diff --git a/src/dnode/src/dnodeMClient.c b/src/dnode/src/dnodeMClient.c
index e3a7f99a5fbf48257d6605b903f0e24f17c67f4c..76bb8aa524f8e703dc7693215d54c1bbba6de18f 100644
--- a/src/dnode/src/dnodeMClient.c
+++ b/src/dnode/src/dnodeMClient.c
@@ -21,6 +21,8 @@
 #include "tutil.h"
 #include "dnode.h"
 #include "dnodeMClient.h"
+#include "dnodeModule.h"
+#include "dnodeMClient.h"
 
 static bool   dnodeReadMnodeIpList();
 static void   dnodeSaveMnodeIpList();
diff --git a/src/dnode/src/dnodeMgmt.c b/src/dnode/src/dnodeMgmt.c
index caff618048b04a070874584a1dd27a7c7df868a2..e1c836a0ea383d72a26098369ec88c30d057824d 100644
--- a/src/dnode/src/dnodeMgmt.c
+++ b/src/dnode/src/dnodeMgmt.c
@@ -497,8 +497,8 @@ static void dnodeReadDnodeId() {
   int32_t num = 0;
   
   fscanf(fp, "%s %d", option, &value);
-  if (num != 2) return false;
-  if (strcmp(option, "dnodeId") != 0) return false;
+  if (num != 2) return;
+  if (strcmp(option, "dnodeId") != 0) return;
   tsDnodeId = value;;
 
   fclose(fp);
@@ -510,16 +510,12 @@ static void dnodeSaveDnodeId() {
   sprintf(dnodeIdFile, "%s/dnodeId", tsDnodeDir);
 
   FILE *fp = fopen(dnodeIdFile, "w");
-  if (!fp) {
-    return false;
-  }
+  if (!fp) return;
 
   fprintf(fp, "dnodeId %d\n", tsDnodeId);
 
   fclose(fp);
   dPrint("save dnodeId successed");
-
-  return true;
 }
 
 void dnodeUpdateDnodeId(int32_t dnodeId) {
diff --git a/src/inc/mnode.h b/src/inc/mnode.h
index d42d2f45f0929d67686487b45d7964b099e9f096..4cae1d5c678100e5341d50318b05899e448e64d6 100644
--- a/src/inc/mnode.h
+++ b/src/inc/mnode.h
@@ -42,46 +42,38 @@ extern "C" {
 typedef struct {
   int32_t    dnodeId;
   uint32_t   privateIp;
-  int32_t    sid;
+  uint32_t   publicIp;
   uint32_t   moduleStatus;
-  int32_t    openVnodes;
-  int32_t    numOfVnodes;
-  int32_t    numOfFreeVnodes;
   int64_t    createdTime;
-  uint32_t   publicIp;
-  int32_t    status;
   uint32_t   lastAccess;
-  uint32_t   rebootTimes;
-  uint32_t   lastReboot;       // time stamp for last reboot
+  int32_t    openVnodes;
+  int32_t    numOfTotalVnodes; // from dnode status msg, config information
+  uint32_t   rack;
+  uint16_t   idc;
+  uint16_t   slot;
   uint16_t   numOfCores;       // from dnode status msg
-  uint8_t    alternativeRole;  // from dnode status msg, 0-any, 1-mgmt, 2-dnode
-  uint8_t    reserveStatus;
-  uint16_t   numOfTotalVnodes; // from dnode status msg, config information
-  uint16_t   unused;
+  int8_t     alternativeRole;  // from dnode status msg, 0-any, 1-mgmt, 2-dnode
+  int8_t     lbStatus;         // set in balance function
+  float      lbScore;          // calc in balance function
+  int32_t    customScore;      // config by user
+  char       dnodeName[TSDB_DNODE_NAME_LEN + 1];
+  char       reserved[7];
+  char       updateEnd[1];
+  SVnodeLoad vload[TSDB_MAX_VNODES];
+  int32_t    status;
+  uint32_t   lastReboot;       // time stamp for last reboot
   float      diskAvailable;    // from dnode status msg
-  int32_t    bandwidthMb;      // config by user
+  int16_t    diskAvgUsage;     // calc from sys.disk
   int16_t    cpuAvgUsage;      // calc from sys.cpu
   int16_t    memoryAvgUsage;   // calc from sys.mem
-  int16_t    diskAvgUsage;     // calc from sys.disk
   int16_t    bandwidthUsage;   // calc from sys.band
-  uint32_t   rack;
-  uint16_t   idc;
-  uint16_t   slot;
-  int32_t    customScore;     // config by user
-  float      lbScore;         // calc in balance function
-  int16_t    lbStatus;         // set in balance function
-  int16_t    lastAllocVnode;  // increase while create vnode
-  SVnodeLoad vload[TSDB_MAX_VNODES];
-  char       reserved[16];
-  char       updateEnd[1];
-  void *     thandle;
 } SDnodeObj;
 
 typedef struct {
   int32_t  dnodeId;
-  uint32_t ip;
-  uint32_t publicIp;
   int32_t  vnode;
+  uint32_t privateIp;
+  uint32_t publicIp;
 } SVnodeGid;
 
 typedef struct {
@@ -150,15 +142,13 @@ typedef struct _vg_obj {
   uint32_t        vgId;
   char            dbName[TSDB_DB_NAME_LEN + 1];
   int64_t         createdTime;
-  uint64_t        lastCreate;
-  uint64_t        lastRemove;
-  int32_t         numOfVnodes;
   SVnodeGid       vnodeGid[TSDB_VNODES_SUPPORT];
+  int32_t         numOfVnodes;
   int32_t         numOfTables;
   int32_t         lbIp;
   int32_t         lbTime;
   int8_t          lbStatus;
-  int8_t          reserved[16];
+  int8_t          reserved[14];
   int8_t          updateEnd[1];
   struct _vg_obj *prev, *next;
   void *          idPool;
@@ -170,8 +160,7 @@ typedef struct _db_obj {
   int8_t  dirty;
   int64_t createdTime;
   SDbCfg  cfg;
-  int8_t  dropStatus;
-  char    reserved[16];
+  char    reserved[15];
   char    updateEnd[1];
   struct _db_obj *prev, *next;
   int32_t numOfVgroups;
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index 38fcb3fd42a58e3d7bbfa6a470053031652b98d3..c908d34136db2526d0f4fb73b9f547c6aacc4573 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -520,18 +520,20 @@ typedef struct {
 
 typedef struct {
   int32_t vgId;
+  int32_t vnode;
   int64_t totalStorage;
   int64_t compStorage;
   int64_t pointsWritten;
   uint8_t status;
   uint8_t syncStatus;
   uint8_t accessState;
-  uint8_t reserved[6];
+  uint8_t reserved[5];
 } SVnodeLoad;
 
 typedef struct {
   uint32_t vnode;
-  char     accessState;
+  uint8_t  accessState;
+  uint8_t  reserved[3];
 } SVnodeAccess;
 
 /*
diff --git a/src/mnode/inc/mgmtBalance.h b/src/mnode/inc/mgmtBalance.h
index ad55e0645c41f8f166637aca86fd0df14e174a4d..697bc46a7e8d3dcdb07f3bfd2c55595e05bb63b9 100644
--- a/src/mnode/inc/mgmtBalance.h
+++ b/src/mnode/inc/mgmtBalance.h
@@ -23,6 +23,7 @@ extern "C" {
 
 int32_t mgmtInitBalance();
 void    mgmtCleanupBalance();
+void    mgmtStartBalance(int32_t afterMs) ;
 int32_t mgmtAllocVnodes(SVgObj *pVgroup);
 
 #ifdef __cplusplus
diff --git a/src/mnode/inc/mgmtDServer.h b/src/mnode/inc/mgmtDServer.h
index 9f3792907cc4f4e0244d4b883756516e6a8bf675..937ae8f1acd46c48a4811195e7aa5916b0a1db73 100644
--- a/src/mnode/inc/mgmtDServer.h
+++ b/src/mnode/inc/mgmtDServer.h
@@ -24,21 +24,6 @@ int32_t mgmtInitDServer();
 void    mgmtCleanupDServer();
 void    mgmtAddDServerMsgHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
 
-
-//extern void *mgmtStatusTimer;
-//
-//void mgmtSendCreateTableMsg(SMDCreateTableMsg *pCreate, SRpcIpSet *ipSet, void *ahandle);
-//void mgmtSendDropTableMsg(SMDDropTableMsg *pRemove, SRpcIpSet *ipSet, void *ahandle);
-//void mgmtSendAlterStreamMsg(STableInfo *pTable, SRpcIpSet *ipSet, void *ahandle);
-//void mgmtSendDropVnodeMsg(int32_t vnode, SRpcIpSet *ipSet, void *ahandle);
-//
-//int32_t mgmtInitDnodeInt();
-//void    mgmtCleanUpDnodeInt();
-//
-//void mgmtSendMsgToDnode(SRpcIpSet *ipSet, int8_t msgType, void *pCont, int32_t contLen, void *ahandle);
-//void mgmtSendRspToDnode(void *pConn, int8_t msgType, int32_t code, void *pCont, int32_t contLen);
-//void mgmtProcessMsgFromDnode(char msgType, void *pCont, int32_t contLen, void *pConn, int32_t code);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/mnode/inc/mgmtDnode.h b/src/mnode/inc/mgmtDnode.h
index 2fd6cb3d8d395f527d77acb786b6807eb955f085..4dc82fefe381adee2a3f16e16d17523edd7aade1 100644
--- a/src/mnode/inc/mgmtDnode.h
+++ b/src/mnode/inc/mgmtDnode.h
@@ -25,7 +25,8 @@ int32_t mgmtInitDnodes();
 void    mgmtCleanUpDnodes();
 int32_t mgmtGetDnodesNum();
 int32_t mgmtUpdateDnode(SDnodeObj *pDnode);
-SDnodeObj* mgmtGetDnode(uint32_t ip);
+SDnodeObj* mgmtGetDnode(int32_t dnodeId);
+SDnodeObj* mgmtGetDnodeByIp(uint32_t ip);
 
 bool mgmtCheckDnodeInRemoveState(SDnodeObj *pDnode);
 bool mgmtCheckDnodeInOfflineState(SDnodeObj *pDnode);
diff --git a/src/mnode/src/mgmtAcct.c b/src/mnode/src/mgmtAcct.c
index 4c25449c22ad0ed48d55726f8792851be120c22f..b1ee72386ef9bc36635c982685e7885bd1ab5f93 100644
--- a/src/mnode/src/mgmtAcct.c
+++ b/src/mnode/src/mgmtAcct.c
@@ -24,7 +24,7 @@ void      (*mgmtCleanUpAcctsFp)() = NULL;
 SAcctObj *(*mgmtGetAcctFp)(char *acctName) = NULL;
 int32_t   (*mgmtCheckUserLimitFp)(SAcctObj *pAcct) = NULL;
 int32_t   (*mgmtCheckDbLimitFp)(SAcctObj *pAcct) = NULL;
-int32_t   (*mgmtCheckTimeSeriesLimitFp)(SAcctObj *pAcct, int32_t numOfTimeSeries) = NULL;
+int32_t   (*mgmtCheckTableLimitFp)(SAcctObj *pAcct, int32_t numOfTimeSeries) = NULL;
 
 int32_t mgmtAddDbIntoAcct(SAcctObj *pAcct, SDbObj *pDb) {
   pthread_mutex_lock(&pAcct->mutex);
@@ -137,8 +137,8 @@ int32_t mgmtCheckDbLimit(SAcctObj *pAcct) {
 }
 
 int32_t mgmtCheckTableLimit(SAcctObj *pAcct, int32_t numOfTimeSeries) {
-  if (mgmtCheckTimeSeriesLimitFp) {
-    return (*mgmtCheckTimeSeriesLimitFp)(pAcct, numOfTimeSeries);
+  if (mgmtCheckTableLimitFp) {
+    return (*mgmtCheckTableLimitFp)(pAcct, numOfTimeSeries);
   } else {
     return 0;
   }
diff --git a/src/mnode/src/mgmtBalance.c b/src/mnode/src/mgmtBalance.c
index fae237c4f55d1ab4ed4a2eca0c47759141831207..116e0ef36ba1bbaaf95ea15e54253f2d93520264 100644
--- a/src/mnode/src/mgmtBalance.c
+++ b/src/mnode/src/mgmtBalance.c
@@ -20,6 +20,7 @@
 
 int32_t (*mgmtInitBalanceFp)() = NULL;
 void    (*mgmtCleanupBalanceFp)() = NULL;
+void    (*mgmtStartBalanceFp)(int32_t afterMs) = NULL;
 int32_t (*mgmtAllocVnodesFp)(SVgObj *pVgroup) = NULL;
 
 int32_t mgmtInitBalance() {
@@ -36,33 +37,28 @@ void mgmtCleanupBalance() {
   }
 }
 
+void mgmtStartBalance(int32_t afterMs) {
+  if (mgmtStartBalanceFp) {
+    (*mgmtStartBalanceFp)(afterMs);
+  }
+}
+
 int32_t mgmtAllocVnodes(SVgObj *pVgroup) {
   if (mgmtAllocVnodesFp) {
-    return mgmtAllocVnodesFp(pVgroup);
+    return (*mgmtAllocVnodesFp)(pVgroup);
   }
 
-  SDnodeObj *pDnode = mgmtGetDnode(0);
+  SDnodeObj *pDnode = mgmtGetDnode(1);
   if (pDnode == NULL) return TSDB_CODE_OTHERS;
 
-  int32_t selectedVnode = -1;
-  int32_t lastAllocVode = pDnode->lastAllocVnode;
-
-  for (int32_t i = 0; i < pDnode->numOfVnodes; i++) {
-    int32_t vnode = (i + lastAllocVode) % pDnode->numOfVnodes;
-    if (pDnode->vload[vnode].vgId == 0 && pDnode->vload[vnode].status == TSDB_VN_STATUS_OFFLINE) {
-      selectedVnode = vnode;
-      break;
-    }
-  }
-
-  if (selectedVnode == -1) {
-    mError("alloc vnode failed, free vnodes:%d", pDnode->numOfFreeVnodes);
-    return -1;
+  if (pDnode->openVnodes < pDnode->numOfTotalVnodes) {
+    pVgroup->vnodeGid[0].dnodeId   = pDnode->dnodeId;
+    pVgroup->vnodeGid[0].privateIp = pDnode->privateIp;
+    pVgroup->vnodeGid[0].publicIp  = pDnode->publicIp;
+    mTrace("dnode:%d, alloc one vnode to vgroup", pDnode->dnodeId);
+    return TSDB_CODE_SUCCESS;
   } else {
-    mTrace("allocate vnode:%d, last allocated vnode:%d", selectedVnode, lastAllocVode);
-    pVgroup->vnodeGid[0].vnode = selectedVnode;
-    pDnode->lastAllocVnode     = selectedVnode + 1;
-    if (pDnode->lastAllocVnode >= pDnode->numOfVnodes) pDnode->lastAllocVnode = 0;
-    return 0;
+    mError("dnode:%d, failed to alloc vnode to vgroup", pDnode->dnodeId);
+    return TSDB_CODE_NO_ENOUGH_DNODES;
   }
 }
diff --git a/src/mnode/src/mgmtChildTable.c b/src/mnode/src/mgmtChildTable.c
index 1e9e55e38121696f5fb3d8329cb0432d292b391e..53304c7565502e8cf2e4be689ead66ceadefa612 100644
--- a/src/mnode/src/mgmtChildTable.c
+++ b/src/mnode/src/mgmtChildTable.c
@@ -34,7 +34,7 @@
 #include "mgmtTable.h"
 #include "mgmtVgroup.h"
 
-void *tsChildTableSdb;
+void   *tsChildTableSdb;
 int32_t tsChildTableUpdateSize;
 void *(*mgmtChildTableActionFp[SDB_MAX_ACTION_TYPES])(void *row, char *str, int32_t size, int32_t *ssize);
 
@@ -51,12 +51,12 @@ static void mgmtDestroyChildTable(SChildTableObj *pTable) {
 }
 
 static void mgmtChildTableActionInit() {
-  mgmtChildTableActionFp[SDB_TYPE_INSERT] = mgmtChildTableActionInsert;
-  mgmtChildTableActionFp[SDB_TYPE_DELETE] = mgmtChildTableActionDelete;
-  mgmtChildTableActionFp[SDB_TYPE_UPDATE] = mgmtChildTableActionUpdate;
-  mgmtChildTableActionFp[SDB_TYPE_ENCODE] = mgmtChildTableActionEncode;
-  mgmtChildTableActionFp[SDB_TYPE_DECODE] = mgmtChildTableActionDecode;
-  mgmtChildTableActionFp[SDB_TYPE_RESET] = mgmtChildTableActionReset;
+  mgmtChildTableActionFp[SDB_TYPE_INSERT]  = mgmtChildTableActionInsert;
+  mgmtChildTableActionFp[SDB_TYPE_DELETE]  = mgmtChildTableActionDelete;
+  mgmtChildTableActionFp[SDB_TYPE_UPDATE]  = mgmtChildTableActionUpdate;
+  mgmtChildTableActionFp[SDB_TYPE_ENCODE]  = mgmtChildTableActionEncode;
+  mgmtChildTableActionFp[SDB_TYPE_DECODE]  = mgmtChildTableActionDecode;
+  mgmtChildTableActionFp[SDB_TYPE_RESET]   = mgmtChildTableActionReset;
   mgmtChildTableActionFp[SDB_TYPE_DESTROY] = mgmtChildTableActionDestroy;
 }
 
@@ -77,26 +77,26 @@ void *mgmtChildTableActionInsert(void *row, char *str, int32_t size, int32_t *ss
 
   SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
   if (pVgroup == NULL) {
-    mError("id:%s not in vgroup:%d", pTable->tableId, pTable->vgId);
+    mError("ctable:%s, not in vgroup:%d", pTable->tableId, pTable->vgId);
     return NULL;
   }
 
   SDbObj *pDb = mgmtGetDb(pVgroup->dbName);
   if (pDb == NULL) {
-    mError("vgroup:%d not in DB:%s", pVgroup->vgId, pVgroup->dbName);
+    mError("ctable:%s, vgroup:%d not in db:%s", pTable->tableId, pVgroup->vgId, pVgroup->dbName);
     return NULL;
   }
 
   SAcctObj *pAcct = mgmtGetAcct(pDb->cfg.acct);
   if (pAcct == NULL) {
-    mError("account not exists");
+    mError("ctable:%s, account:%s not exists", pTable->tableId, pDb->cfg.acct);
     return NULL;
   }
 
   if (!sdbMaster) {
     int32_t sid = taosAllocateId(pVgroup->idPool);
     if (sid != pTable->sid) {
-      mError("sid:%d is not matched from the master:%d", sid, pTable->sid);
+      mError("ctable:%s, sid:%d is not matched from the master:%d", pTable->tableId, sid, pTable->sid);
       return NULL;
     }
   }
@@ -128,13 +128,13 @@ void *mgmtChildTableActionDelete(void *row, char *str, int32_t size, int32_t *ss
 
   SDbObj *pDb = mgmtGetDb(pVgroup->dbName);
   if (pDb == NULL) {
-    mError("vgroup:%d not in DB:%s", pVgroup->vgId, pVgroup->dbName);
+    mError("ctable:%s, vgroup:%d not in DB:%s", pTable->tableId, pVgroup->vgId, pVgroup->dbName);
     return NULL;
   }
 
   SAcctObj *pAcct = mgmtGetAcct(pDb->cfg.acct);
   if (pAcct == NULL) {
-    mError("account not exists");
+    mError("ctable:%s, account:%s not exists", pTable->tableId, pDb->cfg.acct);
     return NULL;
   }
 
@@ -313,7 +313,7 @@ void *mgmtBuildCreateChildTableMsg(SCMCreateTableMsg *pMsg, SChildTableObj *pTab
 void* mgmtCreateChildTable(SCMCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t tid) {
   int32_t numOfTables = sdbGetNumOfRows(tsChildTableSdb);
   if (numOfTables >= tsMaxTables) {
-    mError("table:%s, numOfTables:%d exceed maxTables:%d", pCreate->tableId, numOfTables, tsMaxTables);
+    mError("ctable:%s, numOfTables:%d exceed maxTables:%d", pCreate->tableId, numOfTables, tsMaxTables);
     terrno = TSDB_CODE_TOO_MANY_TABLES;
     return NULL;
   }
@@ -321,14 +321,14 @@ void* mgmtCreateChildTable(SCMCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t
   char *pTagData = (char *) pCreate->schema;  // it is a tag key
   SSuperTableObj *pSuperTable = mgmtGetSuperTable(pTagData);
   if (pSuperTable == NULL) {
-    mError("table:%s, corresponding super table does not exist", pCreate->tableId);
+    mError("ctable:%s, corresponding super table does not exist", pCreate->tableId);
     terrno = TSDB_CODE_INVALID_TABLE;
     return NULL;
   }
 
   SChildTableObj *pTable = (SChildTableObj *) calloc(sizeof(SChildTableObj), 1);
   if (pTable == NULL) {
-    mError("table:%s, failed to alloc memory", pCreate->tableId);
+    mError("ctable:%s, failed to alloc memory", pCreate->tableId);
     terrno = TSDB_CODE_SERV_OUT_OF_MEMORY;
     return NULL;
   }
@@ -345,25 +345,25 @@ void* mgmtCreateChildTable(SCMCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t
 
   if (sdbInsertRow(tsChildTableSdb, pTable, 0) < 0) {
     free(pTable);
-    mError("table:%s, update sdb error", pCreate->tableId);
+    mError("ctable:%s, update sdb error", pCreate->tableId);
     terrno = TSDB_CODE_SDB_ERROR;
     return NULL;
   }
 
-  mTrace("table:%s, create ctable in vgroup, uid:%" PRIu64 , pTable->tableId, pTable->uid);
+  mTrace("ctable:%s, create ctable in vgroup, uid:%" PRIu64 , pTable->tableId, pTable->uid);
   return pTable;
 }
 
 int32_t mgmtDropChildTable(SQueuedMsg *newMsg, SChildTableObj *pTable) {
   SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
   if (pVgroup == NULL) {
-    mError("table:%s, failed to drop child table, vgroup not exist", pTable->tableId);
+    mError("ctable:%s, failed to drop child table, vgroup not exist", pTable->tableId);
     return TSDB_CODE_OTHERS;
   }
 
   SMDDropTableMsg *pDrop = rpcMallocCont(sizeof(SMDDropTableMsg));
   if (pDrop == NULL) {
-    mError("table:%s, failed to drop child table, no enough memory", pTable->tableId);
+    mError("ctable:%s, failed to drop child table, no enough memory", pTable->tableId);
     return TSDB_CODE_SERV_OUT_OF_MEMORY;
   }
 
@@ -375,7 +375,7 @@ int32_t mgmtDropChildTable(SQueuedMsg *newMsg, SChildTableObj *pTable) {
 
   SRpcIpSet ipSet = mgmtGetIpSetFromVgroup(pVgroup);
 
-  mTrace("table:%s, send drop table msg", pDrop->tableId);
+  mTrace("ctable:%s, send drop table msg", pDrop->tableId);
   SRpcMsg rpcMsg = {
     .handle  = newMsg,
     .pCont   = pDrop,
@@ -395,6 +395,7 @@ void* mgmtGetChildTable(char *tableId) {
 }
 
 int32_t mgmtModifyChildTableTagValueByName(SChildTableObj *pTable, char *tagName, char *nContent) {
+// TODO: send message to dnode  
 //  int32_t col = mgmtFindSuperTableTagIndex(pTable->superTable, tagName);
 //  if (col < 0 || col > pTable->superTable->numOfTags) {
 //    return TSDB_CODE_APP_ERROR;
@@ -462,7 +463,7 @@ int32_t mgmtGetChildTableMeta(SDbObj *pDb, SChildTableObj *pTable, STableMeta *p
     if (usePublicIp) {
       pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
     } else {
-      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].privateIp;
     }
     pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
     pMeta->vpeerDesc[i].vgId = htonl(pVgroup->vgId);
diff --git a/src/mnode/src/mgmtDClient.c b/src/mnode/src/mgmtDClient.c
index 22884cc7d005c0d595d1bf0229c4e9b1e8f373b6..da11ad20811734d158aeaa12733ddae178402273 100644
--- a/src/mnode/src/mgmtDClient.c
+++ b/src/mnode/src/mgmtDClient.c
@@ -83,90 +83,3 @@ static void mgmtProcessRspFromDnode(SRpcMsg *rpcMsg) {
 
   rpcFreeCont(rpcMsg->pCont);
 }
-
-//static void mgmtProcessDropTableRsp(SRpcMsg *rpcMsg) {
-//  mTrace("drop table rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//static void mgmtProcessAlterTableRsp(SRpcMsg *rpcMsg) {
-//  mTrace("alter table rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//
-//static void mgmtProcessDropVnodeRsp(SRpcMsg *rpcMsg) {
-//  mTrace("drop vnode rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//static void mgmtProcessAlterVnodeRsp(SRpcMsg *rpcMsg) {
-//  mTrace("alter vnode rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//static void mgmtProcessDropStableRsp(SRpcMsg *rpcMsg) {
-//  mTrace("drop stable rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//static void mgmtProcessAlterStreamRsp(SRpcMsg *rpcMsg) {
-//  mTrace("alter stream rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-//static void mgmtProcessConfigDnodeRsp(SRpcMsg *rpcMsg) {
-//  mTrace("config dnode rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
-//}
-//
-
-
-//
-//void mgmtSendAlterStreamMsg(STableInfo *pTable, SRpcIpSet *ipSet, void *ahandle) {
-//  mTrace("table:%s, send alter stream msg, ahandle:%p", pTable->tableId, pTable->sid, ahandle);
-//}
-//
-//void mgmtSendDropVnodeMsg(int32_t vgId, int32_t vnode, SRpcIpSet *ipSet, void *ahandle) {
-//  mTrace("vnode:%d send free vnode msg, ahandle:%p", vnode, ahandle);
-//  SMDDropVnodeMsg *pDrop = rpcMallocCont(sizeof(SMDDropVnodeMsg));
-//  SRpcMsg rpcMsg = {
-//      .handle  = ahandle,
-//      .pCont   = pDrop,
-//      .contLen = pDrop ? sizeof(SMDDropVnodeMsg) : 0,
-//      .code    = 0,
-//      .msgType = TSDB_MSG_TYPE_MD_DROP_VNODE
-//  };
-//  rpcSendRequest(tsMgmtDClientRpc, ipSet, &rpcMsg);
-//}
-//
-
-////
-////int32_t mgmtCfgDynamicOptions(SDnodeObj *pDnode, char *msg) {
-////  char *option, *value;
-////  int32_t   olen, valen;
-////
-////  paGetToken(msg, &option, &olen);
-////  if (strncasecmp(option, "unremove", 8) == 0) {
-////    mgmtSetDnodeUnRemove(pDnode);
-////    return TSDB_CODE_SUCCESS;
-////  } else if (strncasecmp(option, "score", 5) == 0) {
-////    paGetToken(option + olen + 1, &value, &valen);
-////    if (valen > 0) {
-////      int32_t score = atoi(value);
-////      mTrace("dnode:%s, custom score set from:%d to:%d", taosIpStr(pDnode->privateIp), pDnode->customScore, score);
-////      pDnode->customScore = score;
-////      mgmtUpdateDnode(pDnode);
-////      //mgmtStartBalanceTimer(15);
-////    }
-////    return TSDB_CODE_INVALID_SQL;
-////  } else if (strncasecmp(option, "bandwidth", 9) == 0) {
-////    paGetToken(msg, &value, &valen);
-////    if (valen > 0) {
-////      int32_t bandwidthMb = atoi(value);
-////      if (bandwidthMb >= 0 && bandwidthMb < 10000000) {
-////        mTrace("dnode:%s, bandwidth(Mb) set from:%d to:%d", taosIpStr(pDnode->privateIp), pDnode->bandwidthMb, bandwidthMb);
-////        pDnode->bandwidthMb = bandwidthMb;
-////        mgmtUpdateDnode(pDnode);
-////        return TSDB_CODE_SUCCESS;
-////      }
-////    }
-////    return TSDB_CODE_INVALID_SQL;
-////  }
-////
-////  return -1;
-////}
-////
diff --git a/src/mnode/src/mgmtDServer.c b/src/mnode/src/mgmtDServer.c
index ce7ac8cb39dc5a6ac41fd7174dd5c1b9ec3cf4c1..177a45764ccd773a3ceb549fd0dccb624c4257c3 100644
--- a/src/mnode/src/mgmtDServer.c
+++ b/src/mnode/src/mgmtDServer.c
@@ -85,218 +85,3 @@ static void mgmtProcessMsgFromDnode(SRpcMsg *rpcMsg) {
 static int mgmtDServerRetrieveAuth(char *user, char *spi, char *encrypt, char *secret, char *ckey) {
   return TSDB_CODE_SUCCESS;
 }
-
-//
-//
-//static void mgmtProcessTableCfgMsg(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle) {
-//  SDMConfigTableMsg *pCfg = (SDMConfigTableMsg *) pCont;
-//  pCfg->dnode = htonl(pCfg->dnode);
-//  pCfg->vnode = htonl(pCfg->vnode);
-//  pCfg->sid   = htonl(pCfg->sid);
-//  mTrace("dnode:%s, vnode:%d, sid:%d, receive table config msg", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
-//
-//  if (!sdbMaster) {
-//    mError("dnode:%s, vnode:%d, sid:%d, not master, redirect it", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
-//    mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_REDIRECT, NULL, 0);
-//    return;
-//  }
-//
-//  STableInfo *pTable = mgmtGetTableByPos(pCfg->dnode, pCfg->vnode, pCfg->sid);
-//  if (pTable == NULL) {
-//    mError("dnode:%s, vnode:%d, sid:%d, table not found", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
-//    mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_INVALID_TABLE, NULL, 0);
-//    return;
-//  }
-//
-//  mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_SUCCESS, NULL, 0);
-//
-//  //TODO
-//  SRpcIpSet ipSet = mgmtGetIpSetFromIp(pCfg->dnode);
-//  mgmtSendCreateTableMsg(NULL, &ipSet, NULL);
-//}
-//
-//static void mgmtProcessVnodeCfgMsg(int8_t msgType, int8_t *pCont, int32_t contLen, void *pConn) {
-//  if (!sdbMaster) {
-//    mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_REDIRECT, NULL, 0);
-//    return;
-//  }
-//
-//  SDMConfigVnodeMsg *pCfg = (SDMConfigVnodeMsg *) pCont;
-//  pCfg->dnode = htonl(pCfg->dnode);
-//  pCfg->vnode = htonl(pCfg->vnode);
-//
-//  SVgObj *pVgroup = mgmtGetVgroupByVnode(pCfg->dnode, pCfg->vnode);
-//  if (pVgroup == NULL) {
-//    mTrace("dnode:%s, vnode:%d, no vgroup info", taosIpStr(pCfg->dnode), pCfg->vnode);
-//    mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_NOT_ACTIVE_VNODE, NULL, 0);
-//    return;
-//  }
-//
-//  mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_SUCCESS, NULL, 0);
-//
-//  SRpcIpSet ipSet = mgmtGetIpSetFromIp(pCfg->dnode);
-//  mgmtSendCreateVnodeMsg(pVgroup, pCfg->vnode, &ipSet, NULL);
-//}
-//
-//static void mgmtProcessCreateTableRsp(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle, int32_t code) {
-//  mTrace("create table rsp received, thandle:%p code:%d", thandle, code);
-//  if (thandle == NULL) return;
-//
-//  SProcessInfo *info = thandle;
-//  assert(info->type == TSDB_PROCESS_CREATE_TABLE || info->type == TSDB_PROCESS_CREATE_TABLE_GET_META);
-//  STableInfo *pTable = info->ahandle;
-//
-//  if (code != TSDB_CODE_SUCCESS) {
-//    mError("table:%s, failed to create in dnode, code:%d, set it dirty", pTable->tableId);
-//    mgmtSetTableDirty(pTable, true);
-//  } else {
-//    mTrace("table:%s, created in dnode", pTable->tableId);
-//    mgmtSetTableDirty(pTable, false);
-//  }
-//
-//  if (code != TSDB_CODE_SUCCESS) {
-//    SRpcMsg rpcMsg = {0};
-//    rpcMsg.code = code;
-//    rpcMsg.handle = info->thandle;
-//    rpcSendResponse(&rpcMsg);
-//  } else {
-//    if (info->type == TSDB_PROCESS_CREATE_TABLE_GET_META) {
-//      mTrace("table:%s, start to process get meta", pTable->tableId);
-//      mgmtProcessGetTableMeta(pTable, thandle);
-//    } else {
-//      SRpcMsg rpcMsg = {0};
-//      rpcMsg.code = code;
-//      rpcMsg.handle = info->thandle;
-//      rpcSendResponse(&rpcMsg);
-//    }
-//  }
-//
-//  free(info);
-//}
-//
-
-//static void mgmtProcessRemoveTableRsp(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle, int32_t code) {
-//  mTrace("remove table rsp received, thandle:%p code:%d", thandle, code);
-//}
-//
-
-//
-//static void mgmtProcessDropVnodeRsp(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle, int32_t code) {
-//  mTrace("free vnode rsp received, thandle:%p code:%d", thandle, code);
-//}
-//
-//static void mgmtProcessDropStableRsp(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle, int32_t code) {
-//  mTrace("drop stable rsp received, thandle:%p code:%d", thandle, code);
-//}
-//
-//static void mgmtProcessCreateVnodeRsp(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle, int32_t code) {
-//  mTrace("create vnode rsp received, thandle:%p code:%d", thandle, code);
-//  if (thandle == NULL) return;
-//
-//  SProcessInfo *info = thandle;
-//  assert(info->type == TSDB_PROCESS_CREATE_VGROUP || info->type == TSDB_PROCESS_CREATE_VGROUP_GET_META);
-//  info->received++;
-//  SVgObj *pVgroup = info->ahandle;
-//
-//  bool isGetMeta = false;
-//  if (info->type == TSDB_PROCESS_CREATE_VGROUP_GET_META) {
-//    isGetMeta = true;
-//  }
-//
-//  mTrace("vgroup:%d, received:%d numOfVnodes:%d", pVgroup->vgId, info->received, pVgroup->numOfVnodes);
-//  if (info->received == pVgroup->numOfVnodes) {
-//    mgmtProcessCreateTable(pVgroup, info->cont, info->contLen, info->thandle, isGetMeta);
-//    free(info);
-//  }
-//}
-//
-//void mgmtProcessMsgFromDnode(char msgType, void *pCont, int32_t contLen, void *pConn, int32_t code) {
-//  if (msgType < 0 || msgType >= TSDB_MSG_TYPE_MAX) {
-//    mError("invalid msg type:%d", msgType);
-//    return;
-//  }
-//
-//  mTrace("msg:%d:%s is received from dnode, pConn:%p", msgType, taosMsg[(int8_t)msgType], pConn);
-//
-//  if (msgType == TSDB_MSG_TYPE_DM_CONFIG_TABLE) {
-//    mgmtProcessTableCfgMsg(msgType, pCont, contLen, pConn);
-//  } else if (msgType == TSDB_MSG_TYPE_DM_CONFIG_VNODE) {
-//    mgmtProcessVnodeCfgMsg(msgType, pCont, contLen, pConn);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_CREATE_TABLE_RSP) {
-//    mgmtProcessCreateTableRsp(msgType, pCont, contLen, pConn, code);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_DROP_TABLE_RSP) {
-//    mgmtProcessRemoveTableRsp(msgType, pCont, contLen, pConn, code);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_CREATE_VNODE_RSP) {
-//    mgmtProcessCreateVnodeRsp(msgType, pCont, contLen, pConn, code);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_DROP_VNODE_RSP) {
-//    mgmtProcessDropVnodeRsp(msgType, pCont, contLen, pConn, code);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_DROP_STABLE) {
-//    mgmtProcessDropStableRsp(msgType, pCont, contLen, pConn, code);
-//  } else if (msgType == TSDB_MSG_TYPE_MD_CONFIG_DNODE_RSP) {
-//  } else if (msgType == TSDB_MSG_TYPE_CM_ALTER_STREAM_RSP) {
-//  } else if (msgType == TSDB_MSG_TYPE_DM_STATUS) {
-//    mgmtProcessDnodeStatus(msgType, pCont, contLen, pConn, code);
-//  }  else {
-//    mError("%s from dnode is not processed", taosMsg[(int8_t)msgType]);
-//  }
-//
-//  //rpcFreeCont(pCont);
-//}
-//
-//void mgmtSendAlterStreamMsg(STableInfo *pTable, SRpcIpSet *ipSet, void *ahandle) {
-//  mTrace("table:%s, sid:%d send alter stream msg, ahandle:%p", pTable->tableId, pTable->sid, ahandle);
-//}
-//
-//void mgmtSendDropVnodeMsg(int32_t vnode, SRpcIpSet *ipSet, void *ahandle) {
-//  mTrace("vnode:%d send free vnode msg, ahandle:%p", vnode, ahandle);
-//
-//  SMDDropVnodeMsg *pFreeVnode = rpcMallocCont(sizeof(SMDDropVnodeMsg));
-//  if (pFreeVnode != NULL) {
-//    pFreeVnode->vnode = htonl(vnode);
-//    mgmtSendMsgToDnode(ipSet, TSDB_MSG_TYPE_MD_DROP_VNODE, pFreeVnode, sizeof(SMDDropVnodeMsg), ahandle);
-//  }
-//}
-//
-
-//int32_t mgmtCfgDynamicOptions(SDnodeObj *pDnode, char *msg) {
-//  char *option, *value;
-//  int32_t   olen, valen;
-//
-//  paGetToken(msg, &option, &olen);
-//  if (strncasecmp(option, "unremove", 8) == 0) {
-//    mgmtSetDnodeUnRemove(pDnode);
-//    return TSDB_CODE_SUCCESS;
-//  } else if (strncasecmp(option, "score", 5) == 0) {
-//    paGetToken(option + olen + 1, &value, &valen);
-//    if (valen > 0) {
-//      int32_t score = atoi(value);
-//      mTrace("dnode:%s, custom score set from:%d to:%d", taosIpStr(pDnode->privateIp), pDnode->customScore, score);
-//      pDnode->customScore = score;
-//      mgmtUpdateDnode(pDnode);
-//      //mgmtStartBalanceTimer(15);
-//    }
-//    return TSDB_CODE_INVALID_SQL;
-//  } else if (strncasecmp(option, "bandwidth", 9) == 0) {
-//    paGetToken(msg, &value, &valen);
-//    if (valen > 0) {
-//      int32_t bandwidthMb = atoi(value);
-//      if (bandwidthMb >= 0 && bandwidthMb < 10000000) {
-//        mTrace("dnode:%s, bandwidth(Mb) set from:%d to:%d", taosIpStr(pDnode->privateIp), pDnode->bandwidthMb, bandwidthMb);
-//        pDnode->bandwidthMb = bandwidthMb;
-//        mgmtUpdateDnode(pDnode);
-//        return TSDB_CODE_SUCCESS;
-//      }
-//    }
-//    return TSDB_CODE_INVALID_SQL;
-//  }
-//
-//  return -1;
-//}
-//
-//
-//void mgmtCleanUpDnodeInt() {
-//  if (mgmtCleanUpDnodeIntFp) {
-//    mgmtCleanUpDnodeIntFp();
-//  }
-//}
-//
\ No newline at end of file
diff --git a/src/mnode/src/mgmtDb.c b/src/mnode/src/mgmtDb.c
index 10a60cf927be2c291b544e40ca5d0732e891ca53..caf84737b0c149459ca5a397061e4513dfc34c9c 100644
--- a/src/mnode/src/mgmtDb.c
+++ b/src/mnode/src/mgmtDb.c
@@ -34,7 +34,7 @@
 #include "mgmtUser.h"
 #include "mgmtVgroup.h"
 
-static void *tsDbSdb = NULL;
+static void   *tsDbSdb = NULL;
 static int32_t tsDbUpdateSize;
 
 static int32_t mgmtCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate);
@@ -679,7 +679,7 @@ static int32_t mgmtRetrieveDbs(SShowObj *pShow, char *data, int32_t rows, void *
     cols++;
 
     pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-    strcpy(pWrite, pDb->dropStatus != TSDB_DB_STATUS_READY ? "dropping" : "ready");
+    strcpy(pWrite, pDb->dirty != TSDB_DB_STATUS_READY ? "dropping" : "ready");
     cols++;
 
     numOfRows++;
diff --git a/src/mnode/src/mgmtDnode.c b/src/mnode/src/mgmtDnode.c
index 19ee53af0c5bd128dc49259408a661c863859a91..37106323e9bc0accf184b7f543313b93e4840bbc 100644
--- a/src/mnode/src/mgmtDnode.c
+++ b/src/mnode/src/mgmtDnode.c
@@ -51,75 +51,22 @@ static void    mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg);
 
 void mgmtSetDnodeMaxVnodes(SDnodeObj *pDnode) {
   int32_t maxVnodes = pDnode->numOfCores * tsNumOfVnodesPerCore;
+
   maxVnodes = maxVnodes > TSDB_MAX_VNODES ? TSDB_MAX_VNODES : maxVnodes;
   maxVnodes = maxVnodes < TSDB_MIN_VNODES ? TSDB_MIN_VNODES : maxVnodes;
-  if (pDnode->numOfTotalVnodes != 0) {
-    maxVnodes = pDnode->numOfTotalVnodes;
+  
+  if (pDnode->numOfTotalVnodes == 0) {
+    pDnode->numOfTotalVnodes = maxVnodes;
   }
+
   if (pDnode->alternativeRole == TSDB_DNODE_ROLE_MGMT) {
-    maxVnodes = 0;
+    pDnode->numOfTotalVnodes = 0;
   }
 
-  pDnode->numOfVnodes = maxVnodes;
-  pDnode->numOfFreeVnodes = maxVnodes;
   pDnode->openVnodes = 0;
   pDnode->status = TSDB_DN_STATUS_OFFLINE;
 }
 
-void mgmtCalcNumOfFreeVnodes(SDnodeObj *pDnode) {
-  int32_t totalVnodes = 0;
-
-  mTrace("dnode:%s, begin calc free vnodes", taosIpStr(pDnode->privateIp));
-  for (int32_t i = 0; i < pDnode->numOfVnodes; ++i) {
-    SVnodeLoad *pVload = pDnode->vload + i;
-    if (pVload->vgId != 0) {
-      mTrace("dnode:%d, calc free vnodes, vnode:%d, status:%d %s, syncstatus:%d %s",
-             pDnode->dnodeId, pVload->vgId,
-             pVload->status, taosGetVnodeStatusStr(pVload->status),
-             pVload->syncStatus, taosGetVnodeSyncStatusStr(pVload->syncStatus));
-      totalVnodes++;
-    }
-  }
-
-  pDnode->numOfFreeVnodes = pDnode->numOfVnodes - totalVnodes;
-  mTrace("dnode:%s, numOfVnodes:%d, numOfFreeVnodes:%d, totalVnodes:%d",
-          taosIpStr(pDnode->privateIp), pDnode->numOfVnodes, pDnode->numOfFreeVnodes, totalVnodes);
-}
-
-void mgmtSetDnodeVgid(SVnodeGid vnodeGid[], int32_t numOfVnodes, int32_t vgId) {
-  SDnodeObj *pDnode;
-
-  for (int32_t i = 0; i < numOfVnodes; ++i) {
-    pDnode = mgmtGetDnode(vnodeGid[i].ip);
-    if (pDnode) {
-      SVnodeLoad *pVload = pDnode->vload + vnodeGid[i].vnode;
-      memset(pVload, 0, sizeof(SVnodeLoad));
-      //pVload->vnode = vnodeGid[i].vnode;
-      pVload->vgId = vgId;
-      mTrace("dnode:%s, vnode:%d add to vgroup:%d", taosIpStr(pDnode->privateIp), vnodeGid[i].vnode, pVload->vgId);
-      mgmtCalcNumOfFreeVnodes(pDnode);
-    } else {
-      mError("dnode:%s, not in dnode DB!!!", taosIpStr(vnodeGid[i].ip));
-    }
-  }
-}
-
-void mgmtUnSetDnodeVgid(SVnodeGid vnodeGid[], int32_t numOfVnodes) {
-  SDnodeObj *pDnode;
-
-  for (int32_t i = 0; i < numOfVnodes; ++i) {
-    pDnode = mgmtGetDnode(vnodeGid[i].ip);
-    if (pDnode) {
-      SVnodeLoad *pVload = pDnode->vload + vnodeGid[i].vnode;
-      mTrace("dnode:%s, vnode:%d remove from vgroup:%d", taosIpStr(vnodeGid[i].ip), vnodeGid[i].vnode, pVload->vgId);
-      memset(pVload, 0, sizeof(SVnodeLoad));
-      mgmtCalcNumOfFreeVnodes(pDnode);
-    } else {
-      mError("dnode:%s not in dnode DB!!!", taosIpStr(vnodeGid[i].ip));
-    }
-  }
-}
-
 bool mgmtCheckModuleInDnode(SDnodeObj *pDnode, int32_t moduleType) {
   uint32_t status = pDnode->moduleStatus & (1 << moduleType);
   return status > 0;
@@ -338,11 +285,10 @@ static int32_t mgmtGetVnodeMeta(STableMeta *pMeta, SShowObj *pShow, void *pConn)
   pShow->offset[0] = 0;
   for (int32_t i = 1; i < cols; ++i) pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
 
-  // TODO: if other thread drop dnode ????
   SDnodeObj *pDnode = NULL;
   if (pShow->payloadLen > 0 ) {
     uint32_t ip = ip2uint(pShow->payload);
-    pDnode = mgmtGetDnode(ip);
+    pDnode = mgmtGetDnodeByIp(ip);
     if (NULL == pDnode) {
       return TSDB_CODE_NODE_OFFLINE;
     }
@@ -434,15 +380,14 @@ int32_t mgmtInitDnodes() {
     return mgmtInitDnodesFp();
   } else {
     tsDnodeObj.dnodeId          = 1;
-    tsDnodeObj.privateIp        = inet_addr(tsPrivateIp);;
+    tsDnodeObj.privateIp        = inet_addr(tsPrivateIp);
+    tsDnodeObj.publicIp         = inet_addr(tsPublicIp);
     tsDnodeObj.createdTime      = taosGetTimestampMs();
-    tsDnodeObj.lastReboot       = taosGetTimestampSec();
+    tsDnodeObj.numOfTotalVnodes = tsNumOfTotalVnodes;
     tsDnodeObj.numOfCores       = (uint16_t) tsNumOfCores;
-    tsDnodeObj.status           = TSDB_DN_STATUS_READY;
     tsDnodeObj.alternativeRole  = TSDB_DNODE_ROLE_ANY;
-    tsDnodeObj.numOfTotalVnodes = tsNumOfTotalVnodes;
-    tsDnodeObj.thandle          = (void *) (1);  //hack way
-    tsDnodeObj.status           = TSDB_DN_STATUS_READY;
+    tsDnodeObj.status           = TSDB_DN_STATUS_OFFLINE;
+    tsDnodeObj.lastReboot       = taosGetTimestampSec();
     mgmtSetDnodeMaxVnodes(&tsDnodeObj);
 
     tsDnodeObj.moduleStatus |= (1 << TSDB_MOD_MGMT);
@@ -458,31 +403,30 @@ int32_t mgmtInitDnodes() {
 
 void mgmtCleanUpDnodes() {
   if (mgmtCleanUpDnodesFp) {
-    mgmtCleanUpDnodesFp();
+    (*mgmtCleanUpDnodesFp)();
   }
 }
 
-SDnodeObj *mgmtGetDnode(uint32_t ip) {
+SDnodeObj *mgmtGetDnode(int32_t dnodeId) {
   if (mgmtGetDnodeFp) {
-    return mgmtGetDnodeFp(ip);
-  } else {
+    return (*mgmtGetDnodeFp)(dnodeId);
+  } 
+  if (dnodeId == 1) {
     return &tsDnodeObj;
   }
+  return NULL;
 }
 
-SDnodeObj *mgmtGetDnodeByIp(int32_t dnodeId) {
+SDnodeObj *mgmtGetDnodeByIp(uint32_t ip) {
   if (mgmtGetDnodeByIpFp) {
-    return mgmtGetDnodeByIpFp(dnodeId);
+    return (*mgmtGetDnodeByIpFp)(ip);
   } 
-  if (dnodeId != 0) {
-    return &tsDnodeObj;
-  }
-  return NULL;
+  return &tsDnodeObj;
 }
 
 int32_t mgmtGetDnodesNum() {
   if (mgmtGetDnodesNumFp) {
-    return mgmtGetDnodesNumFp();
+    return (*mgmtGetDnodesNumFp)();
   } else {
     return 1;
   }
@@ -490,7 +434,7 @@ int32_t mgmtGetDnodesNum() {
 
 int32_t mgmtUpdateDnode(SDnodeObj *pDnode) {
   if (mgmtUpdateDnodeFp) {
-    return mgmtUpdateDnodeFp(pDnode);
+    return (*mgmtUpdateDnodeFp)(pDnode);
   } else {
     return 0;
   }
@@ -498,7 +442,7 @@ int32_t mgmtUpdateDnode(SDnodeObj *pDnode) {
 
 void *mgmtGetNextDnode(SShowObj *pShow, SDnodeObj **pDnode) {
   if (mgmtGetNextDnodeFp) {
-    return mgmtGetNextDnodeFp(pShow, pDnode);
+    return (*mgmtGetNextDnodeFp)(pShow, pDnode);
   } else {
     if (*pDnode == NULL) {
       *pDnode = &tsDnodeObj;
@@ -512,14 +456,12 @@ void *mgmtGetNextDnode(SShowObj *pShow, SDnodeObj **pDnode) {
 
 void mgmtSetDnodeUnRemove(SDnodeObj *pDnode) {
   if (mgmtSetDnodeUnRemoveFp) {
-    mgmtSetDnodeUnRemoveFp(pDnode);
+    (*mgmtSetDnodeUnRemoveFp)(pDnode);
   }
 }
 
 bool mgmtCheckConfigShow(SGlobalConfig *cfg) {
-  if (cfg->cfgType & TSDB_CFG_CTYPE_B_CLUSTER)
-    return false;
-  if (cfg->cfgType & TSDB_CFG_CTYPE_B_NOT_PRINT)
+  if (!(cfg->cfgType & TSDB_CFG_CTYPE_B_SHOW))
     return false;
   return true;
 }
@@ -583,7 +525,7 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
   if (pStatus->dnodeId == 0) {
     pDnode = mgmtGetDnodeByIp(pStatus->privateIp);
     if (pDnode == NULL) {
-      mTrace("dnode not created in cluster, privateIp:%s, name:%s, ", taosIpStr(htonl(pStatus->dnodeId)), pStatus->dnodeName);
+      mTrace("dnode not created, privateIp:%s, name:%s, ", taosIpStr(htonl(pStatus->dnodeId)), pStatus->dnodeName);
       mgmtSendSimpleResp(rpcMsg->handle, TSDB_CODE_DNODE_NOT_EXIST);
       return;
     }
@@ -603,7 +545,6 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
   pDnode->publicIp         = htonl(pStatus->publicIp);
   pDnode->lastReboot       = htonl(pStatus->lastReboot);
   pDnode->numOfTotalVnodes = htons(pStatus->numOfTotalVnodes);
-  pDnode->openVnodes       = htons(pStatus->openVnodes);
   pDnode->numOfCores       = htons(pStatus->numOfCores);
   pDnode->diskAvailable    = pStatus->diskAvailable;
   pDnode->alternativeRole  = pStatus->alternativeRole;
@@ -619,48 +560,21 @@ void mgmtProcessDnodeStatusMsg(SRpcMsg *rpcMsg) {
     //mgmtUpdateMnodeIp();
   }
 
-  for (int32_t j = 0; j < pDnode->openVnodes; ++j) {
-    pStatus->load[j].vgId          = htonl(pStatus->load[j].vgId);
-    pStatus->load[j].totalStorage  = htobe64(pStatus->load[j].totalStorage);
-    pStatus->load[j].compStorage   = htobe64(pStatus->load[j].compStorage);
-    pStatus->load[j].pointsWritten = htobe64(pStatus->load[j].pointsWritten);
+  int32_t openVnodes = htons(pStatus->openVnodes);
+  for (int32_t j = 0; j < openVnodes; ++j) {
+    pDnode->vload[j].vgId          = htonl(pStatus->load[j].vgId);
+    pDnode->vload[j].totalStorage  = htobe64(pStatus->load[j].totalStorage);
+    pDnode->vload[j].compStorage   = htobe64(pStatus->load[j].compStorage);
+    pDnode->vload[j].pointsWritten = htobe64(pStatus->load[j].pointsWritten);
     
-    bool existInMnode = false;
-    for (int32_t vnode = 0; vnode < pDnode->numOfVnodes; ++vnode) {
-      SVnodeLoad *pVload = &(pDnode->vload[vnode]); 
-      if (pVload->vgId == pStatus->load[j].vgId) {
-        existInMnode = true;
-      }
-    }
-    
-    if (!existInMnode) {
+    SVgObj *pVgroup = mgmtGetVgroup(pStatus->load[j].vgId);
+    if (pVgroup == NULL) {
       SRpcIpSet ipSet = mgmtGetIpSetFromIp(pDnode->privateIp);
       mPrint("dnode:%d, vnode:%d not exist in mnode, drop it", pDnode->dnodeId, pStatus->load[j].vgId);
       mgmtSendDropVnodeMsg(pStatus->load[j].vgId, &ipSet, NULL);
     }
   }
 
-  for (int32_t vnode = 0; vnode < pDnode->numOfVnodes; ++vnode) {
-    SVnodeLoad *pVload = &(pDnode->vload[vnode]); 
-    
-    bool existInDnode = false;
-    for (int32_t j = 0; j < pDnode->openVnodes; ++j) {
-      if (htonl(pStatus->load[j].vgId) == pVload->vgId) {
-        existInDnode = true;
-        break;
-      }
-    }
-
-    if (!existInDnode) {
-      mPrint("dnode:%d, vnode:%d not exist in dnode, create it", pDnode->dnodeId, pVload->vgId);
-      SVgObj *pVgroup = mgmtGetVgroup(pVload->vgId);
-      if (pVgroup != NULL) {
-        SRpcIpSet ipSet = mgmtGetIpSetFromIp(pDnode->privateIp);
-        mgmtSendCreateVnodeMsg(pVgroup, &ipSet, NULL);
-      }
-    }
-  }
-
   if (pDnode->status != TSDB_DN_STATUS_READY) {
     mTrace("dnode:%d, from offline to online", pDnode->dnodeId);
     pDnode->status = TSDB_DN_STATUS_READY;
diff --git a/src/mnode/src/mgmtNormalTable.c b/src/mnode/src/mgmtNormalTable.c
index 799d123ac3cdce6cdde6dcc15480531da444463e..ca138bf42de4352ba4398a8b45bf9a2a0a4c39e7 100644
--- a/src/mnode/src/mgmtNormalTable.c
+++ b/src/mnode/src/mgmtNormalTable.c
@@ -540,7 +540,7 @@ int32_t mgmtGetNormalTableMeta(SDbObj *pDb, SNormalTableObj *pTable, STableMeta
     if (usePublicIp) {
       pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
     } else {
-      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].privateIp;
     }
     pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
     pMeta->vpeerDesc[i].vgId = htonl(pVgroup->vgId);
diff --git a/src/mnode/src/mgmtSuperTable.c b/src/mnode/src/mgmtSuperTable.c
index a4539f7b9f2b6200e7b4aecdaaa9113902f16743..b0d506980a3cd63e1fe54900920846ba86ca3921 100644
--- a/src/mnode/src/mgmtSuperTable.c
+++ b/src/mnode/src/mgmtSuperTable.c
@@ -65,8 +65,6 @@ static void mgmtSuperTableActionInit() {
   mgmtSuperTableActionFp[SDB_TYPE_DECODE]  = mgmtSuperTableActionDecode;
   mgmtSuperTableActionFp[SDB_TYPE_RESET]   = mgmtSuperTableActionReset;
   mgmtSuperTableActionFp[SDB_TYPE_DESTROY] = mgmtSuperTableActionDestroy;
-  mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_METRIC, mgmtGetShowSuperTableMeta);
-  mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_METRIC, mgmtRetrieveShowSuperTables);
 }
 
 void *mgmtSuperTableActionReset(void *row, char *str, int32_t size, int32_t *ssize) {
diff --git a/src/mnode/src/mgmtTable.c b/src/mnode/src/mgmtTable.c
index abf1d9162c216e7fe14b6081abc2c9bcbaaa3e65..6001c97a92296506708dcab874d8ad44fb7530b8 100644
--- a/src/mnode/src/mgmtTable.c
+++ b/src/mnode/src/mgmtTable.c
@@ -52,6 +52,8 @@ static void mgmtProcessMultiTableMetaMsg(SQueuedMsg *queueMsg);
 static void mgmtProcessSuperTableMetaMsg(SQueuedMsg *queueMsg);
 static void mgmtProcessCreateTableRsp(SRpcMsg *rpcMsg);
 static void mgmtProcessDropTableRsp(SRpcMsg *rpcMsg);
+static void mgmtProcessAlterTableRsp(SRpcMsg *rpcMsg);
+static void mgmtProcessDropStableRsp(SRpcMsg *rpcMsg);
 static int32_t mgmtGetShowTableMeta(STableMeta *pMeta, SShowObj *pShow, void *pConn);
 static int32_t mgmtRetrieveShowTables(SShowObj *pShow, char *data, int32_t rows, void *pConn);
 static void mgmtProcessGetTableMeta(STableInfo *pTable, void *thandle);
@@ -84,8 +86,8 @@ int32_t mgmtInitTables() {
   mgmtAddShellShowRetrieveHandle(TSDB_MGMT_TABLE_TABLE, mgmtRetrieveShowTables);
   mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_CREATE_TABLE_RSP, mgmtProcessCreateTableRsp);
   mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_DROP_TABLE_RSP, mgmtProcessDropTableRsp);
-  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_ALTER_TABLE_RSP, NULL);
-  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_DROP_STABLE_RSP, NULL);
+  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_ALTER_TABLE_RSP, mgmtProcessAlterTableRsp);
+  mgmtAddDClientRspHandle(TSDB_MSG_TYPE_MD_DROP_STABLE_RSP, mgmtProcessDropStableRsp);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -109,17 +111,15 @@ STableInfo* mgmtGetTable(char *tableId) {
   return NULL;
 }
 
-STableInfo* mgmtGetTableByPos(uint32_t dnodeIp, int32_t vnode, int32_t sid) {
-  SDnodeObj *pObj = mgmtGetDnode(dnodeIp);
-  if (pObj != NULL && vnode >= 0 && vnode < pObj->numOfVnodes) {
-    int32_t vgId = pObj->vload[vnode].vgId;
-    SVgObj *pVgroup = mgmtGetVgroup(vgId);
-    if (pVgroup) {
-      return pVgroup->tableList[sid];
-    }
+STableInfo* mgmtGetTableByPos(uint32_t dnodeId, int32_t vnode, int32_t sid) {
+  SDnodeObj *pObj = mgmtGetDnode(dnodeId);
+  SVgObj *pVgroup = mgmtGetVgroup(vnode);
+
+  if (pObj == NULL || pVgroup == NULL) {
+    return NULL;
   }
 
-  return NULL;
+  return pVgroup->tableList[sid];
 }
 
 int32_t mgmtGetTableMeta(SDbObj *pDb, STableInfo *pTable, STableMeta *pMeta, bool usePublicIp) {
@@ -587,7 +587,7 @@ void mgmtProcessAlterTableMsg(SQueuedMsg *pMsg) {
 void mgmtProcessGetTableMeta(STableInfo *pTable, void *thandle) {
   SRpcMsg rpcRsp = {.handle = thandle, .pCont = NULL, .contLen = 0, .code = 0, .msgType = 0};
   SDbObj* pDb = mgmtGetDbByTableId(pTable->tableId);
-  if (pDb == NULL || pDb->dropStatus != TSDB_DB_STATUS_READY) {
+  if (pDb == NULL || pDb->dirty) {
     mError("table:%s, failed to get table meta, db not selected", pTable->tableId);
     rpcRsp.code = TSDB_CODE_DB_NOT_SELECTED;
     rpcSendResponse(&rpcRsp);
@@ -783,6 +783,10 @@ static void mgmtProcessCreateTableRsp(SRpcMsg *rpcMsg) {
   free(queueMsg);
 }
 
+static void mgmtProcessAlterTableRsp(SRpcMsg *rpcMsg) {
+  mTrace("alter table rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
+}
+
 static void mgmtProcessDropTableRsp(SRpcMsg *rpcMsg) {
   if (rpcMsg->handle == NULL) return;
 
@@ -831,3 +835,37 @@ static void mgmtProcessDropTableRsp(SRpcMsg *rpcMsg) {
   mgmtSendSimpleResp(queueMsg->thandle, TSDB_CODE_SUCCESS);
   free(queueMsg);
 }
+
+static void mgmtProcessDropStableRsp(SRpcMsg *rpcMsg) {
+ mTrace("drop stable rsp received, handle:%p code:%d", rpcMsg->handle, rpcMsg->code);
+}
+
+//
+//
+//static void mgmtProcessTableCfgMsg(int8_t msgType, int8_t *pCont, int32_t contLen, void *thandle) {
+//  SDMConfigTableMsg *pCfg = (SDMConfigTableMsg *) pCont;
+//  pCfg->dnode = htonl(pCfg->dnode);
+//  pCfg->vnode = htonl(pCfg->vnode);
+//  pCfg->sid   = htonl(pCfg->sid);
+//  mTrace("dnode:%s, vnode:%d, sid:%d, receive table config msg", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
+//
+//  if (!sdbMaster) {
+//    mError("dnode:%s, vnode:%d, sid:%d, not master, redirect it", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
+//    mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_REDIRECT, NULL, 0);
+//    return;
+//  }
+//
+//  STableInfo *pTable = mgmtGetTableByPos(pCfg->dnode, pCfg->vnode, pCfg->sid);
+//  if (pTable == NULL) {
+//    mError("dnode:%s, vnode:%d, sid:%d, table not found", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
+//    mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_INVALID_TABLE, NULL, 0);
+//    return;
+//  }
+//
+//  mgmtSendRspToDnode(thandle, msgType + 1, TSDB_CODE_SUCCESS, NULL, 0);
+//
+//  //TODO
+//  SRpcIpSet ipSet = mgmtGetIpSetFromIp(pCfg->dnode);
+//  mgmtSendCreateTableMsg(NULL, &ipSet, NULL);
+//}
+//
\ No newline at end of file
diff --git a/src/mnode/src/mgmtVgroup.c b/src/mnode/src/mgmtVgroup.c
index 7faaed1d8097284f1176e0ac6813931c265b5e52..96854ab9c047f91932c1a2d7c6bba61593c14454 100644
--- a/src/mnode/src/mgmtVgroup.c
+++ b/src/mnode/src/mgmtVgroup.c
@@ -111,11 +111,11 @@ int32_t mgmtInitVgroups() {
 
     if (tsIsCluster && pVgroup->vnodeGid[0].publicIp == 0) {
       pVgroup->vnodeGid[0].publicIp = inet_addr(tsPublicIp);
-      pVgroup->vnodeGid[0].ip = inet_addr(tsPrivateIp);
+      pVgroup->vnodeGid[0].privateIp = inet_addr(tsPrivateIp);
       sdbUpdateRow(tsVgroupSdb, pVgroup, tsVgUpdateSize, 1);
     }
 
-    mgmtSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes, pVgroup->vgId);
+    // mgmtSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes, pVgroup->vgId);
   }
 
   mgmtAddShellShowMetaHandle(TSDB_MGMT_TABLE_VGROUP, mgmtGetVgroupMeta);
@@ -131,9 +131,6 @@ SVgObj *mgmtGetVgroup(int32_t vgId) {
   return (SVgObj *)sdbGetRow(tsVgroupSdb, &vgId);
 }
 
-/*
- * TODO: check if there is enough sids
- */
 SVgObj *mgmtGetAvailableVgroup(SDbObj *pDb) {
   return pDb->pHead;
 }
@@ -162,13 +159,13 @@ void mgmtCreateVgroup(SQueuedMsg *pMsg) {
   pVgroup->idPool      = taosInitIdPool(pDb->cfg.maxSessions);
 
   mgmtAddVgroupIntoDb(pDb, pVgroup);
-  mgmtSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes, pVgroup->vgId);
+  // mgmtSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes, pVgroup->vgId);
 
   sdbInsertRow(tsVgroupSdb, pVgroup, 0);
 
   mPrint("vgroup:%d, is created in mnode, db:%s replica:%d", pVgroup->vgId, pDb->name, pVgroup->numOfVnodes);
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    mPrint("vgroup:%d, dnode:%s vnode:%d", pVgroup->vgId, taosIpStr(pVgroup->vnodeGid[i].ip), pVgroup->vnodeGid[i].vnode);
+    mPrint("vgroup:%d, dnode:%d vnode:%d", pVgroup->vgId, taosIpStr(pVgroup->vnodeGid[i].dnodeId), pVgroup->vnodeGid[i].vnode);
   }
 
   pMsg->ahandle = pVgroup;
@@ -305,9 +302,9 @@ int32_t mgmtGetVgroupMeta(STableMeta *pMeta, SShowObj *pShow, void *pConn) {
 }
 
 char *mgmtGetVnodeStatus(SVgObj *pVgroup, SVnodeGid *pVnode) {
-  SDnodeObj *pDnode = mgmtGetDnode(pVnode->ip);
+  SDnodeObj *pDnode = mgmtGetDnode(pVnode->dnodeId);
   if (pDnode == NULL) {
-    mError("dnode:%s, vgroup:%d, vnode:%d dnode not exist", taosIpStr(pVnode->ip), pVgroup->vgId, pVnode->vnode);
+    mError("vgroup:%d, not exist in dnode:%d", pVgroup->vgId, pDnode->dnodeId);
     return "null";
   }
 
@@ -315,14 +312,13 @@ char *mgmtGetVnodeStatus(SVgObj *pVgroup, SVnodeGid *pVnode) {
     return "offline";
   }
 
-  SVnodeLoad *vload = pDnode->vload + pVnode->vnode;
-  if (vload->vgId != pVgroup->vgId) {
-    mError("dnode:%s, vgroup:%d, not same with dnode vgroup:%d",
-           taosIpStr(pVnode->ip), pVgroup->vgId, vload->vgId);
-    return "null";
+  for (int i = 0; i < pDnode->openVnodes; ++i) {
+    if (pDnode->vload[i].vgId == pVgroup->vgId) {
+       return (char*)taosGetVnodeStatusStr(pDnode->vload[i].status); 
+    }
   }
-
-  return (char*)taosGetVnodeStatusStr(vload->status);
+  
+  return "null";
 }
 
 int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
@@ -362,7 +358,7 @@ int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pCo
     cols++;
 
     for (int32_t i = 0; i < maxReplica; ++i) {
-      tinet_ntoa(ipstr, pVgroup->vnodeGid[i].ip);
+      tinet_ntoa(ipstr, pVgroup->vnodeGid[i].privateIp);
       pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
       strcpy(pWrite, ipstr);
       cols++;
@@ -372,7 +368,7 @@ int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pCo
       cols++;
 
       pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-      if (pVgroup->vnodeGid[i].ip != 0) {
+      if (pVgroup->vnodeGid[i].dnodeId != 0) {
         char *vnodeStatus = mgmtGetVnodeStatus(pVgroup, pVgroup->vnodeGid + i);
         strcpy(pWrite, vnodeStatus);
       } else {
@@ -394,6 +390,11 @@ int32_t mgmtRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, void *pCo
 }
 
 static void *mgmtVgroupActionInsert(void *row, char *str, int32_t size, int32_t *ssize) {
+  SVgObj *pVgroup = row;
+  for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
+    pVgroup->vnodeGid[i].vnode = pVgroup->vgId;
+  }
+
   return NULL;
 }
 
@@ -405,7 +406,7 @@ static void *mgmtVgroupActionDelete(void *row, char *str, int32_t size, int32_t
     mgmtRemoveVgroupFromDb(pDb, pVgroup);
   }
 
-  mgmtUnSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes);
+  // mgmtUnSetDnodeVgid(pVgroup->vnodeGid, pVgroup->numOfVnodes);
   tfree(pVgroup->tableList);
 
   return NULL;
@@ -515,7 +516,7 @@ SMDCreateVnodeMsg *mgmtBuildCreateVnodeMsg(SVgObj *pVgroup) {
   SVnodeDesc *vpeerDesc = pVnode->vpeerDesc;
   for (int32_t j = 0; j < pVgroup->numOfVnodes; ++j) {
     vpeerDesc[j].vgId  = htonl(pVgroup->vgId);
-    vpeerDesc[j].ip    = htonl(pVgroup->vnodeGid[j].ip);
+    vpeerDesc[j].ip    = htonl(pVgroup->vnodeGid[j].privateIp);
   }
 
   return pVnode;
@@ -542,7 +543,7 @@ SRpcIpSet mgmtGetIpSetFromVgroup(SVgObj *pVgroup) {
     .port = tsDnodeMnodePort
   };
   for (int i = 0; i < pVgroup->numOfVnodes; ++i) {
-    ipSet.ip[i] = pVgroup->vnodeGid[i].ip;
+    ipSet.ip[i] = pVgroup->vnodeGid[i].privateIp;
   }
   return ipSet;
 }
@@ -573,7 +574,7 @@ void mgmtSendCreateVnodeMsg(SVgObj *pVgroup, SRpcIpSet *ipSet, void *ahandle) {
 void mgmtSendCreateVgroupMsg(SVgObj *pVgroup, void *ahandle) {
   mTrace("vgroup:%d, send create all vnodes msg, ahandle:%p", pVgroup->vgId, ahandle);
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    SRpcIpSet ipSet = mgmtGetIpSetFromIp(pVgroup->vnodeGid[i].ip);
+    SRpcIpSet ipSet = mgmtGetIpSetFromIp(pVgroup->vnodeGid[i].privateIp);
     mgmtSendCreateVnodeMsg(pVgroup, &ipSet, ahandle);
   }
 }
@@ -637,7 +638,7 @@ void mgmtSendDropVnodeMsg(int32_t vgId, SRpcIpSet *ipSet, void *ahandle) {
 static void mgmtSendDropVgroupMsg(SVgObj *pVgroup, void *ahandle) {
   mTrace("vgroup:%d, send drop all vnodes msg, ahandle:%p", pVgroup->vgId, ahandle);
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    SRpcIpSet ipSet = mgmtGetIpSetFromIp(pVgroup->vnodeGid[i].ip);
+    SRpcIpSet ipSet = mgmtGetIpSetFromIp(pVgroup->vnodeGid[i].privateIp);
     mgmtSendDropVnodeMsg(pVgroup->vgId, &ipSet, ahandle);
   }
 }
@@ -686,12 +687,36 @@ void mgmtUpdateVgroupIp(SDnodeObj *pDnode) {
       SVnodeGid *vnodeGid = pVgroup->vnodeGid + i;
       if (vnodeGid->dnodeId == pDnode->dnodeId) {
         mPrint("vgroup:%d, dnode:%d, privateIp:%s change to %s, publicIp:%s change to %s", 
-               pVgroup->vgId, vnodeGid->dnodeId, pDnode->privateIp, taosIpStr(vnodeGid->ip),  
+               pVgroup->vgId, vnodeGid->dnodeId, pDnode->privateIp, taosIpStr(vnodeGid->privateIp),  
                pDnode->publicIp, taosIpStr(vnodeGid->publicIp));
         vnodeGid->publicIp = pDnode->publicIp;
-        vnodeGid->ip = pDnode->privateIp;
+        vnodeGid->privateIp = pDnode->privateIp;
         sdbUpdateRow(tsVgroupSdb, pVgroup, tsVgUpdateSize, 1);
       }
     }
   }
 }
+
+//static void mgmtProcessVnodeCfgMsg(int8_t msgType, int8_t *pCont, int32_t contLen, void *pConn) {
+//  if (!sdbMaster) {
+//    mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_REDIRECT, NULL, 0);
+//    return;
+//  }
+//
+//  SDMConfigVnodeMsg *pCfg = (SDMConfigVnodeMsg *) pCont;
+//  pCfg->dnode = htonl(pCfg->dnode);
+//  pCfg->vnode = htonl(pCfg->vnode);
+//
+//  SVgObj *pVgroup = mgmtGetVgroupByVnode(pCfg->dnode, pCfg->vnode);
+//  if (pVgroup == NULL) {
+//    mTrace("dnode:%s, vnode:%d, no vgroup info", taosIpStr(pCfg->dnode), pCfg->vnode);
+//    mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_NOT_ACTIVE_VNODE, NULL, 0);
+//    return;
+//  }
+//
+//  mgmtSendRspToDnode(pConn, msgType + 1, TSDB_CODE_SUCCESS, NULL, 0);
+//
+//  SRpcIpSet ipSet = mgmtGetIpSetFromIp(pCfg->dnode);
+//  mgmtSendCreateVnodeMsg(pVgroup, pCfg->vnode, &ipSet, NULL);
+//}
+//
\ No newline at end of file