diff --git a/include/dnode/mgmt/dnode.h b/include/dnode/mgmt/dnode.h
index f43fe107fe..fe9560d427 100644
--- a/include/dnode/mgmt/dnode.h
+++ b/include/dnode/mgmt/dnode.h
@@ -121,10 +121,10 @@ typedef struct {
 /**
  * @brief Initialize and start the dnode.
  *
- * @param pOptions Options of the dnode.
+ * @param pOption Option of the dnode.
  * @return SDnode* The dnode object.
  */
-SDnode *dndInit(SDnodeOpt *pOptions);
+SDnode *dndInit(SDnodeOpt *pOption);
 
 /**
  * @brief Stop and cleanup the dnode.
diff --git a/include/dnode/mnode/mnode.h b/include/dnode/mnode/mnode.h
index 725bdaec3c..824eb24191 100644
--- a/include/dnode/mnode/mnode.h
+++ b/include/dnode/mnode/mnode.h
@@ -53,17 +53,17 @@ typedef struct {
   SendMsgToDnodeFp  sendMsgToDnodeFp;
   SendMsgToMnodeFp  sendMsgToMnodeFp;
   SendRedirectMsgFp sendRedirectMsgFp;
-} SMnodeOptions;
+} SMnodeOpt;
 
 /* ------------------------ SMnode ------------------------ */
 /**
  * @brief Open a mnode.
  *
  * @param path Path of the mnode
- * @param pOptions Options of the mnode
+ * @param pOption Option of the mnode
  * @return SMnode* The mnode object
  */
-SMnode *mnodeOpen(const char *path, const SMnodeOptions *pOptions);
+SMnode *mnodeOpen(const char *path, const SMnodeOpt *pOption);
 
 /**
  * @brief Close a mnode
@@ -76,10 +76,10 @@ void mnodeClose(SMnode *pMnode);
  * @brief Close a mnode
  *
  * @param pMnode The mnode object to close
- * @param pOptions Options of the mnode
+ * @param pOption Options of the mnode
  * @return int32_t 0 for success, -1 for failure
  */
-int32_t mnodeAlter(SMnode *pMnode, const SMnodeOptions *pOptions);
+int32_t mnodeAlter(SMnode *pMnode, const SMnodeOpt *pOption);
 
 /**
  * @brief Drop a mnode.
diff --git a/source/dnode/mgmt/impl/src/dndMnode.c b/source/dnode/mgmt/impl/src/dndMnode.c
index 9b3435a49e..0a764af8dc 100644
--- a/source/dnode/mgmt/impl/src/dndMnode.c
+++ b/source/dnode/mgmt/impl/src/dndMnode.c
@@ -58,8 +58,8 @@ static void    dndReleaseMnode(SDnode *pDnode, SMnode *pMnode);
 static int32_t dndReadMnodeFile(SDnode *pDnode);
 static int32_t dndWriteMnodeFile(SDnode *pDnode);
 
-static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOptions *pOptions);
-static int32_t dndAlterMnode(SDnode *pDnode, SMnodeOptions *pOptions);
+static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOpt *pOption);
+static int32_t dndAlterMnode(SDnode *pDnode, SMnodeOpt *pOption);
 static int32_t dndDropMnode(SDnode *pDnode);
 
 static int32_t dndProcessCreateMnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg);
@@ -243,6 +243,7 @@ static bool dndNeedDeployMnode(SDnode *pDnode) {
   if (dndGetClusterId(pDnode) > 0) {
     return false;
   }
+
   if (strcmp(pDnode->opt.localEp, pDnode->opt.firstEp) != 0) {
     return false;
   }
@@ -250,43 +251,49 @@ static bool dndNeedDeployMnode(SDnode *pDnode) {
   return true;
 }
 
-static void dndInitMnodeOptions(SDnode *pDnode, SMnodeOptions *pOptions) {
-  pOptions->pDnode = pDnode;
-  pOptions->sendMsgToDnodeFp = dndSendMsgToDnode;
-  pOptions->sendMsgToMnodeFp = dndSendMsgToMnode;
-  pOptions->sendRedirectMsgFp = dndSendRedirectMsg;
-  pOptions->putMsgToApplyMsgFp = dndPutMsgIntoMnodeApplyQueue;
+static void dndInitMnodeOption(SDnode *pDnode, SMnodeOpt *pOption) {
+  pOption->pDnode = pDnode;
+  pOption->sendMsgToDnodeFp = dndSendMsgToDnode;
+  pOption->sendMsgToMnodeFp = dndSendMsgToMnode;
+  pOption->sendRedirectMsgFp = dndSendRedirectMsg;
+  pOption->putMsgToApplyMsgFp = dndPutMsgIntoMnodeApplyQueue;
+  pOption->dnodeId = dndGetDnodeId(pDnode);
+  pOption->clusterId = dndGetClusterId(pDnode);
 }
 
-static int32_t dndBuildMnodeOptions(SDnode *pDnode, SMnodeOptions *pOptions, SCreateMnodeMsg *pMsg) {
-  dndInitMnodeOptions(pDnode, pOptions);
+static void dndBuildMnodeDeployOption(SDnode *pDnode, SMnodeOpt *pOption) {
+  dndInitMnodeOption(pDnode, pOption);
+  pOption->replica = 1;
+  pOption->selfIndex = 0;
+  SReplica *pReplica = &pOption->replicas[0];
+  pReplica->id = 1;
+  pReplica->port = pDnode->opt.serverPort;
+  tstrncpy(pReplica->fqdn, pDnode->opt.localFqdn, TSDB_FQDN_LEN);
+}
 
-  if (pMsg == NULL) {
-    pOptions->dnodeId = 1;
-    pOptions->clusterId = 1234;
-    pOptions->replica = 1;
-    pOptions->selfIndex = 0;
-    SReplica *pReplica = &pOptions->replicas[0];
-    pReplica->id = 1;
-    pReplica->port = pDnode->opt.serverPort;
-    tstrncpy(pReplica->fqdn, pDnode->opt.localFqdn, TSDB_FQDN_LEN);
-  } else {
-    pOptions->dnodeId = dndGetDnodeId(pDnode);
-    pOptions->clusterId = dndGetClusterId(pDnode);
-    pOptions->selfIndex = -1;
-    pOptions->replica = pMsg->replica;
-    for (int32_t index = 0; index < pMsg->replica; ++index) {
-      SReplica *pReplica = &pOptions->replicas[index];
-      pReplica->id = pMsg->replicas[index].id;
-      pReplica->port = pMsg->replicas[index].port;
-      tstrncpy(pReplica->fqdn, pMsg->replicas[index].fqdn, TSDB_FQDN_LEN);
-      if (pReplica->id == pOptions->dnodeId) {
-        pOptions->selfIndex = index;
-      }
+static void dndBuildMnodeOpenOption(SDnode *pDnode, SMnodeOpt *pOption) {
+  dndInitMnodeOption(pDnode, pOption);
+  pOption->replica = 0;
+}
+
+static int32_t dndBuildMnodeOptionFromMsg(SDnode *pDnode, SMnodeOpt *pOption, SCreateMnodeMsg *pMsg) {
+  dndInitMnodeOption(pDnode, pOption);
+  pOption->dnodeId = dndGetDnodeId(pDnode);
+  pOption->clusterId = dndGetClusterId(pDnode);
+
+  pOption->replica = pMsg->replica;
+  pOption->selfIndex = -1;
+  for (int32_t index = 0; index < pMsg->replica; ++index) {
+    SReplica *pReplica = &pOption->replicas[index];
+    pReplica->id = pMsg->replicas[index].id;
+    pReplica->port = pMsg->replicas[index].port;
+    tstrncpy(pReplica->fqdn, pMsg->replicas[index].fqdn, TSDB_FQDN_LEN);
+    if (pReplica->id == pOption->dnodeId) {
+      pOption->selfIndex = index;
     }
   }
 
-  if (pOptions->selfIndex == -1) {
+  if (pOption->selfIndex == -1) {
     terrno = TSDB_CODE_DND_MNODE_ID_NOT_FOUND;
     dError("failed to build mnode options since %s", terrstr());
     return -1;
@@ -295,7 +302,7 @@ static int32_t dndBuildMnodeOptions(SDnode *pDnode, SMnodeOptions *pOptions, SCr
   return 0;
 }
 
-static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOptions *pOptions) {
+static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOpt *pOption) {
   SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   int32_t code = dndStartMnodeWorker(pDnode);
@@ -304,7 +311,7 @@ static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOptions *pOptions) {
     return code;
   }
 
-  SMnode *pMnode = mnodeOpen(pDnode->dir.mnode, pOptions);
+  SMnode *pMnode = mnodeOpen(pDnode->dir.mnode, pOption);
   if (pMnode == NULL) {
     dError("failed to open mnode since %s", terrstr());
     code = terrno;
@@ -331,7 +338,7 @@ static int32_t dndOpenMnode(SDnode *pDnode, SMnodeOptions *pOptions) {
   return 0;
 }
 
-static int32_t dndAlterMnode(SDnode *pDnode, SMnodeOptions *pOptions) {
+static int32_t dndAlterMnode(SDnode *pDnode, SMnodeOpt *pOption) {
   SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SMnode *pMnode = dndAcquireMnode(pDnode);
@@ -340,7 +347,7 @@ static int32_t dndAlterMnode(SDnode *pDnode, SMnodeOptions *pOptions) {
     return -1;
   }
 
-  if (mnodeAlter(pMnode, pOptions) != 0) {
+  if (mnodeAlter(pMnode, pOption) != 0) {
     dError("failed to alter mnode since %s", terrstr());
     dndReleaseMnode(pDnode, pMnode);
     return -1;
@@ -399,8 +406,8 @@ static int32_t dndProcessCreateMnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
     terrno = TSDB_CODE_DND_MNODE_ID_INVALID;
     return -1;
   } else {
-    SMnodeOptions option = {0};
-    if (dndBuildMnodeOptions(pDnode, &option, pMsg) != 0) {
+    SMnodeOpt option = {0};
+    if (dndBuildMnodeOptionFromMsg(pDnode, &option, pMsg) != 0) {
       return -1;
     }
     return dndOpenMnode(pDnode, &option);
@@ -414,8 +421,8 @@ static int32_t dndProcessAlterMnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
     terrno = TSDB_CODE_DND_MNODE_ID_INVALID;
     return -1;
   } else {
-    SMnodeOptions option = {0};
-    if (dndBuildMnodeOptions(pDnode, &option, pMsg) != 0) {
+    SMnodeOpt option = {0};
+    if (dndBuildMnodeOptionFromMsg(pDnode, &option, pMsg) != 0) {
       return -1;
     }
     return dndAlterMnode(pDnode, &option);
@@ -625,7 +632,6 @@ static int32_t dndInitMnodeMgmtWorker(SDnode *pDnode) {
 
 static void dndCleanupMnodeMgmtWorker(SDnode *pDnode) {
   SMnodeMgmt *pMgmt = &pDnode->mmgmt;
-  ;
   tWorkerCleanup(&pMgmt->mgmtPool);
 }
 
@@ -737,7 +743,12 @@ static int32_t dndInitMnodeSyncWorker(SDnode *pDnode) {
   pPool->name = "mnode-sync";
   pPool->min = 0;
   pPool->max = 1;
-  return tWorkerInit(pPool);
+  if (tWorkerInit(pPool) != 0) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  return 0;
 }
 
 static void dndCleanupMnodeSyncWorker(SDnode *pDnode) {
@@ -781,13 +792,15 @@ int32_t dndInitMnode(SDnode *pDnode) {
     }
 
     dInfo("start to deploy mnode");
+    SMnodeOpt option = {0};
+    dndBuildMnodeDeployOption(pDnode, &option);
+    return dndOpenMnode(pDnode, &option);
   } else {
     dInfo("start to open mnode");
+    SMnodeOpt option = {0};
+    dndBuildMnodeOpenOption(pDnode, &option);
+    return dndOpenMnode(pDnode, &option);
   }
-
-  SMnodeOptions option = {0};
-  dndInitMnodeOptions(pDnode, &option);
-  return dndOpenMnode(pDnode, &option);
 }
 
 void dndCleanupMnode(SDnode *pDnode) {
diff --git a/source/dnode/mgmt/impl/src/dndVnodes.c b/source/dnode/mgmt/impl/src/dndVnodes.c
index ac3e55ffa7..fd66695e32 100644
--- a/source/dnode/mgmt/impl/src/dndVnodes.c
+++ b/source/dnode/mgmt/impl/src/dndVnodes.c
@@ -239,7 +239,7 @@ static int32_t dndGetVnodesFromFile(SDnode *pDnode, SVnodeObj **ppVnodes, int32_
   snprintf(file, PATH_MAX + 20, "%s/vnodes.json", pDnode->dir.vnodes);
 
   fp = fopen(file, "r");
-  if (!fp) {
+  if (fp == NULL) {
     dDebug("file %s not exist", file);
     code = 0;
     goto PRASE_VNODE_OVER;
diff --git a/source/dnode/mgmt/impl/src/dnode.c b/source/dnode/mgmt/impl/src/dnode.c
index aa0070cfa9..8d72f83200 100644
--- a/source/dnode/mgmt/impl/src/dnode.c
+++ b/source/dnode/mgmt/impl/src/dnode.c
@@ -77,19 +77,19 @@ static int32_t dndCheckRunning(char *dataDir) {
   return 0;
 }
 
-static int32_t dndInitEnv(SDnode *pDnode, SDnodeOpt *pOptions) {
-  if (dndCheckRunning(pOptions->dataDir) != 0) {
+static int32_t dndInitEnv(SDnode *pDnode, SDnodeOpt *pOption) {
+  if (dndCheckRunning(pOption->dataDir) != 0) {
     return -1;
   }
 
   char path[PATH_MAX + 100];
-  snprintf(path, sizeof(path), "%s%smnode", pOptions->dataDir, TD_DIRSEP);
+  snprintf(path, sizeof(path), "%s%smnode", pOption->dataDir, TD_DIRSEP);
   pDnode->dir.mnode = tstrdup(path);
 
-  snprintf(path, sizeof(path), "%s%svnode", pOptions->dataDir, TD_DIRSEP);
+  snprintf(path, sizeof(path), "%s%svnode", pOption->dataDir, TD_DIRSEP);
   pDnode->dir.vnodes = tstrdup(path);
 
-  snprintf(path, sizeof(path), "%s%sdnode", pOptions->dataDir, TD_DIRSEP);
+  snprintf(path, sizeof(path), "%s%sdnode", pOption->dataDir, TD_DIRSEP);
   pDnode->dir.dnode = tstrdup(path);
 
   if (pDnode->dir.mnode == NULL || pDnode->dir.vnodes == NULL || pDnode->dir.dnode == NULL) {
@@ -116,7 +116,7 @@ static int32_t dndInitEnv(SDnode *pDnode, SDnodeOpt *pOptions) {
     return -1;
   }
 
-  memcpy(&pDnode->opt, pOptions, sizeof(SDnodeOpt));
+  memcpy(&pDnode->opt, pOption, sizeof(SDnodeOpt));
   return 0;
 }
 
@@ -136,7 +136,7 @@ static void dndCleanupEnv(SDnode *pDnode) {
   taosStopCacheRefreshWorker();
 }
 
-SDnode *dndInit(SDnodeOpt *pOptions) {
+SDnode *dndInit(SDnodeOpt *pOption) {
   taosIgnSIGPIPE();
   taosBlockSIGPIPE();
   taosResolveCRC();
@@ -151,7 +151,7 @@ SDnode *dndInit(SDnodeOpt *pOptions) {
   dInfo("start to initialize TDengine");
   dndSetStat(pDnode, DND_STAT_INIT);
 
-  if (dndInitEnv(pDnode, pOptions) != 0) {
+  if (dndInitEnv(pDnode, pOption) != 0) {
     dError("failed to init env");
     dndCleanup(pDnode);
     return NULL;
diff --git a/source/dnode/mnode/impl/inc/mnodeInt.h b/source/dnode/mnode/impl/inc/mnodeInt.h
index 43af281f27..7f7f91a3af 100644
--- a/source/dnode/mnode/impl/inc/mnodeInt.h
+++ b/source/dnode/mnode/impl/inc/mnodeInt.h
@@ -32,7 +32,7 @@ typedef struct SMnodeBak {
   tmr_h      timer;
   SSteps    *pInitSteps;
   SSteps    *pStartSteps;
-  SMnodeOptions para;
+  SMnodeOpt  para;
   MnodeRpcFp msgFp[TSDB_MSG_TYPE_MAX];
 } SMnodeBak;
 
diff --git a/source/dnode/mnode/impl/src/mnode.c b/source/dnode/mnode/impl/src/mnode.c
index bd89476cef..43dd57bbf8 100644
--- a/source/dnode/mnode/impl/src/mnode.c
+++ b/source/dnode/mnode/impl/src/mnode.c
@@ -77,17 +77,17 @@ static void mnodeCleanupTimer() {
 
 tmr_h mnodeGetTimer() { return tsMint.timer; }
 
-static int32_t mnodeSetOptions(SMnode *pMnode, const SMnodeOptions *pOptions) {
-  pMnode->dnodeId = pOptions->dnodeId;
-  pMnode->clusterId = pOptions->clusterId;
-  pMnode->replica = pOptions->replica;
-  pMnode->selfIndex = pOptions->selfIndex;
-  memcpy(&pMnode->replicas, pOptions->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
-  pMnode->pServer = pOptions->pDnode;
-  pMnode->putMsgToApplyMsgFp = pOptions->putMsgToApplyMsgFp;
-  pMnode->sendMsgToDnodeFp = pOptions->sendMsgToDnodeFp;
-  pMnode->sendMsgToMnodeFp = pOptions->sendMsgToMnodeFp;
-  pMnode->sendRedirectMsgFp = pOptions->sendRedirectMsgFp;
+static int32_t mnodeSetOptions(SMnode *pMnode, const SMnodeOpt *pOption) {
+  pMnode->dnodeId = pOption->dnodeId;
+  pMnode->clusterId = pOption->clusterId;
+  pMnode->replica = pOption->replica;
+  pMnode->selfIndex = pOption->selfIndex;
+  memcpy(&pMnode->replicas, pOption->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
+  pMnode->pServer = pOption->pDnode;
+  pMnode->putMsgToApplyMsgFp = pOption->putMsgToApplyMsgFp;
+  pMnode->sendMsgToDnodeFp = pOption->sendMsgToDnodeFp;
+  pMnode->sendMsgToMnodeFp = pOption->sendMsgToMnodeFp;
+  pMnode->sendRedirectMsgFp = pOption->sendRedirectMsgFp;
 
   if (pMnode->sendMsgToDnodeFp == NULL || pMnode->sendMsgToMnodeFp == NULL || pMnode->sendRedirectMsgFp == NULL ||
       pMnode->putMsgToApplyMsgFp == NULL || pMnode->dnodeId < 0 || pMnode->clusterId < 0) {
@@ -136,10 +136,10 @@ static int32_t mnodeAllocStartSteps() {
   return 0;
 }
 
-SMnode *mnodeOpen(const char *path, const SMnodeOptions *pOptions) {
+SMnode *mnodeOpen(const char *path, const SMnodeOpt *pOption) {
   SMnode *pMnode = calloc(1, sizeof(SMnode));
 
-  if (mnodeSetOptions(pMnode, pOptions) != 0) {
+  if (mnodeSetOptions(pMnode, pOption) != 0) {
     free(pMnode);
     mError("failed to init mnode options since %s", terrstr());
     return NULL;
@@ -173,7 +173,7 @@ SMnode *mnodeOpen(const char *path, const SMnodeOptions *pOptions) {
 
 void mnodeClose(SMnode *pMnode) { free(pMnode); }
 
-int32_t mnodeAlter(SMnode *pMnode, const SMnodeOptions *pOptions) { return 0; }
+int32_t mnodeAlter(SMnode *pMnode, const SMnodeOpt *pOption) { return 0; }
 
 void mnodeDestroy(const char *path) { sdbUnDeploy(); }