diff --git a/source/dnode/mgmt/main/inc/dnd.h b/source/dnode/mgmt/main/inc/dnd.h
index 255a739add..f3a409f257 100644
--- a/source/dnode/mgmt/main/inc/dnd.h
+++ b/source/dnode/mgmt/main/inc/dnd.h
@@ -134,33 +134,42 @@ typedef struct SDnode {
   SMgmtWrapper wrappers[NODE_MAX];
 } SDnode;
 
+// dndFile.h
+int32_t dndReadFile(SMgmtWrapper *pWrapper, bool *pDeployed);
+int32_t dndWriteFile(SMgmtWrapper *pWrapper, bool deployed);
+
+// dndInt.h
+EDndStatus    dndGetStatus(SDnode *pDnode);
+void          dndSetStatus(SDnode *pDnode, EDndStatus stat);
+void          dndSetMsgHandle(SMgmtWrapper *pWrapper, tmsg_t msgType, NodeMsgFp nodeMsgFp, int8_t vgId);
+SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
+int32_t       dndMarkWrapper(SMgmtWrapper *pWrapper);
+void          dndReleaseWrapper(SMgmtWrapper *pWrapper);
+
+// dndMonitor.h
+void dndSendMonitorReport(SDnode *pDnode);
+
+// dndMsg.h
+void    dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc);
+int32_t dndProcessNodeMsg(SDnode *pDnode, SNodeMsg *pMsg);
+
+// dndStr.h
+const char *dndStatStr(EDndStatus stat);
 const char *dndNodeLogStr(ENodeType ntype);
 const char *dndNodeProcStr(ENodeType ntype);
 const char *dndEventStr(EDndEvent ev);
-EDndStatus  dndGetStatus(SDnode *pDnode);
-void        dndSetStatus(SDnode *pDnode, EDndStatus stat);
-void        dndSetMsgHandle(SMgmtWrapper *pWrapper, tmsg_t msgType, NodeMsgFp nodeMsgFp, int8_t vgId);
-void        dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc);
-void        dndSendMonitorReport(SDnode *pDnode);
 
+// dndTransport.h
 int32_t dndInitServer(SDnode *pDnode);
 void    dndCleanupServer(SDnode *pDnode);
 int32_t dndInitClient(SDnode *pDnode);
 void    dndCleanupClient(SDnode *pDnode);
-int32_t dndProcessNodeMsg(SDnode *pDnode, SNodeMsg *pMsg);
 int32_t dndSendReqToMnode(SMgmtWrapper *pWrapper, SRpcMsg *pMsg);
 int32_t dndSendReq(SMgmtWrapper *pWrapper, const SEpSet *pEpSet, SRpcMsg *pMsg);
 void    dndSendRsp(SMgmtWrapper *pWrapper, const SRpcMsg *pRsp);
 void    dndRegisterBrokenLinkArg(SMgmtWrapper *pWrapper, SRpcMsg *pMsg);
 SMsgCb  dndCreateMsgcb(SMgmtWrapper *pWrapper);
 
-int32_t dndReadFile(SMgmtWrapper *pWrapper, bool *pDeployed);
-int32_t dndWriteFile(SMgmtWrapper *pWrapper, bool deployed);
-
-SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
-int32_t       dndMarkWrapper(SMgmtWrapper *pWrapper);
-void          dndReleaseWrapper(SMgmtWrapper *pWrapper);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mgmt/main/inc/dndInt.h b/source/dnode/mgmt/main/inc/dndInt.h
index 612d35d513..0c4ada1df3 100644
--- a/source/dnode/mgmt/main/inc/dndInt.h
+++ b/source/dnode/mgmt/main/inc/dndInt.h
@@ -29,26 +29,24 @@
 extern "C" {
 #endif
 
-// dndInt.c
-int32_t     dndInit();
-void        dndCleanup();
-const char *dndStatStr(EDndStatus stat);
-void        dndGetStartup(SDnode *pDnode, SStartupReq *pStartup);
-void        dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pMsg);
+// dndEnv.h
+int32_t dndInit();
+void    dndCleanup();
 
-// dndMsg.c
-void dndProcessRpcMsg(SMgmtWrapper *pWrapper, SRpcMsg *pMsg, SEpSet *pEpSet);
-
-// dndExec.c
+// dndExec.h
 int32_t dndOpenNode(SMgmtWrapper *pWrapper);
 void    dndCloseNode(SMgmtWrapper *pWrapper);
 int32_t dndRun(SDnode *pDnode);
 
-// dndObj.c
+// dndInt.c
 SDnode *dndCreate(const SDnodeOpt *pOption);
 void    dndClose(SDnode *pDnode);
 void    dndHandleEvent(SDnode *pDnode, EDndEvent event);
 
+// dndMsg.c
+void dndProcessRpcMsg(SMgmtWrapper *pWrapper, SRpcMsg *pMsg, SEpSet *pEpSet);
+void dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pMsg);
+
 // dndTransport.c
 int32_t dndInitMsgHandle(SDnode *pDnode);
 void    dndSendRpcRsp(SMgmtWrapper *pWrapper, const SRpcMsg *pRsp);
diff --git a/source/dnode/mgmt/main/src/dndEnv.c b/source/dnode/mgmt/main/src/dndEnv.c
index 8792147822..9f75594335 100644
--- a/source/dnode/mgmt/main/src/dndEnv.c
+++ b/source/dnode/mgmt/main/src/dndEnv.c
@@ -57,40 +57,3 @@ void dndCleanup() {
   taosStopCacheRefreshWorker();
   dInfo("dnode env is cleaned up");
 }
-
-void dndSetMsgHandle(SMgmtWrapper *pWrapper, tmsg_t msgType, NodeMsgFp nodeMsgFp, int8_t vgId) {
-  pWrapper->msgFps[TMSG_INDEX(msgType)] = nodeMsgFp;
-  pWrapper->msgVgIds[TMSG_INDEX(msgType)] = vgId;
-}
-
-EDndStatus dndGetStatus(SDnode *pDnode) { return pDnode->status; }
-
-void dndSetStatus(SDnode *pDnode, EDndStatus status) {
-  if (pDnode->status != status) {
-    dDebug("dnode status set from %s to %s", dndStatStr(pDnode->status), dndStatStr(status));
-    pDnode->status = status;
-  }
-}
-
-void dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc) {
-  SStartupReq *pStartup = &pDnode->startup;
-  tstrncpy(pStartup->name, pName, TSDB_STEP_NAME_LEN);
-  tstrncpy(pStartup->desc, pDesc, TSDB_STEP_DESC_LEN);
-  pStartup->finished = 0;
-}
-
-void dndGetStartup(SDnode *pDnode, SStartupReq *pStartup) {
-  memcpy(pStartup, &pDnode->startup, sizeof(SStartupReq));
-  pStartup->finished = (dndGetStatus(pDnode) == DND_STAT_RUNNING);
-}
-
-void dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pReq) {
-  dDebug("startup req is received");
-  SStartupReq *pStartup = rpcMallocCont(sizeof(SStartupReq));
-  dndGetStartup(pDnode, pStartup);
-
-  dDebug("startup req is sent, step:%s desc:%s finished:%d", pStartup->name, pStartup->desc, pStartup->finished);
-  SRpcMsg rpcRsp = {
-      .handle = pReq->handle, .pCont = pStartup, .contLen = sizeof(SStartupReq), .ahandle = pReq->ahandle};
-  rpcSendResponse(&rpcRsp);
-}
diff --git a/source/dnode/mgmt/main/src/dndInt.c b/source/dnode/mgmt/main/src/dndInt.c
index 6f6e21b983..25e4d89c5b 100644
--- a/source/dnode/mgmt/main/src/dndInt.c
+++ b/source/dnode/mgmt/main/src/dndInt.c
@@ -188,4 +188,18 @@ void dndReleaseWrapper(SMgmtWrapper *pWrapper) {
   int32_t refCount = atomic_sub_fetch_32(&pWrapper->refCount, 1);
   taosRUnLockLatch(&pWrapper->latch);
   dTrace("node:%s, is released, refCount:%d", pWrapper->name, refCount);
-}
\ No newline at end of file
+}
+
+void dndSetMsgHandle(SMgmtWrapper *pWrapper, tmsg_t msgType, NodeMsgFp nodeMsgFp, int8_t vgId) {
+  pWrapper->msgFps[TMSG_INDEX(msgType)] = nodeMsgFp;
+  pWrapper->msgVgIds[TMSG_INDEX(msgType)] = vgId;
+}
+
+EDndStatus dndGetStatus(SDnode *pDnode) { return pDnode->status; }
+
+void dndSetStatus(SDnode *pDnode, EDndStatus status) {
+  if (pDnode->status != status) {
+    dDebug("dnode status set from %s to %s", dndStatStr(pDnode->status), dndStatStr(status));
+    pDnode->status = status;
+  }
+}
diff --git a/source/dnode/mgmt/main/src/dndMsg.c b/source/dnode/mgmt/main/src/dndMsg.c
index 2ab1e401c7..bb0f8ccb89 100644
--- a/source/dnode/mgmt/main/src/dndMsg.c
+++ b/source/dnode/mgmt/main/src/dndMsg.c
@@ -66,8 +66,8 @@ void dndProcessRpcMsg(SMgmtWrapper *pWrapper, SRpcMsg *pRpc, SEpSet *pEpSet) {
     dTrace("msg:%p, is created, handle:%p app:%p user:%s", pMsg, pRpc->handle, pRpc->ahandle, pMsg->user);
     code = (*msgFp)(pWrapper, pMsg);
   } else if (pWrapper->procType == PROC_PARENT) {
-    dTrace("msg:%p, is created and put into child queue, handle:%p app:%p user:%s", pMsg, pRpc->handle,
-           pRpc->ahandle, pMsg->user);
+    dTrace("msg:%p, is created and put into child queue, handle:%p app:%p user:%s", pMsg, pRpc->handle, pRpc->ahandle,
+           pMsg->user);
     code = taosProcPutToChildQ(pWrapper->pProc, pMsg, sizeof(SNodeMsg), pRpc->pCont, pRpc->contLen, PROC_REQ);
   } else {
     dTrace("msg:%p, should not processed in child process, handle:%p app:%p user:%s", pMsg, pRpc->handle, pRpc->ahandle,
@@ -171,4 +171,27 @@ int32_t dndProcessNodeMsg(SDnode *pDnode, SNodeMsg *pMsg) {
       terrno = TSDB_CODE_MSG_NOT_PROCESSED;
       return -1;
   }
-}
\ No newline at end of file
+}
+
+void dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc) {
+  SStartupReq *pStartup = &pDnode->startup;
+  tstrncpy(pStartup->name, pName, TSDB_STEP_NAME_LEN);
+  tstrncpy(pStartup->desc, pDesc, TSDB_STEP_DESC_LEN);
+  pStartup->finished = 0;
+}
+
+void dndGetStartup(SDnode *pDnode, SStartupReq *pStartup) {
+  memcpy(pStartup, &pDnode->startup, sizeof(SStartupReq));
+  pStartup->finished = (dndGetStatus(pDnode) == DND_STAT_RUNNING);
+}
+
+void dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pReq) {
+  dDebug("startup req is received");
+  SStartupReq *pStartup = rpcMallocCont(sizeof(SStartupReq));
+  dndGetStartup(pDnode, pStartup);
+
+  dDebug("startup req is sent, step:%s desc:%s finished:%d", pStartup->name, pStartup->desc, pStartup->finished);
+  SRpcMsg rpcRsp = {
+      .handle = pReq->handle, .pCont = pStartup, .contLen = sizeof(SStartupReq), .ahandle = pReq->ahandle};
+  rpcSendResponse(&rpcRsp);
+}