diff --git a/include/libs/transport/trpc.h b/include/libs/transport/trpc.h
index fdc9368b76..1f9cc06946 100644
--- a/include/libs/transport/trpc.h
+++ b/include/libs/transport/trpc.h
@@ -42,10 +42,17 @@ typedef struct SRpcMsg {
   void *  pCont;
   int     contLen;
   int32_t code;
-  void *  handle;   // rpc handle returned to app
-  void *  ahandle;  // app handle set by client
+  void   *handle;   // rpc handle returned to app
+  void   *ahandle;  // app handle set by client
 } SRpcMsg;
 
+typedef struct {
+  char    user[TSDB_USER_LEN];
+  SRpcMsg rpcMsg;
+  SEpSet  rpcEpSet;
+  int32_t rspLen;
+  void   *pRsp;
+} SNodeMsg;
 
 typedef struct SRpcInit {
   uint16_t localPort;     // local port
diff --git a/source/dnode/mgmt/dnode/inc/dndInt.h b/source/dnode/mgmt/dnode/inc/dndInt.h
index c47d50597b..e8e2e5953b 100644
--- a/source/dnode/mgmt/dnode/inc/dndInt.h
+++ b/source/dnode/mgmt/dnode/inc/dndInt.h
@@ -61,29 +61,152 @@ typedef enum { DND_STAT_INIT, DND_STAT_RUNNING, DND_STAT_STOPPED } EDndStatus;
 typedef enum { DND_WORKER_SINGLE, DND_WORKER_MULTI } EWorkerType;
 typedef enum { DND_ENV_INIT, DND_ENV_READY, DND_ENV_CLEANU } EEnvStat;
 
+typedef struct SMgmtFp      SMgmtFp;
+typedef struct SMgmtWrapper SMgmtWrapper;
+
 typedef void (*DndMsgFp)(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEps);
 typedef int32_t (*MndMsgFp)(SDnode *pDnode, SMndMsg *pMsg);
+typedef SMgmtWrapper *(*MgmtOpenFp)(SDnode *pDnode, const char *path);
+typedef void (*MgmtCloseFp)(SDnode *pDnode, SMgmtWrapper *pMgmt);
+typedef bool (*MgmtRequiredFp)(SDnode *pDnode, const char *path);
+typedef SArray *(*MgmtMsgFp)(SMgmtWrapper *pNode, SNodeMsg *pMsg);
 
+typedef struct {
+  EWorkerType type;
+  const char *name;
+  int32_t     minNum;
+  int32_t     maxNum;
+  void       *queueFp;
+  SDnode     *pDnode;
+  STaosQueue *queue;
+  union {
+    SQWorkerPool pool;
+    SWWorkerPool mpool;
+  };
+} SDnodeWorker;
 
+typedef struct {
+  int32_t      dnodeId;
+  int32_t      dropped;
+  int64_t      clusterId;
+  int64_t      dver;
+  int64_t      rebootTime;
+  int64_t      updateTime;
+  int8_t       statusSent;
+  SEpSet       mnodeEpSet;
+  char        *file;
+  SHashObj    *dnodeHash;
+  SArray      *pDnodeEps;
+  pthread_t   *threadId;
+  SRWLatch     latch;
+  SDnodeWorker mgmtWorker;
+  SDnodeWorker statusWorker;
+} SDnodeMgmt;
+
+typedef struct {
+  int32_t      refCount;
+  int8_t       deployed;
+  int8_t       dropped;
+  SMnode      *pMnode;
+  SRWLatch     latch;
+  SDnodeWorker readWorker;
+  SDnodeWorker writeWorker;
+  SDnodeWorker syncWorker;
+  int8_t       replica;
+  int8_t       selfIndex;
+  SReplica     replicas[TSDB_MAX_REPLICA];
+
+  //
+  MndMsgFp  msgFp[TDMT_MAX];
+  SProcObj *pProcess;
+  bool      singleProc;
+} SMnodeMgmt;
+
+typedef struct {
+  int32_t      refCount;
+  int8_t       deployed;
+  int8_t       dropped;
+  SQnode      *pQnode;
+  SRWLatch     latch;
+  SDnodeWorker queryWorker;
+  SDnodeWorker fetchWorker;
+} SQnodeMgmt;
+
+typedef struct {
+  int32_t      refCount;
+  int8_t       deployed;
+  int8_t       dropped;
+  SSnode      *pSnode;
+  SRWLatch     latch;
+  SDnodeWorker writeWorker;
+} SSnodeMgmt;
+
+typedef struct {
+  int32_t openVnodes;
+  int32_t totalVnodes;
+  int32_t masterNum;
+  int64_t numOfSelectReqs;
+  int64_t numOfInsertReqs;
+  int64_t numOfInsertSuccessReqs;
+  int64_t numOfBatchInsertReqs;
+  int64_t numOfBatchInsertSuccessReqs;
+} SVnodesStat;
+
+typedef struct {
+  int32_t      refCount;
+  int8_t       deployed;
+  int8_t       dropped;
+  SBnode      *pBnode;
+  SRWLatch     latch;
+  SDnodeWorker writeWorker;
+} SBnodeMgmt;
+
+typedef struct {
+  SVnodesStat  stat;
+  SHashObj    *hash;
+  SRWLatch     latch;
+  SQWorkerPool queryPool;
+  SFWorkerPool fetchPool;
+  SWWorkerPool syncPool;
+  SWWorkerPool writePool;
+} SVnodesMgmt;
+
+typedef struct {
+  void    *serverRpc;
+  void    *clientRpc;
+  DndMsgFp msgFp[TDMT_MAX];
+} STransMgmt;
+
+typedef struct SMgmtFp {
+  MgmtOpenFp     openFp;
+  MgmtCloseFp    closeFp;
+  MgmtRequiredFp requiredFp;
+  MgmtMsgFp      msgFp;
+} SMgmtFp;
+
+typedef struct SMgmtWrapper {
+  const char *name;
+  char       *path;
+  bool        required;
+  EProcType   procType;
+  SProcObj   *pProc;
+  void       *pMgmt;
+  SMgmtFp     fp;
+} SMgmtWrapper;
 
 typedef struct SDnode {
   EDndStatus   status;
-  SDndCfg cfg;
-  SDnodeDir    dir;
+  EDndEvent    event;
+  EProcType    procType;
+  SDndCfg      cfg;
+  SStartupReq  startup;
   TdFilePtr    pLockFile;
   SDnodeMgmt   dmgmt;
-  SMndMgmt     mmgmt;
-  SQnodeMgmt   qmgmt;
-  SSnodeMgmt   smgmt;
-  SBnodeMgmt   bmgmt;
-  SVnodesMgmt  vmgmt;
   STransMgmt   tmgmt;
-  STfs        *pTfs;
-  SStartupReq  startup;
-  EDndEvent    event;
+  SMgmtFp      fps[NODE_MAX];
+  SMgmtWrapper mgmts[NODE_MAX];
 } SDnode;
 
-
 EDndStatus  dndGetStatus(SDnode *pDnode);
 void        dndSetStatus(SDnode *pDnode, EDndStatus stat);
 const char *dndStatStr(EDndStatus stat);
diff --git a/source/dnode/mgmt/dnode/inc/dndMain.h b/source/dnode/mgmt/dnode/inc/dndMain.h
index 3a18db4590..003f07bbd8 100644
--- a/source/dnode/mgmt/dnode/inc/dndMain.h
+++ b/source/dnode/mgmt/dnode/inc/dndMain.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_DND_ENV_H_
-#define _TD_DND_ENV_H_
+#ifndef _TD_DND_MAIN_H_
+#define _TD_DND_MAIN_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -22,126 +22,8 @@ extern "C" {
 
 #include "dndInt.h"
 
-typedef struct {
-  EWorkerType type;
-  const char *name;
-  int32_t     minNum;
-  int32_t     maxNum;
-  void       *queueFp;
-  SDnode     *pDnode;
-  STaosQueue *queue;
-  union {
-    SQWorkerPool pool;
-    SWWorkerPool mpool;
-  };
-} SDnodeWorker;
-
-typedef struct {
-  char *dnode;
-  char *mnode;
-  char *snode;
-  char *bnode;
-  char *vnodes;
-} SDnodeDir;
-
-typedef struct {
-  int32_t      dnodeId;
-  int32_t      dropped;
-  int64_t      clusterId;
-  int64_t      dver;
-  int64_t      rebootTime;
-  int64_t      updateTime;
-  int8_t       statusSent;
-  SEpSet       mnodeEpSet;
-  char        *file;
-  SHashObj    *dnodeHash;
-  SArray      *pDnodeEps;
-  pthread_t   *threadId;
-  SRWLatch     latch;
-  SDnodeWorker mgmtWorker;
-  SDnodeWorker statusWorker;
-} SDnodeMgmt;
-
-typedef enum { SINGLE_PROC, MULTI_PROC_PARENT, MULTI_PROC_CHILD } EProcType;
-
-typedef struct {
-  int32_t      refCount;
-  int8_t       deployed;
-  int8_t       dropped;
-  SMnode      *pMnode;
-  SRWLatch     latch;
-  SDnodeWorker readWorker;
-  SDnodeWorker writeWorker;
-  SDnodeWorker syncWorker;
-  int8_t       replica;
-  int8_t       selfIndex;
-  SReplica     replicas[TSDB_MAX_REPLICA];
-
-  //
-  MndMsgFp  msgFp[TDMT_MAX];
-  SProcObj *pProcess;
-  bool      singleProc;
-} SMndMgmt;
-
-typedef struct {
-  int32_t      refCount;
-  int8_t       deployed;
-  int8_t       dropped;
-  SQnode      *pQnode;
-  SRWLatch     latch;
-  SDnodeWorker queryWorker;
-  SDnodeWorker fetchWorker;
-} SQnodeMgmt;
-
-typedef struct {
-  int32_t      refCount;
-  int8_t       deployed;
-  int8_t       dropped;
-  SSnode      *pSnode;
-  SRWLatch     latch;
-  SDnodeWorker writeWorker;
-} SSnodeMgmt;
-
-typedef struct {
-  int32_t      refCount;
-  int8_t       deployed;
-  int8_t       dropped;
-  SBnode      *pBnode;
-  SRWLatch     latch;
-  SDnodeWorker writeWorker;
-} SBnodeMgmt;
-
-typedef struct {
-  int32_t openVnodes;
-  int32_t totalVnodes;
-  int32_t masterNum;
-  int64_t numOfSelectReqs;
-  int64_t numOfInsertReqs;
-  int64_t numOfInsertSuccessReqs;
-  int64_t numOfBatchInsertReqs;
-  int64_t numOfBatchInsertSuccessReqs;
-} SVnodesStat;
-
-typedef struct {
-  SVnodesStat  stat;
-  SHashObj    *hash;
-  SRWLatch     latch;
-  SQWorkerPool queryPool;
-  SFWorkerPool fetchPool;
-  SWWorkerPool syncPool;
-  SWWorkerPool writePool;
-} SVnodesMgmt;
-
-typedef struct {
-  void    *serverRpc;
-  void    *clientRpc;
-  DndMsgFp msgFp[TDMT_MAX];
-} STransMgmt;
-
-
-
 #ifdef __cplusplus
 }
 #endif
 
-#endif /*_TD_DND_ENV_H_*/
\ No newline at end of file
+#endif /*_TD_DND_MAIN_H_*/
\ No newline at end of file
diff --git a/source/dnode/mgmt/dnode/src/dndInt.c b/source/dnode/mgmt/dnode/src/dndInt.c
index 9203ce5838..d47b2d3a42 100644
--- a/source/dnode/mgmt/dnode/src/dndInt.c
+++ b/source/dnode/mgmt/dnode/src/dndInt.c
@@ -78,5 +78,6 @@ int32_t dndGetMonitorDiskInfo(SDnode *pDnode, SMonDiskInfo *pInfo) {
   tstrncpy(pInfo->tempdir.name, tsTempDir, sizeof(pInfo->tempdir.name));
   pInfo->tempdir.size = tsTempSpace.size;
 
-  return tfsGetMonitorInfo(pDnode->pTfs, pInfo);
+  //return tfsGetMonitorInfo(pDnode->pTfs, pInfo);
+  return tfsGetMonitorInfo(NULL, pInfo);
 }
diff --git a/source/dnode/mgmt/impl/mnodeMgmt/inc/mm.h b/source/dnode/mgmt/impl/mnodeMgmt/inc/mm.h
index d882a3bbc9..2dd3ce0b5b 100644
--- a/source/dnode/mgmt/impl/mnodeMgmt/inc/mm.h
+++ b/source/dnode/mgmt/impl/mnodeMgmt/inc/mm.h
@@ -48,7 +48,7 @@ int32_t mmBuildOptionFromReq(SDnode *pDnode, SMnodeOpt *pOption, SDCreateMnodeRe
 // mmWorker
 int32_t mmStartWorker(SDnode *pDnode);
 void    mmStopWorker(SDnode *pDnode);
-void    mmInitMsgFp(SMndMgmt *pMgmt);
+void    mmInitMsgFp(SMnodeMgmt *pMgmt);
 void    mmProcessRpcMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet);
 int32_t mmPutMsgToWriteQueue(SDnode *pDnode, SRpcMsg *pRpcMsg);
 int32_t mmPutMsgToReadQueue(SDnode *pDnode, SRpcMsg *pRpcMsg);
diff --git a/source/dnode/mgmt/impl/mnodeMgmt/src/mmFile.c b/source/dnode/mgmt/impl/mnodeMgmt/src/mmFile.c
index 42158f631c..89d7eefab2 100644
--- a/source/dnode/mgmt/impl/mnodeMgmt/src/mmFile.c
+++ b/source/dnode/mgmt/impl/mnodeMgmt/src/mmFile.c
@@ -17,7 +17,7 @@
 #include "mm.h"
 
 int32_t mmReadFile(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   int32_t code = TSDB_CODE_DND_MNODE_READ_FILE_ERROR;
   int32_t len = 0;
@@ -115,7 +115,7 @@ PRASE_MNODE_OVER:
 }
 
 int32_t mmWriteFile(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   char file[PATH_MAX];
   snprintf(file, sizeof(file), "%s%smnode.json.bak", pDnode->dir.dnode, TD_DIRSEP);
diff --git a/source/dnode/mgmt/impl/mnodeMgmt/src/mmHandle.c b/source/dnode/mgmt/impl/mnodeMgmt/src/mmHandle.c
index 4aab5aa40d..34fe71eef7 100644
--- a/source/dnode/mgmt/impl/mnodeMgmt/src/mmHandle.c
+++ b/source/dnode/mgmt/impl/mnodeMgmt/src/mmHandle.c
@@ -122,7 +122,7 @@ int32_t mmGetMonitorInfo(SDnode *pDnode, SMonClusterInfo *pClusterInfo, SMonVgro
 }
 
 int32_t dndGetUserAuthFromMnode(SDnode *pDnode, char *user, char *spi, char *encrypt, char *secret, char *ckey) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SMnode *pMnode = mmAcquire(pDnode);
   if (pMnode == NULL) {
diff --git a/source/dnode/mgmt/impl/mnodeMgmt/src/mmMgmt.c b/source/dnode/mgmt/impl/mnodeMgmt/src/mmMgmt.c
index add2f76cb4..9c1728542b 100644
--- a/source/dnode/mgmt/impl/mnodeMgmt/src/mmMgmt.c
+++ b/source/dnode/mgmt/impl/mnodeMgmt/src/mmMgmt.c
@@ -29,7 +29,7 @@ int32_t mmInit(SDnode *pDnode) {
   dInfo("mnode mgmt start to init");
   int32_t code = -1;
 
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   taosInitRWLatch(&pMgmt->latch);
   mmInitMsgFp(pMgmt);
 
@@ -76,7 +76,7 @@ _OVER:
 
 void mmCleanup(SDnode *pDnode) {
   dInfo("mnode mgmt start to clean up");
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   if (pMgmt->pMnode) {
     mmStopWorker(pDnode);
     mndClose(pMgmt->pMnode);
@@ -86,7 +86,7 @@ void mmCleanup(SDnode *pDnode) {
 }
 
 SMnode *mmAcquire(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   SMnode     *pMnode = NULL;
   int32_t     refCount = 0;
 
@@ -108,7 +108,7 @@ SMnode *mmAcquire(SDnode *pDnode) {
 void mmRelease(SDnode *pDnode, SMnode *pMnode) {
   if (pMnode == NULL) return;
 
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   taosRLockLatch(&pMgmt->latch);
   int32_t refCount = atomic_sub_fetch_32(&pMgmt->refCount, 1);
   taosRUnLockLatch(&pMgmt->latch);
@@ -116,7 +116,7 @@ void mmRelease(SDnode *pDnode, SMnode *pMnode) {
 }
 
 int32_t mmOpen(SDnode *pDnode, SMnodeOpt *pOption) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   pMgmt->singleProc = true;
 
   int32_t code = mmOpenImp(pDnode, pOption);
@@ -150,7 +150,7 @@ int32_t mmOpen(SDnode *pDnode, SMnodeOpt *pOption) {
 }
 
 int32_t mmAlter(SDnode *pDnode, SMnodeOpt *pOption) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SMnode *pMnode = mmAcquire(pDnode);
   if (pMnode == NULL) {
@@ -169,7 +169,7 @@ int32_t mmAlter(SDnode *pDnode, SMnodeOpt *pOption) {
 }
 
 int32_t mmDrop(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SMnode *pMnode = mmAcquire(pDnode);
   if (pMnode == NULL) {
@@ -238,7 +238,7 @@ static void mmBuildOptionForDeploy(SDnode *pDnode, SMnodeOpt *pOption) {
   pReplica->port = pDnode->cfg.serverPort;
   memcpy(pReplica->fqdn, pDnode->cfg.localFqdn, TSDB_FQDN_LEN);
 
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   pMgmt->selfIndex = pOption->selfIndex;
   pMgmt->replica = pOption->replica;
   memcpy(&pMgmt->replicas, pOption->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
@@ -246,7 +246,7 @@ static void mmBuildOptionForDeploy(SDnode *pDnode, SMnodeOpt *pOption) {
 
 static void mmBuildOptionForOpen(SDnode *pDnode, SMnodeOpt *pOption) {
   mmInitOption(pDnode, pOption);
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   pOption->selfIndex = pMgmt->selfIndex;
   pOption->replica = pMgmt->replica;
   memcpy(&pOption->replicas, pMgmt->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
@@ -274,7 +274,7 @@ int32_t mmBuildOptionFromReq(SDnode *pDnode, SMnodeOpt *pOption, SDCreateMnodeRe
     return -1;
   }
 
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   pMgmt->selfIndex = pOption->selfIndex;
   pMgmt->replica = pOption->replica;
   memcpy(&pMgmt->replicas, pOption->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
@@ -282,7 +282,7 @@ int32_t mmBuildOptionFromReq(SDnode *pDnode, SMnodeOpt *pOption, SDCreateMnodeRe
 }
 
 static int32_t mmOpenImp(SDnode *pDnode, SMnodeOpt *pOption) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SMnode *pMnode = mndOpen(pDnode->dir.mnode, pOption);
   if (pMnode == NULL) {
diff --git a/source/dnode/mgmt/impl/mnodeMgmt/src/mmWorker.c b/source/dnode/mgmt/impl/mnodeMgmt/src/mmWorker.c
index 8d400cf867..a721c5977a 100644
--- a/source/dnode/mgmt/impl/mnodeMgmt/src/mmWorker.c
+++ b/source/dnode/mgmt/impl/mnodeMgmt/src/mmWorker.c
@@ -28,7 +28,7 @@ static int32_t mmPutRpcMsgToWorker(SDnode *pDnode, SDnodeWorker *pWorker, SRpcMs
 static void    mmConsumeMsgQueue(SDnode *pDnode, SMndMsg *pMsg);
 
 int32_t mmStartWorker(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   if (dndInitWorker(pDnode, &pMgmt->readWorker, DND_WORKER_SINGLE, "mnode-read", 0, 1, mmConsumeMsgQueue) != 0) {
     dError("failed to start mnode read worker since %s", terrstr());
     return -1;
@@ -48,7 +48,7 @@ int32_t mmStartWorker(SDnode *pDnode) {
 }
 
 void mmStopWorker(SDnode *pDnode) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   taosWLockLatch(&pMgmt->latch);
   pMgmt->deployed = 0;
@@ -63,7 +63,7 @@ void mmStopWorker(SDnode *pDnode) {
   dndCleanupWorker(&pMgmt->syncWorker);
 }
 
-void mmInitMsgFp(SMndMgmt *pMgmt) {
+void mmInitMsgFp(SMnodeMgmt *pMgmt) {
   // Requests handled by DNODE
   pMgmt->msgFp[TMSG_INDEX(TDMT_DND_CREATE_MNODE_RSP)] = mmProcessWriteMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_DND_ALTER_MNODE_RSP)] = mmProcessWriteMsg;
@@ -163,7 +163,7 @@ static int32_t mmBuildMsg(SMndMsg *pMsg, SRpcMsg *pRpc) {
 }
 
 void mmProcessRpcMsg(SDnode *pDnode, SRpcMsg *pRpc, SEpSet *pEpSet) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   int32_t   code = -1;
   SMndMsg  *pMsg = NULL;
 
@@ -261,7 +261,7 @@ static int32_t mmPutRpcMsgToWorker(SDnode *pDnode, SDnodeWorker *pWorker, SRpcMs
 }
 
 void mmPutRpcRspToWorker(SDnode *pDnode, SRpcMsg *pRpc) {
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   int32_t   code = -1;
 
   if (pMgmt->singleProc) {
@@ -278,7 +278,7 @@ void mmPutRpcRspToWorker(SDnode *pDnode, SRpcMsg *pRpc) {
 
 void mmConsumeChildQueue(SDnode *pDnode, SMndMsg *pMsg, int32_t msgLen, void *pCont, int32_t contLen) {
   dTrace("msg:%p, get from child queue", pMsg);
-  SMndMgmt *pMgmt = &pDnode->mmgmt;
+  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
   SRpcMsg *pRpc = &pMsg->rpcMsg;
   pRpc->pCont = pCont;