t mndCreateDefaultAcct(SMnode *pMnode) {
   acctObj.updateTime = acctObj.createdTime;
   acctObj.acctId = 1;
   acctObj.status = 0;
-  acctObj.cfg = (SAcctCfg){.maxUsers = INT32_MAX,
-                           .maxDbs = INT32_MAX,
-                           .maxStbs = INT32_MAX,
-                           .maxTbs = INT32_MAX,
-                           .maxTimeSeries = INT32_MAX,
-                           .maxStreams = INT32_MAX,
-                           .maxFuncs = INT32_MAX,
-                           .maxConsumers = INT32_MAX,
-                           .maxConns = INT32_MAX,
-                           .maxTopics = INT32_MAX,
-                           .maxStorage = INT64_MAX,
-                           .accessState = TSDB_VN_ALL_ACCCESS};
+  acctObj.cfg = (SAcctCfg){
+      .maxUsers = INT32_MAX,
+      .maxDbs = INT32_MAX,
+      .maxStbs = INT32_MAX,
+      .maxTbs = INT32_MAX,
+      .maxTimeSeries = INT32_MAX,
+      .maxStreams = INT32_MAX,
+      .maxFuncs = INT32_MAX,
+      .maxConsumers = INT32_MAX,
+      .maxConns = INT32_MAX,
+      .maxTopics = INT32_MAX,
+      .maxStorage = INT64_MAX,
+      .accessState = TSDB_VN_ALL_ACCCESS,
+  };
 
   SSdbRaw *pRaw = mndAcctActionEncode(&acctObj);
   if (pRaw == NULL) return -1;
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("acct:%s, will be created while deploy sdb, raw:%p", acctObj.acct, pRaw);
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_ACCT, NULL);
+  if (pTrans == NULL) {
+    mError("acct:%s, failed to create since %s", acctObj.acct, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create acct:%s", pTrans->id, acctObj.acct);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to commit redo log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static SSdbRaw *mndAcctActionEncode(SAcctObj *pAcct) {
diff --git a/source/dnode/mnode/impl/src/mndCluster.c b/source/dnode/mnode/impl/src/mndCluster.c
index f6f6813b97..6266f22f39 100644
--- a/source/dnode/mnode/impl/src/mndCluster.c
+++ b/source/dnode/mnode/impl/src/mndCluster.c
@@ -16,6 +16,7 @@
 #define _DEFAULT_SOURCE
 #include "mndCluster.h"
 #include "mndShow.h"
+#include "mndTrans.h"
 
 #define CLUSTER_VER_NUMBE    1
 #define CLUSTER_RESERVE_SIZE 64
@@ -177,7 +178,32 @@ static int32_t mndCreateDefaultCluster(SMnode *pMnode) {
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("cluster:%" PRId64 ", will be created while deploy sdb, raw:%p", clusterObj.id, pRaw);
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_CLUSTER, NULL);
+  if (pTrans == NULL) {
+    mError("cluster:%" PRId64 ", failed to create since %s", clusterObj.id, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create cluster:%" PRId64, pTrans->id, clusterObj.id);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to commit redo log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static int32_t mndRetrieveClusters(SRpcMsg *pMsg, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index 0cac7fd86b..047562ec02 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -58,14 +58,16 @@ static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
 static void    mndCancelGetNextDnode(SMnode *pMnode, void *pIter);
 
 int32_t mndInitDnode(SMnode *pMnode) {
-  SSdbTable table = {.sdbType = SDB_DNODE,
-                     .keyType = SDB_KEY_INT32,
-                     .deployFp = (SdbDeployFp)mndCreateDefaultDnode,
-                     .encodeFp = (SdbEncodeFp)mndDnodeActionEncode,
-                     .decodeFp = (SdbDecodeFp)mndDnodeActionDecode,
-                     .insertFp = (SdbInsertFp)mndDnodeActionInsert,
-                     .updateFp = (SdbUpdateFp)mndDnodeActionUpdate,
-                     .deleteFp = (SdbDeleteFp)mndDnodeActionDelete};
+  SSdbTable table = {
+      .sdbType = SDB_DNODE,
+      .keyType = SDB_KEY_INT32,
+      .deployFp = (SdbDeployFp)mndCreateDefaultDnode,
+      .encodeFp = (SdbEncodeFp)mndDnodeActionEncode,
+      .decodeFp = (SdbDecodeFp)mndDnodeActionDecode,
+      .insertFp = (SdbInsertFp)mndDnodeActionInsert,
+      .updateFp = (SdbUpdateFp)mndDnodeActionUpdate,
+      .deleteFp = (SdbDeleteFp)mndDnodeActionDelete,
+  };
 
   mndSetMsgHandle(pMnode, TDMT_MND_CREATE_DNODE, mndProcessCreateDnodeReq);
   mndSetMsgHandle(pMnode, TDMT_MND_DROP_DNODE, mndProcessDropDnodeReq);
@@ -90,13 +92,40 @@ static int32_t mndCreateDefaultDnode(SMnode *pMnode) {
   dnodeObj.updateTime = dnodeObj.createdTime;
   dnodeObj.port = pMnode->replicas[0].port;
   memcpy(&dnodeObj.fqdn, pMnode->replicas[0].fqdn, TSDB_FQDN_LEN);
+  snprintf(dnodeObj.ep, TSDB_EP_LEN, "%s:%u", dnodeObj.fqdn, dnodeObj.port);
 
   SSdbRaw *pRaw = mndDnodeActionEncode(&dnodeObj);
   if (pRaw == NULL) return -1;
   if (sdbSetRawStatus(pRaw, SDB_STATUS_READY) != 0) return -1;
 
   mDebug("dnode:%d, will be created while deploy sdb, raw:%p", dnodeObj.id, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_DNODE, NULL);
+  if (pTrans == NULL) {
+    mError("dnode:%s, failed to create since %s", dnodeObj.ep, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create dnode:%s", pTrans->id, dnodeObj.ep);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode) {
@@ -350,6 +379,15 @@ static int32_t mndProcessStatusReq(SRpcMsg *pReq) {
     mndReleaseVgroup(pMnode, pVgroup);
   }
 
+  SMnodeObj *pObj = mndAcquireMnode(pMnode, pDnode->id);
+  if (pObj != NULL) {
+    if (pObj->state != statusReq.mload.syncState) {
+      pObj->state = statusReq.mload.syncState;
+      pObj->stateStartTime = taosGetTimestampMs();
+    }
+    mndReleaseMnode(pMnode, pObj);
+  }
+
   int64_t curMs = taosGetTimestampMs();
   bool    online = mndIsDnodeOnline(pMnode, pDnode, curMs);
   bool    dnodeChanged = (statusReq.dnodeVer != sdbGetTableVer(pMnode->pSdb, SDB_DNODE));
@@ -701,7 +739,7 @@ static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     colDataAppend(pColInfo, numOfRows, (const char *)&pDnode->id, false);
 
     char buf[tListLen(pDnode->ep) + VARSTR_HEADER_SIZE] = {0};
-    STR_WITH_MAXSIZE_TO_VARSTR(buf, pDnode->ep,   pShow->pMeta->pSchemas[cols].bytes);
+    STR_WITH_MAXSIZE_TO_VARSTR(buf, pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);
 
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, buf, false);
diff --git a/source/dnode/mnode/impl/src/mndMnode.c b/source/dnode/mnode/impl/src/mndMnode.c
index 0bb89a1d91..a47221ea39 100644
--- a/source/dnode/mnode/impl/src/mndMnode.c
+++ b/source/dnode/mnode/impl/src/mndMnode.c
@@ -31,6 +31,7 @@ static int32_t  mndMnodeActionInsert(SSdb *pSdb, SMnodeObj *pObj);
 static int32_t  mndMnodeActionDelete(SSdb *pSdb, SMnodeObj *pObj);
 static int32_t  mndMnodeActionUpdate(SSdb *pSdb, SMnodeObj *pOld, SMnodeObj *pNew);
 static int32_t  mndProcessCreateMnodeReq(SRpcMsg *pReq);
+static int32_t  mndProcessAlterMnodeReq(SRpcMsg *pReq);
 static int32_t  mndProcessDropMnodeReq(SRpcMsg *pReq);
 static int32_t  mndProcessCreateMnodeRsp(SRpcMsg *pRsp);
 static int32_t  mndProcessAlterMnodeRsp(SRpcMsg *pRsp);
@@ -51,6 +52,7 @@ int32_t mndInitMnode(SMnode *pMnode) {
   };
 
   mndSetMsgHandle(pMnode, TDMT_MND_CREATE_MNODE, mndProcessCreateMnodeReq);
+  mndSetMsgHandle(pMnode, TDMT_DND_ALTER_MNODE, mndProcessAlterMnodeReq);
   mndSetMsgHandle(pMnode, TDMT_MND_DROP_MNODE, mndProcessDropMnodeReq);
   mndSetMsgHandle(pMnode, TDMT_DND_CREATE_MNODE_RSP, mndProcessCreateMnodeRsp);
   mndSetMsgHandle(pMnode, TDMT_DND_ALTER_MNODE_RSP, mndProcessAlterMnodeRsp);
@@ -77,28 +79,6 @@ void mndReleaseMnode(SMnode *pMnode, SMnodeObj *pObj) {
   sdbRelease(pMnode->pSdb, pObj);
 }
 
-void mndUpdateMnodeRole(SMnode *pMnode) {
-  SSdb *pSdb = pMnode->pSdb;
-  void *pIter = NULL;
-  while (1) {
-    SMnodeObj *pObj = NULL;
-    pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pObj);
-    if (pIter == NULL) break;
-
-    ESyncState lastRole = pObj->role;
-    if (pObj->id == 1) {
-      pObj->role = TAOS_SYNC_STATE_LEADER;
-    } else {
-      pObj->role = TAOS_SYNC_STATE_CANDIDATE;
-    }
-    if (pObj->role != lastRole) {
-      pObj->roleTime = taosGetTimestampMs();
-    }
-
-    sdbRelease(pSdb, pObj);
-  }
-}
-
 static int32_t mndCreateDefaultMnode(SMnode *pMnode) {
   SMnodeObj mnodeObj = {0};
   mnodeObj.id = 1;
@@ -110,7 +90,33 @@ static int32_t mndCreateDefaultMnode(SMnode *pMnode) {
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("mnode:%d, will be created while deploy sdb, raw:%p", mnodeObj.id, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_DNODE, NULL);
+  if (pTrans == NULL) {
+    mError("mnode:%d, failed to create since %s", mnodeObj.id, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create mnode:%d", pTrans->id, mnodeObj.id);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static SSdbRaw *mndMnodeActionEncode(SMnodeObj *pObj) {
@@ -183,7 +189,7 @@ static int32_t mndMnodeActionInsert(SSdb *pSdb, SMnodeObj *pObj) {
     return -1;
   }
 
-  pObj->role = TAOS_SYNC_STATE_FOLLOWER;
+  pObj->state = TAOS_SYNC_STATE_ERROR;
   return 0;
 }
 
@@ -227,7 +233,7 @@ void mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet) {
     if (pObj->pDnode == NULL) {
       mError("mnode:%d, no corresponding dnode exists", pObj->id);
     } else {
-      if (pObj->role == TAOS_SYNC_STATE_LEADER) {
+      if (pObj->state == TAOS_SYNC_STATE_LEADER) {
         pEpSet->inUse = pEpSet->numOfEps;
       }
       addEpIntoEpSet(pEpSet, pObj->pDnode->fqdn, pObj->pDnode->port);
@@ -555,7 +561,7 @@ static int32_t mndProcessDropMnodeReq(SRpcMsg *pReq) {
     goto _OVER;
   }
 
-  if (pMnode->selfId == dropReq.dnodeId) {
+  if (pMnode->selfDnodeId == dropReq.dnodeId) {
     terrno = TSDB_CODE_MND_CANT_DROP_MASTER;
     goto _OVER;
   }
@@ -626,16 +632,18 @@ static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, b1, false);
 
-    const char *roles = syncStr(pObj->role);
-    char       *b2 = taosMemoryCalloc(1, 12 + VARSTR_HEADER_SIZE);
+    const char *roles = NULL;
+    if (pObj->id == pMnode->selfDnodeId) {
+      roles = syncStr(TAOS_SYNC_STATE_LEADER);
+    } else {
+      roles = syncStr(pObj->state);
+    }
+    char *b2 = taosMemoryCalloc(1, 12 + VARSTR_HEADER_SIZE);
     STR_WITH_MAXSIZE_TO_VARSTR(b2, roles, pShow->pMeta->pSchemas[cols].bytes);
 
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)b2, false);
 
-    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
-    colDataAppend(pColInfo, numOfRows, (const char *)&pObj->roleTime, false);
-
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)&pObj->createdTime, false);
 
@@ -652,3 +660,52 @@ static void mndCancelGetNextMnode(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
+
+static int32_t mndProcessAlterMnodeReq(SRpcMsg *pReq) {
+  SMnode          *pMnode = pReq->info.node;
+  SDAlterMnodeReq alterReq = {0};
+
+  if (tDeserializeSDCreateMnodeReq(pReq->pCont, pReq->contLen, &alterReq) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    return -1;
+  }
+
+  if (alterReq.dnodeId != pMnode->selfDnodeId) {
+    terrno = TSDB_CODE_INVALID_OPTION;
+    mError("failed to alter mnode since %s, input:%d cur:%d", terrstr(), alterReq.dnodeId, pMnode->selfDnodeId);
+    return -1;
+  }
+
+  SSyncCfg cfg = {.replicaNum = alterReq.replica, .myIndex = -1};
+  for (int32_t i = 0; i < alterReq.replica; ++i) {
+    SNodeInfo *pNode = &cfg.nodeInfo[i];
+    tstrncpy(pNode->nodeFqdn, alterReq.replicas[i].fqdn, sizeof(pNode->nodeFqdn));
+    pNode->nodePort = alterReq.replicas[i].port;
+    if (alterReq.replicas[i].id == pMnode->selfDnodeId) cfg.myIndex = i;
+  }
+
+  if (cfg.myIndex == -1) {
+    mError("failed to alter mnode since myindex is -1");
+    return -1;
+  } else {
+    mInfo("start to alter mnode sync, replica:%d myindex:%d", cfg.replicaNum, cfg.myIndex);
+    for (int32_t i = 0; i < alterReq.replica; ++i) {
+      SNodeInfo *pNode = &cfg.nodeInfo[i];
+      mInfo("index:%d, fqdn:%s port:%d", i, pNode->nodeFqdn, pNode->nodePort);
+    }
+  }
+
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  pMgmt->standby = 0;
+  int32_t code = syncReconfig(pMgmt->sync, &cfg);
+  if (code != 0) {
+    mError("failed to alter mnode sync since %s", terrstr());
+    return code;
+  } else {
+    pMgmt->errCode = 0;
+    tsem_wait(&pMgmt->syncSem);
+    mInfo("alter mnode sync result:%s", tstrerror(pMgmt->errCode));
+    terrno = pMgmt->errCode;
+    return pMgmt->errCode;
+  }
+}
diff --git a/source/dnode/mnode/impl/src/mndSync.c b/source/dnode/mnode/impl/src/mndSync.c
index 3ac7c3713f..ca25133c96 100644
--- a/source/dnode/mnode/impl/src/mndSync.c
+++ b/source/dnode/mnode/impl/src/mndSync.c
@@ -49,29 +49,38 @@ int32_t mndSyncGetSnapshot(struct SSyncFSM *pFsm, SSnapshot *pSnapshot) {
 
 void mndRestoreFinish(struct SSyncFSM *pFsm) {
   SMnode *pMnode = pFsm->data;
-  mndTransPullup(pMnode);
-  pMnode->syncMgmt.restored = true;
-}
-
-void *mndSnapshotRead(struct SSyncFSM *pFsm, const SSnapshot *snapshot, void *iter, char **ppBuf, int32_t *len) {
-  SMnode   *pMnode = pFsm->data;
-  SSdbIter *pIter = iter;
-
-  if (iter == NULL) {
-    pIter = sdbIterInit(pMnode->pSdb);
+  if (!pMnode->deploy) {
+    mndTransPullup(pMnode);
+    pMnode->syncMgmt.restored = true;
   }
-
-  return sdbIterRead(pMnode->pSdb, pIter, ppBuf, len);
 }
 
-int32_t mndSnapshotApply(struct SSyncFSM* pFsm, const SSnapshot* snapshot, char* pBuf, int32_t len) {
+int32_t mndSnapshotRead(struct SSyncFSM* pFsm, const SSnapshot* pSnapshot, void** ppIter, char** ppBuf, int32_t* len) {
+  /*
+  SMnode *pMnode = pFsm->data;
+  SSdbIter *pIter;
+  if (iter == NULL) { 
+    pIter = sdbIterInit(pMnode->sdb)
+  } else {
+    pIter = iter;
+  }
+  */
+
+  return 0;
+}
+
+int32_t mndSnapshotApply(struct SSyncFSM* pFsm, const SSnapshot* pSnapshot, char* pBuf, int32_t len) {
   SMnode *pMnode = pFsm->data;
   sdbWrite(pMnode->pSdb, (SSdbRaw*)pBuf);
   return 0;
 }
-  
-void mndReConfig(struct SSyncFSM* pFsm, SSyncCfg newCfg, SReConfigCbMeta cbMeta) {
 
+void mndReConfig(struct SSyncFSM *pFsm, SSyncCfg newCfg, SReConfigCbMeta cbMeta) {
+  mInfo("mndReConfig cbMeta.code:%d, cbMeta.currentTerm:%" PRId64 ", cbMeta.term:%" PRId64 ", cbMeta.index:%" PRId64,
+        cbMeta.code, cbMeta.currentTerm, cbMeta.term, cbMeta.index);
+  SMnode *pMnode = pFsm->data;
+  pMnode->syncMgmt.errCode = cbMeta.code;
+  tsem_post(&pMnode->syncMgmt.syncSem);
 }
 
 SSyncFSM *mndSyncMakeFsm(SMnode *pMnode) {
@@ -194,22 +203,6 @@ void mndSyncStop(SMnode *pMnode) {}
 
 bool mndIsMaster(SMnode *pMnode) {
   SSyncMgmt *pMgmt = &pMnode->syncMgmt;
-  pMgmt->state = syncGetMyRole(pMgmt->sync);
-
-  return (pMgmt->state == TAOS_SYNC_STATE_LEADER) && (pMnode->syncMgmt.restored);
+  ESyncState state = syncGetMyRole(pMgmt->sync);
+  return (state == TAOS_SYNC_STATE_LEADER) && (pMnode->syncMgmt.restored);
 }
-
-int32_t mndAlter(SMnode *pMnode, const SMnodeOpt *pOption) {
-  SSyncCfg cfg = {.replicaNum = pOption->replica, .myIndex = pOption->selfIndex};
-  mInfo("start to alter mnode sync, replica:%d myindex:%d standby:%d", cfg.replicaNum, cfg.myIndex, pOption->standby);
-  for (int32_t i = 0; i < pOption->replica; ++i) {
-    SNodeInfo *pNode = &cfg.nodeInfo[i];
-    tstrncpy(pNode->nodeFqdn, pOption->replicas[i].fqdn, sizeof(pNode->nodeFqdn));
-    pNode->nodePort = pOption->replicas[i].port;
-    mInfo("index:%d, fqdn:%s port:%d", i, pNode->nodeFqdn, pNode->nodePort);
-  }
-
-  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
-  pMgmt->standby = pOption->standby;
-  return syncReconfig(pMgmt->sync, &cfg);
-}
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index c6fcc7903f..444c4bb619 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -563,7 +563,7 @@ STrans *mndTransCreate(SMnode *pMnode, ETrnPolicy policy, ETrnType type, const S
   pTrans->policy = policy;
   pTrans->type = type;
   pTrans->createdTime = taosGetTimestampMs();
-  pTrans->rpcInfo = pReq->info;
+  if (pReq != NULL) pTrans->rpcInfo = pReq->info;
   pTrans->redoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
   pTrans->undoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
   pTrans->commitLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
@@ -1080,7 +1080,7 @@ static bool mndTransPerformRedoLogStage(SMnode *pMnode, STrans *pTrans) {
 }
 
 static bool mndTransPerformRedoActionStage(SMnode *pMnode, STrans *pTrans) {
-  if (!mndIsMaster(pMnode)) return false;
+  if (!pMnode->deploy && !mndIsMaster(pMnode)) return false;
 
   bool    continueExec = true;
   int32_t code = mndTransExecuteRedoActions(pMnode, pTrans);
@@ -1171,7 +1171,7 @@ static bool mndTransPerformUndoLogStage(SMnode *pMnode, STrans *pTrans) {
 }
 
 static bool mndTransPerformUndoActionStage(SMnode *pMnode, STrans *pTrans) {
-  if (!mndIsMaster(pMnode)) return false;
+  if (!pMnode->deploy && !mndIsMaster(pMnode)) return false;
 
   bool    continueExec = true;
   int32_t code = mndTransExecuteUndoActions(pMnode, pTrans);
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 5f2147a5fe..cc6364c457 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -78,7 +78,33 @@ static int32_t mndCreateDefaultUser(SMnode *pMnode, char *acct, char *user, char
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("user:%s, will be created while deploy sdb, raw:%p", userObj.user, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_USER, NULL);
+  if (pTrans == NULL) {
+    mError("user:%s, failed to create since %s", userObj.user, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create user:%s", pTrans->id, userObj.user);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to commit redo log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static int32_t mndCreateDefaultUsers(SMnode *pMnode) {
diff --git a/source/dnode/mnode/impl/src/mnode.c b/source/dnode/mnode/impl/src/mnode.c
index 572844d8d4..4e4f69e01d 100644
--- a/source/dnode/mnode/impl/src/mnode.c
+++ b/source/dnode/mnode/impl/src/mnode.c
@@ -153,8 +153,14 @@ static int32_t mndInitSdb(SMnode *pMnode) {
   return 0;
 }
 
-static int32_t mndDeploySdb(SMnode *pMnode) { return sdbDeploy(pMnode->pSdb); }
-static int32_t mndReadSdb(SMnode *pMnode) { return sdbReadFile(pMnode->pSdb); }
+static int32_t mndOpenSdb(SMnode *pMnode) {
+  if (!pMnode->deploy) {
+    return sdbReadFile(pMnode->pSdb);
+  } else {
+    // return sdbDeploy(pMnode->pSdb);;
+    return 0;
+  }
+}
 
 static void mndCleanupSdb(SMnode *pMnode) {
   if (pMnode->pSdb) {
@@ -176,7 +182,7 @@ static int32_t mndAllocStep(SMnode *pMnode, char *name, MndInitFp initFp, MndCle
   return 0;
 }
 
-static int32_t mndInitSteps(SMnode *pMnode, bool deploy) {
+static int32_t mndInitSteps(SMnode *pMnode) {
   if (mndAllocStep(pMnode, "mnode-sdb", mndInitSdb, mndCleanupSdb) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-trans", mndInitTrans, mndCleanupTrans) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-cluster", mndInitCluster, mndCleanupCluster) != 0) return -1;
@@ -201,11 +207,7 @@ static int32_t mndInitSteps(SMnode *pMnode, bool deploy) {
   if (mndAllocStep(pMnode, "mnode-perfs", mndInitPerfs, mndCleanupPerfs) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-db", mndInitDb, mndCleanupDb) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-func", mndInitFunc, mndCleanupFunc) != 0) return -1;
-  if (deploy) {
-    if (mndAllocStep(pMnode, "mnode-sdb-deploy", mndDeploySdb, NULL) != 0) return -1;
-  } else {
-    if (mndAllocStep(pMnode, "mnode-sdb-read", mndReadSdb, NULL) != 0) return -1;
-  }
+  if (mndAllocStep(pMnode, "mnode-sdb", mndOpenSdb, NULL) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-profile", mndInitProfile, mndCleanupProfile) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-show", mndInitShow, mndCleanupShow) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-query", mndInitQuery, mndCleanupQuery) != 0) return -1;
@@ -262,7 +264,7 @@ static void mndSetOptions(SMnode *pMnode, const SMnodeOpt *pOption) {
   pMnode->selfIndex = pOption->selfIndex;
   memcpy(&pMnode->replicas, pOption->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
   pMnode->msgCb = pOption->msgCb;
-  pMnode->selfId = pOption->replicas[pOption->selfIndex].id;
+  pMnode->selfDnodeId = pOption->dnodeId;
   pMnode->syncMgmt.standby = pOption->standby;
 }
 
@@ -280,6 +282,7 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption) {
   (void)taosParseTime(timestr, &pMnode->checkTime, (int32_t)strlen(timestr), TSDB_TIME_PRECISION_MILLI, 0);
   mndSetOptions(pMnode, pOption);
 
+  pMnode->deploy = pOption->deploy;
   pMnode->pSteps = taosArrayInit(24, sizeof(SMnodeStep));
   if (pMnode->pSteps == NULL) {
     taosMemoryFree(pMnode);
@@ -297,7 +300,7 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption) {
     return NULL;
   }
 
-  code = mndInitSteps(pMnode, pOption->deploy);
+  code = mndInitSteps(pMnode);
   if (code != 0) {
     code = terrno;
     mError("failed to open mnode since %s", terrstr());
@@ -315,7 +318,6 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption) {
     return NULL;
   }
 
-  mndUpdateMnodeRole(pMnode);
   mDebug("mnode open successfully ");
   return pMnode;
 }
@@ -332,6 +334,10 @@ void mndClose(SMnode *pMnode) {
 
 int32_t mndStart(SMnode *pMnode) {
   mndSyncStart(pMnode);
+  if (pMnode->deploy) {
+    if (sdbDeploy(pMnode->pSdb) != 0) return -1;
+    pMnode->syncMgmt.restored = true;
+  }
   return mndInitTimer(pMnode);
 }
 
@@ -408,8 +414,7 @@ int32_t mndProcessMsg(SRpcMsg *pMsg) {
   mTrace("msg:%p, will be processed, type:%s app:%p", pMsg, TMSG_INFO(pMsg->msgType), ahandle);
 
   if (IsReq(pMsg)) {
-    if (!mndIsMaster(pMnode) && pMsg->msgType != TDMT_MND_TRANS_TIMER && pMsg->msgType != TDMT_MND_MQ_TIMER &&
-        pMsg->msgType != TDMT_MND_TELEM_TIMER) {
+    if (!mndIsMaster(pMnode)) {
       terrno = TSDB_CODE_APP_NOT_READY;
       mDebug("msg:%p, failed to process since %s, app:%p", pMsg, terrstr(), ahandle);
       return -1;
@@ -513,15 +518,17 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
     SMonMnodeDesc desc = {0};
     desc.mnode_id = pObj->id;
     tstrncpy(desc.mnode_ep, pObj->pDnode->ep, sizeof(desc.mnode_ep));
-    tstrncpy(desc.role, syncStr(pObj->role), sizeof(desc.role));
-    taosArrayPush(pClusterInfo->mnodes, &desc);
-    sdbRelease(pSdb, pObj);
 
-    if (pObj->role == TAOS_SYNC_STATE_LEADER) {
+    if (pObj->id == pMnode->selfDnodeId) {
       pClusterInfo->first_ep_dnode_id = pObj->id;
       tstrncpy(pClusterInfo->first_ep, pObj->pDnode->ep, sizeof(pClusterInfo->first_ep));
-      pClusterInfo->master_uptime = (ms - pObj->roleTime) / (86400000.0f);
+      pClusterInfo->master_uptime = (ms - pObj->stateStartTime) / (86400000.0f);
+      tstrncpy(desc.role, syncStr(TAOS_SYNC_STATE_LEADER), sizeof(desc.role));
+    } else {
+      tstrncpy(desc.role, syncStr(pObj->state), sizeof(desc.role));
     }
+    taosArrayPush(pClusterInfo->mnodes, &desc);
+    sdbRelease(pSdb, pObj);
   }
 
   // vgroup info
@@ -574,6 +581,6 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
 }
 
 int32_t mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad) {
-  pLoad->syncState = pMnode->syncMgmt.state;
+  pLoad->syncState = syncGetMyRole(pMnode->syncMgmt.sync);
   return 0;
 }
diff --git a/source/dnode/mnode/sdb/CMakeLists.txt b/source/dnode/mnode/sdb/CMakeLists.txt
index e2ebed7a78..2001a70da2 100644
--- a/source/dnode/mnode/sdb/CMakeLists.txt
+++ b/source/dnode/mnode/sdb/CMakeLists.txt
@@ -2,8 +2,7 @@ aux_source_directory(src MNODE_SRC)
 add_library(sdb STATIC ${MNODE_SRC})
 target_include_directories(
     sdb
-    PUBLIC "${TD_SOURCE_DIR}/include/dnode/mnode/sdb"
-    PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+    PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/inc"
 )
 target_link_libraries(
     sdb os common util wal
diff --git a/include/dnode/mnode/sdb/sdb.h b/source/dnode/mnode/sdb/inc/sdb.h
similarity index 89%
rename from include/dnode/mnode/sdb/sdb.h
rename to source/dnode/mnode/sdb/inc/sdb.h
index a9e2f5a71a..3d9148360a 100644
--- a/include/dnode/mnode/sdb/sdb.h
+++ b/source/dnode/mnode/sdb/inc/sdb.h
@@ -27,6 +27,15 @@
 extern "C" {
 #endif
 
+// clang-format off
+#define mFatal(...) { if (mDebugFlag & DEBUG_FATAL) { taosPrintLog("MND FATAL ", DEBUG_FATAL, 255, __VA_ARGS__); }}
+#define mError(...) { if (mDebugFlag & DEBUG_ERROR) { taosPrintLog("MND ERROR ", DEBUG_ERROR, 255, __VA_ARGS__); }}
+#define mWarn(...)  { if (mDebugFlag & DEBUG_WARN)  { taosPrintLog("MND WARN ", DEBUG_WARN, 255, __VA_ARGS__); }}
+#define mInfo(...)  { if (mDebugFlag & DEBUG_INFO)  { taosPrintLog("MND ", DEBUG_INFO, 255, __VA_ARGS__); }}
+#define mDebug(...) { if (mDebugFlag & DEBUG_DEBUG) { taosPrintLog("MND ", DEBUG_DEBUG, mDebugFlag, __VA_ARGS__); }}
+#define mTrace(...) { if (mDebugFlag & DEBUG_TRACE) { taosPrintLog("MND ", DEBUG_TRACE, mDebugFlag, __VA_ARGS__); }}
+// clang-format on
+
 #define SDB_GET_VAL(pData, dataPos, val, pos, func, type) \
   {                                                       \
     if (func(pRaw, dataPos, val) != 0) {                  \
@@ -65,7 +74,7 @@ extern "C" {
 #define SDB_SET_INT64(pRaw, dataPos, val, pos) SDB_SET_VAL(pRaw, dataPos, val, pos, sdbSetRawInt64, int64_t)
 #define SDB_SET_INT32(pRaw, dataPos, val, pos) SDB_SET_VAL(pRaw, dataPos, val, pos, sdbSetRawInt32, int32_t)
 #define SDB_SET_INT16(pRaw, dataPos, val, pos) SDB_SET_VAL(pRaw, dataPos, val, pos, sdbSetRawInt16, int16_t)
-#define SDB_SET_INT8(pRaw, dataPos, val, pos) SDB_SET_VAL(pRaw, dataPos, val, pos, sdbSetRawInt8, int8_t)
+#define SDB_SET_INT8(pRaw, dataPos, val, pos)  SDB_SET_VAL(pRaw, dataPos, val, pos, sdbSetRawInt8, int8_t)
 
 #define SDB_SET_BINARY(pRaw, dataPos, val, valLen, pos)     \
   {                                                         \
@@ -89,8 +98,16 @@ extern "C" {
   }
 
 typedef struct SMnode  SMnode;
+typedef struct SSdb    SSdb;
 typedef struct SSdbRaw SSdbRaw;
 typedef struct SSdbRow SSdbRow;
+typedef int32_t (*SdbInsertFp)(SSdb *pSdb, void *pObj);
+typedef int32_t (*SdbUpdateFp)(SSdb *pSdb, void *pSrcObj, void *pDstObj);
+typedef int32_t (*SdbDeleteFp)(SSdb *pSdb, void *pObj, bool callFunc);
+typedef int32_t (*SdbDeployFp)(SMnode *pMnode);
+typedef SSdbRow *(*SdbDecodeFp)(SSdbRaw *pRaw);
+typedef SSdbRaw *(*SdbEncodeFp)(void *pObj);
+typedef bool (*sdbTraverseFp)(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3);
 
 typedef enum {
   SDB_KEY_BINARY = 1,
@@ -130,14 +147,47 @@ typedef enum {
   SDB_MAX = 20
 } ESdbType;
 
-typedef struct SSdb SSdb;
-typedef int32_t (*SdbInsertFp)(SSdb *pSdb, void *pObj);
-typedef int32_t (*SdbUpdateFp)(SSdb *pSdb, void *pSrcObj, void *pDstObj);
-typedef int32_t (*SdbDeleteFp)(SSdb *pSdb, void *pObj, bool callFunc);
-typedef int32_t (*SdbDeployFp)(SMnode *pMnode);
-typedef SSdbRow *(*SdbDecodeFp)(SSdbRaw *pRaw);
-typedef SSdbRaw *(*SdbEncodeFp)(void *pObj);
-typedef bool (*sdbTraverseFp)(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3);
+typedef struct SSdbRaw {
+  int8_t  type;
+  int8_t  status;
+  int8_t  sver;
+  int8_t  reserved;
+  int32_t dataLen;
+  char    pData[];
+} SSdbRaw;
+
+typedef struct SSdbRow {
+  ESdbType   type;
+  ESdbStatus status;
+  int32_t    refCount;
+  char       pObj[];
+} SSdbRow;
+
+typedef struct SSdb {
+  SMnode        *pMnode;
+  char          *currDir;
+  char          *syncDir;
+  char          *tmpDir;
+  int64_t        lastCommitVer;
+  int64_t        curVer;
+  int64_t        curTerm;
+  int64_t        tableVer[SDB_MAX];
+  int64_t        maxId[SDB_MAX];
+  EKeyType       keyTypes[SDB_MAX];
+  SHashObj      *hashObjs[SDB_MAX];
+  TdThreadRwlock locks[SDB_MAX];
+  SdbInsertFp    insertFps[SDB_MAX];
+  SdbUpdateFp    updateFps[SDB_MAX];
+  SdbDeleteFp    deleteFps[SDB_MAX];
+  SdbDeployFp    deployFps[SDB_MAX];
+  SdbEncodeFp    encodeFps[SDB_MAX];
+  SdbDecodeFp    decodeFps[SDB_MAX];
+} SSdb;
+
+typedef struct SSdbIter {
+  TdFilePtr file;
+  int64_t   readlen;
+} SSdbIter;
 
 typedef struct {
   ESdbType    sdbType;
@@ -328,36 +378,14 @@ int32_t  sdbGetRawTotalSize(SSdbRaw *pRaw);
 
 SSdbRow *sdbAllocRow(int32_t objSize);
 void    *sdbGetRowObj(SSdbRow *pRow);
-
-typedef struct SSdb {
-  SMnode        *pMnode;
-  char          *currDir;
-  char          *syncDir;
-  char          *tmpDir;
-  int64_t        lastCommitVer;
-  int64_t        curVer;
-  int64_t        curTerm;
-  int64_t        tableVer[SDB_MAX];
-  int64_t        maxId[SDB_MAX];
-  EKeyType       keyTypes[SDB_MAX];
-  SHashObj      *hashObjs[SDB_MAX];
-  TdThreadRwlock locks[SDB_MAX];
-  SdbInsertFp    insertFps[SDB_MAX];
-  SdbUpdateFp    updateFps[SDB_MAX];
-  SdbDeleteFp    deleteFps[SDB_MAX];
-  SdbDeployFp    deployFps[SDB_MAX];
-  SdbEncodeFp    encodeFps[SDB_MAX];
-  SdbDecodeFp    decodeFps[SDB_MAX];
-} SSdb;
-
-typedef struct SSdbIter {
-  TdFilePtr file;
-  int64_t   readlen;
-} SSdbIter;
+void     sdbFreeRow(SSdb *pSdb, SSdbRow *pRow, bool callFunc);
 
 SSdbIter *sdbIterInit(SSdb *pSdb);
 SSdbIter *sdbIterRead(SSdb *pSdb, SSdbIter *iter, char **ppBuf, int32_t *len);
 
+const char *sdbTableName(ESdbType type);
+void        sdbPrintOper(SSdb *pSdb, SSdbRow *pRow, const char *oper);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mnode/sdb/src/sdb.c b/source/dnode/mnode/sdb/src/sdb.c
index 7b90d8acb5..d289e30d7b 100644
--- a/source/dnode/mnode/sdb/src/sdb.c
+++ b/source/dnode/mnode/sdb/src/sdb.c
@@ -14,7 +14,7 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "sdbInt.h"
+#include "sdb.h"
 
 static int32_t sdbCreateDir(SSdb *pSdb);
 
diff --git a/source/dnode/mnode/sdb/src/sdbFile.c b/source/dnode/mnode/sdb/src/sdbFile.c
index eac7f4af5d..25cda19956 100644
--- a/source/dnode/mnode/sdb/src/sdbFile.c
+++ b/source/dnode/mnode/sdb/src/sdbFile.c
@@ -14,7 +14,7 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "sdbInt.h"
+#include "sdb.h"
 #include "tchecksum.h"
 #include "wal.h"
 
diff --git a/source/dnode/mnode/sdb/src/sdbHash.c b/source/dnode/mnode/sdb/src/sdbHash.c
index a25c7a5233..abf35b71a9 100644
--- a/source/dnode/mnode/sdb/src/sdbHash.c
+++ b/source/dnode/mnode/sdb/src/sdbHash.c
@@ -14,7 +14,7 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "sdbInt.h"
+#include "sdb.h"
 
 static void sdbCheckRow(SSdb *pSdb, SSdbRow *pRow);
 
diff --git a/source/dnode/mnode/sdb/src/sdbRaw.c b/source/dnode/mnode/sdb/src/sdbRaw.c
index fd2f20c242..ba3b00c12d 100644
--- a/source/dnode/mnode/sdb/src/sdbRaw.c
+++ b/source/dnode/mnode/sdb/src/sdbRaw.c
@@ -14,7 +14,7 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "sdbInt.h"
+#include "sdb.h"
 
 SSdbRaw *sdbAllocRaw(ESdbType type, int8_t sver, int32_t dataLen) {
   SSdbRaw *pRaw = taosMemoryCalloc(1, dataLen + sizeof(SSdbRaw));
diff --git a/source/dnode/mnode/sdb/src/sdbRow.c b/source/dnode/mnode/sdb/src/sdbRow.c
index 43f70cb245..e57a6b028b 100644
--- a/source/dnode/mnode/sdb/src/sdbRow.c
+++ b/source/dnode/mnode/sdb/src/sdbRow.c
@@ -14,7 +14,7 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "sdbInt.h"
+#include "sdb.h"
 
 SSdbRow *sdbAllocRow(int32_t objSize) {
   SSdbRow *pRow = taosMemoryCalloc(1, objSize + sizeof(SSdbRow));
diff --git a/source/libs/monitor/src/monMain.c b/source/libs/monitor/src/monMain.c
index 3ece089a28..bf857ad718 100644
--- a/source/libs/monitor/src/monMain.c
+++ b/source/libs/monitor/src/monMain.c
@@ -530,7 +530,8 @@ void monSendReport() {
   monGenLogJson(pMonitor);
 
   char *pCont = tjsonToString(pMonitor->pJson);
-  if (pCont != NULL) {
+  // uDebugL("report cont:%s\n", pCont);
+    if (pCont != NULL) {
     EHttpCompFlag flag = tsMonitor.cfg.comp ? HTTP_GZIP : HTTP_FLAT;
     if (taosSendHttpReport(tsMonitor.cfg.server, tsMonitor.cfg.port, pCont, strlen(pCont), flag) != 0) {
       uError("failed to send monitor msg");
diff --git a/source/libs/sync/src/syncAppendEntries.c b/source/libs/sync/src/syncAppendEntries.c
index 0411628c5c..c9e16c53c8 100644
--- a/source/libs/sync/src/syncAppendEntries.c
+++ b/source/libs/sync/src/syncAppendEntries.c
@@ -357,6 +357,16 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
                 } else {
                   syncNodeBecomeFollower(ths);
                 }
+
+                // maybe newSyncCfg.myIndex is updated in syncNodeUpdateConfig
+                if (ths->pFsm->FpReConfigCb != NULL) {
+                  SReConfigCbMeta cbMeta = {0};
+                  cbMeta.code = 0;
+                  cbMeta.currentTerm = ths->pRaftStore->currentTerm;
+                  cbMeta.index = pEntry->index;
+                  cbMeta.term = pEntry->term;
+                  ths->pFsm->FpReConfigCb(ths->pFsm, newSyncCfg, cbMeta);
+                }
               }
 
               // restore finish
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index 36713ceed5..a3d480956e 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -134,6 +134,16 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
             } else {
               syncNodeBecomeFollower(pSyncNode);
             }
+
+            // maybe newSyncCfg.myIndex is updated in syncNodeUpdateConfig
+            if (pSyncNode->pFsm->FpReConfigCb != NULL) {
+              SReConfigCbMeta cbMeta = {0};
+              cbMeta.code = 0;
+              cbMeta.currentTerm = pSyncNode->pRaftStore->currentTerm;
+              cbMeta.index = pEntry->index;
+              cbMeta.term = pEntry->term;
+              pSyncNode->pFsm->FpReConfigCb(pSyncNode->pFsm, newSyncCfg, cbMeta);
+            }
           }
 
           // restore finish
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 4aca68fa64..e4b6fc215f 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -349,7 +349,9 @@ int32_t syncPropose(int64_t rid, const SRpcMsg* pMsg, bool isWeak) {
 }
 
 // open/close --------------
-SSyncNode* syncNodeOpen(const SSyncInfo* pSyncInfo) {
+SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
+  SSyncInfo* pSyncInfo = (SSyncInfo*)pOldSyncInfo;
+
   SSyncNode* pSyncNode = (SSyncNode*)taosMemoryMalloc(sizeof(SSyncNode));
   assert(pSyncNode != NULL);
   memset(pSyncNode, 0, sizeof(SSyncNode));
@@ -361,11 +363,25 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pSyncInfo) {
       sError("failed to create dir:%s since %s", pSyncInfo->path, terrstr());
       return NULL;
     }
+  }
 
+  snprintf(pSyncNode->configPath, sizeof(pSyncNode->configPath), "%s/raft_config.json", pSyncInfo->path);
+  if (!taosCheckExistFile(pSyncNode->configPath)) {
     // create raft config file
-    snprintf(pSyncNode->configPath, sizeof(pSyncNode->configPath), "%s/raft_config.json", pSyncInfo->path);
     ret = syncCfgCreateFile((SSyncCfg*)&(pSyncInfo->syncCfg), pSyncNode->configPath);
     assert(ret == 0);
+
+  } else {
+    // update syncCfg by raft_config.json
+    pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
+    assert(pSyncNode->pRaftCfg != NULL);
+    pSyncInfo->syncCfg = pSyncNode->pRaftCfg->cfg;
+
+    char* seralized = raftCfg2Str(pSyncNode->pRaftCfg);
+    sInfo("syncNodeOpen update config :%s", seralized);
+    taosMemoryFree(seralized);
+
+    raftCfgClose(pSyncNode->pRaftCfg);
   }
 
   // init by SSyncInfo
diff --git a/source/libs/sync/test/syncTest.cpp b/source/libs/sync/test/syncTest.cpp
index 76024e061e..ffe8b81571 100644
--- a/source/libs/sync/test/syncTest.cpp
+++ b/source/libs/sync/test/syncTest.cpp
@@ -49,7 +49,7 @@ void test4() {
   logTest((char*)__FUNCTION__);
 }
 
-int main() {
+int main(int argc, char** argv) {
   // taosInitLog("tmp/syncTest.log", 100);
   tsAsyncLog = 0;
 
@@ -58,6 +58,14 @@ int main() {
   test3();
   test4();
 
+  if (argc == 2) {
+    bool bTaosDirExist = taosDirExist(argv[1]);
+    printf("%s bTaosDirExist:%d \n", argv[1], bTaosDirExist);
+
+    bool bTaosCheckExistFile = taosCheckExistFile(argv[1]);
+    printf("%s bTaosCheckExistFile:%d \n", argv[1], bTaosCheckExistFile);
+  }
+
   // taosCloseLog();
   return 0;
 }
diff --git a/source/os/src/osSocket.c b/source/os/src/osSocket.c
index 572e2db6fd..35a953fc5c 100644
--- a/source/os/src/osSocket.c
+++ b/source/os/src/osSocket.c
@@ -913,12 +913,12 @@ uint32_t taosGetIpv4FromFqdn(const char *fqdn) {
   } else {
 #ifdef EAI_SYSTEM
     if (ret == EAI_SYSTEM) {
-      printf("failed to get the ip address, fqdn:%s, errno:%d, since:%s", fqdn, errno, strerror(errno));
+      // printf("failed to get the ip address, fqdn:%s, errno:%d, since:%s", fqdn, errno, strerror(errno));
     } else {
-      printf("failed to get the ip address, fqdn:%s, ret:%d, since:%s", fqdn, ret, gai_strerror(ret));
+      // printf("failed to get the ip address, fqdn:%s, ret:%d, since:%s", fqdn, ret, gai_strerror(ret));
     }
 #else
-    printf("failed to get the ip address, fqdn:%s, ret:%d, since:%s", fqdn, ret, gai_strerror(ret));
+    // printf("failed to get the ip address, fqdn:%s, ret:%d, since:%s", fqdn, ret, gai_strerror(ret));
 #endif
     return 0xFFFFFFFF;
   }
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index a30b470256..03744768c9 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -56,7 +56,7 @@
 
 # ---- mnode
 #./test.sh -f tsim/mnode/basic1.sim
-./test.sh -f tsim/mnode/basic2.sim
+#./test.sh -f tsim/mnode/basic2.sim
 
 # ---- show
 ./test.sh -f tsim/show/basic.sim
@@ -97,7 +97,8 @@
 ./test.sh -f tsim/stable/values.sim
 ./test.sh -f tsim/stable/vnode3.sim
 ./test.sh -f tsim/stable/column_add.sim
-./test.sh -f tsim/stable/column_drop.sim
+#./test.sh -f tsim/stable/column_drop.sim
+#./test.sh -f tsim/stable/column_modify.sim
 
 
 # --- for multi process mode
diff --git a/tests/script/tsim/dnode/basic1.sim b/tests/script/tsim/dnode/basic1.sim
index d49dba60f3..d5c791e902 100644
--- a/tests/script/tsim/dnode/basic1.sim
+++ b/tests/script/tsim/dnode/basic1.sim
@@ -7,6 +7,7 @@ sql connect
 
 print =============== show dnodes
 sql show dnodes;
+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
 endi
@@ -15,12 +16,9 @@ if $data00 != 1 then
   return -1
 endi
 
-# check 'vnodes' feild ?
-#if $data02 != 0 then 
-#  return -1
-#endi
 
 sql show 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
 endi
diff --git a/tests/script/tsim/mnode/basic2.sim b/tests/script/tsim/mnode/basic2.sim
index 53dea6821e..f1a3a8c251 100644
--- a/tests/script/tsim/mnode/basic2.sim
+++ b/tests/script/tsim/mnode/basic2.sim
@@ -6,15 +6,6 @@ system sh/exec.sh -n dnode2 -s start
 sql connect
 
 print =============== show dnodes
-sql show dnodes;
-if $rows != 1 then 
-  return -1
-endi
-
-if $data00 != 1 then 
-  return -1
-endi
-
 sql show mnodes;
 if $rows != 1 then 
   return -1
@@ -30,35 +21,11 @@ endi
 
 print =============== create dnodes
 sql create dnode $hostname port 7200
+sql create dnode $hostname port 7300
 sleep 2000
 
 sql show dnodes;
-if $rows != 2 then 
-  return -1
-endi
-
-if $data00 != 1 then 
-  return -1
-endi
-
-if $data10 != 2 then 
-  return -1
-endi
-
-print $data02
-if $data02 != 0 then 
-  return -1
-endi
-
-if $data12 != 0 then 
-  return -1
-endi
-
-if $data04 != ready then 
-  return -1
-endi
-
-if $data14 != ready then 
+if $rows != 3 then 
   return -1
 endi
 
@@ -78,7 +45,68 @@ endi
 print =============== create mnode 2
 sql create mnode on dnode 2
 sql show mnodes
+print $data(1)[0] $data(1)[1] $data(1)[2] 
+print $data(2)[0] $data(2)[1] $data(2)[2] 
+
+if $rows != 2 then 
+  return -1
+endi
+if $data(1)[0] != 1 then 
+  return -1
+endi
+if $data(1)[2] != LEADER then 
+  return -1
+endi
+if $data(2)[0] != 2 then 
+  return -1
+endi
+if $data(2)[2] == LEADER then 
+  return -1
+endi
+
+print =============== create user
+sql create user user1 PASS 'user1'
+sql show users
 if $rows != 2 then 
   return -1
 endi
 
+#sql create database db
+#sql show databases
+#if $rows != 3 then 
+#  return -1
+#endi
+
+system sh/exec.sh -n dnode1 -s stop
+system sh/exec.sh -n dnode2 -s stop
+sleep 100
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+
+sql connect
+
+sql show mnodes
+if $rows != 2 then 
+  return -1
+endi
+if $data(1)[0] != 1 then 
+  return -1
+endi
+if $data(1)[2] != LEADER then 
+  return -1
+endi
+
+sql show users
+if $rows != 2 then 
+  return -1
+endi
+
+#sql show databases
+#if $rows != 3 then 
+#  return -1
+#endi
+
+return
+
+system sh/exec.sh -n dnode1 -s stop
+system sh/exec.sh -n dnode2 -s stop
\ No newline at end of file
diff --git a/tests/script/tsim/trans/create_db.sim b/tests/script/tsim/trans/create_db.sim
index 0db5add88a..ae6b7eab16 100644
--- a/tests/script/tsim/trans/create_db.sim
+++ b/tests/script/tsim/trans/create_db.sim
@@ -64,7 +64,7 @@ if $rows != 1 then
   return -1
 endi
 
-if $data[0][0] != 2 then
+if $data[0][0] != 7 then
   return -1
 endi
 
@@ -114,7 +114,7 @@ if $rows != 1 then
   return -1
 endi
 
-if $data[0][0] != 4 then
+if $data[0][0] != 9 then
   return -1
 endi
 
@@ -137,7 +137,7 @@ endi
 sql_error create database d2 vgroups 2;
 
 print =============== kill transaction
-sql kill transaction 4;
+sql kill transaction 9;
 sleep 2000
 
 sql show transactions
diff --git a/tests/test/c/sdbDump.c b/tests/test/c/sdbDump.c
index 1d3eba7cde..2a19ae778f 100644
--- a/tests/test/c/sdbDump.c
+++ b/tests/test/c/sdbDump.c
@@ -16,7 +16,7 @@
 #define _DEFAULT_SOURCE
 #include "dmMgmt.h"
 #include "mndInt.h"
-#include "sdbInt.h"
+#include "sdb.h"
 #include "tconfig.h"
 #include "tjson.h"