diff --git a/src/dnode/inc/dnodeInt.h b/src/dnode/inc/dnodeInt.h
index 7595f5fd02fde85e64cf47d283d3e167cfa751d1..1327cd4433fd2e2157becaaf5cb52e2ca0ffe6ef 100644
--- a/src/dnode/inc/dnodeInt.h
+++ b/src/dnode/inc/dnodeInt.h
@@ -36,6 +36,14 @@ extern int32_t dDebugFlag;
 #define dDebug(...) { if (dDebugFlag & DEBUG_DEBUG) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }}
 #define dTrace(...) { if (dDebugFlag & DEBUG_TRACE) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }}
 
+typedef enum {
+  TSDB_RUN_STATUS_INITIALIZE,
+  TSDB_RUN_STATUS_RUNING,
+  TSDB_RUN_STATUS_STOPPED
+} SRunStatus;
+
+SRunStatus dnodeGetRunStatus();
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/dnode/inc/dnodeModule.h b/src/dnode/inc/dnodeModule.h
index edcefbdd0c9d6ce7e9d5ae84f383f6fa15fc2417..e645784c8fd7aced259185f45402f9839842b9aa 100644
--- a/src/dnode/inc/dnodeModule.h
+++ b/src/dnode/inc/dnodeModule.h
@@ -22,8 +22,8 @@ extern "C" {
 #include "dnodeInt.h"
 
 int32_t dnodeInitModules();
-void    dnodeStartModules();
 void    dnodeCleanupModules();
+bool    dnodeStartMnode(SMInfos *pMinfos);
 void    dnodeProcessModuleStatus(uint32_t moduleStatus);
 
 #ifdef __cplusplus
diff --git a/src/dnode/inc/dnodeVnodes.h b/src/dnode/inc/dnodeVnodes.h
index 1785ed3d0636b3db564041fc8487f73113781e7b..e60dd290ce478f214c26410194f345fd4840dfb8 100644
--- a/src/dnode/inc/dnodeVnodes.h
+++ b/src/dnode/inc/dnodeVnodes.h
@@ -23,8 +23,8 @@ extern "C" {
 
 int32_t dnodeInitVnodes();
 void    dnodeCleanupVnodes();
-int32_t dnodeInitTimer();
-void    dnodeCleanupTimer();
+int32_t dnodeInitStatusTimer();
+void    dnodeCleanupStatusTimer();
 void    dnodeSendStatusMsgToMnode();
 
 #ifdef __cplusplus
diff --git a/src/dnode/src/dnodeMain.c b/src/dnode/src/dnodeMain.c
index 79efe5aa0e5124be39a2430763dd7a43fcb075ce..730dcf3681b4c9c6c14056069c90f4dfe2006666 100644
--- a/src/dnode/src/dnodeMain.c
+++ b/src/dnode/src/dnodeMain.c
@@ -17,6 +17,7 @@
 #include "os.h"
 #include "taos.h"
 #include "tnote.h"
+#include "ttimer.h"
 #include "tconfig.h"
 #include "tfile.h"
 #include "twal.h"
@@ -39,6 +40,7 @@
 #include "dnodeShell.h"
 #include "dnodeTelemetry.h"
 
+void *tsDnodeTmr = NULL;
 static SRunStatus tsRunStatus = TSDB_RUN_STATUS_STOPPED;
 
 static int32_t dnodeInitStorage();
@@ -68,8 +70,8 @@ static SStep tsDnodeSteps[] = {
   {"dnode-server",    dnodeInitServer,     dnodeCleanupServer},
   {"dnode-vnodes",    dnodeInitVnodes,     dnodeCleanupVnodes},
   {"dnode-modules",   dnodeInitModules,    dnodeCleanupModules},
-  {"dnode-tmr",       dnodeInitTimer,      dnodeCleanupTimer},
   {"dnode-shell",     dnodeInitShell,      dnodeCleanupShell},
+  {"dnode-statustmr", dnodeInitStatusTimer,dnodeCleanupStatusTimer},
   {"dnode-telemetry", dnodeInitTelemetry,  dnodeCleanupTelemetry},
 };
 
@@ -91,6 +93,23 @@ static int32_t dnodeInitComponents() {
   return dnodeStepInit(tsDnodeSteps, stepSize);
 }
 
+static int32_t dnodeInitTmr() {
+  tsDnodeTmr = taosTmrInit(100, 200, 60000, "DND-DM");
+  if (tsDnodeTmr == NULL) {
+    dError("failed to init dnode timer");
+    return -1;
+  }
+
+  return 0;
+}
+
+static void dnodeCleanupTmr() {
+  if (tsDnodeTmr != NULL) {
+    taosTmrCleanUp(tsDnodeTmr);
+    tsDnodeTmr = NULL;
+  }
+}
+
 int32_t dnodeInitSystem() {
   dnodeSetRunStatus(TSDB_RUN_STATUS_INITIALIZE);
   tscEmbedded  = 1;
@@ -100,6 +119,7 @@ int32_t dnodeInitSystem() {
   taosReadGlobalLogCfg();
   taosSetCoreDump();
   taosInitNotes();
+  dnodeInitTmr();
   signal(SIGPIPE, SIG_IGN);
 
   if (dnodeCreateDir(tsLogDir) < 0) {
@@ -125,7 +145,6 @@ int32_t dnodeInitSystem() {
     return -1;
   }
 
-  dnodeStartModules();
   dnodeSetRunStatus(TSDB_RUN_STATUS_RUNING);
 
   dInfo("TDengine is initialized successfully");
@@ -136,6 +155,7 @@ int32_t dnodeInitSystem() {
 void dnodeCleanUpSystem() {
   if (dnodeGetRunStatus() != TSDB_RUN_STATUS_STOPPED) {
     dnodeSetRunStatus(TSDB_RUN_STATUS_STOPPED);
+    dnodeCleanupTmr();
     dnodeCleanupComponents();
     taos_cleanup();
     taosCloseLog();
diff --git a/src/dnode/src/dnodeModule.c b/src/dnode/src/dnodeModule.c
index 9eb52cbf5aee83852e3f97a89ecf82f06f41f09e..62de85445c2e6756094dea1ac6e7e6a5880f7e18 100644
--- a/src/dnode/src/dnodeModule.c
+++ b/src/dnode/src/dnodeModule.c
@@ -97,6 +97,20 @@ void dnodeCleanupModules() {
   }
 }
 
+static int32_t dnodeStartModules() {
+  for (EModuleType module = 1; module < TSDB_MOD_MAX; ++module) {
+    if (tsModule[module].enable && tsModule[module].startFp) {
+      int32_t code = (*tsModule[module].startFp)();
+      if (code != 0) {
+        dError("failed to start module:%s, code:%d", tsModule[module].name, code);
+        return code;
+      }
+    }
+  }
+
+  return 0;
+}
+
 int32_t dnodeInitModules() {
   dnodeAllocModules();
 
@@ -110,17 +124,7 @@ int32_t dnodeInitModules() {
   }
 
   dInfo("dnode modules is initialized");
-  return 0;
-}
-
-void dnodeStartModules() {
-  for (EModuleType module = 1; module < TSDB_MOD_MAX; ++module) {
-    if (tsModule[module].enable && tsModule[module].startFp) {
-      if ((*tsModule[module].startFp)() != 0) {
-        dError("failed to start module:%s", tsModule[module].name);
-      }
-    }
-  }
+  return dnodeStartModules();
 }
 
 void dnodeProcessModuleStatus(uint32_t moduleStatus) {
diff --git a/src/dnode/src/dnodeVnodes.c b/src/dnode/src/dnodeVnodes.c
index ba7f7625fa7f71d4c2db5b5570c6d126899d9deb..85b997d94c885c131aa033a17b486262f17fc334 100644
--- a/src/dnode/src/dnodeVnodes.c
+++ b/src/dnode/src/dnodeVnodes.c
@@ -30,39 +30,28 @@ typedef struct {
   int32_t * vnodeList;
 } SOpenVnodeThread;
 
-void *          tsDnodeTmr = NULL;
+extern void *   tsDnodeTmr;
 static void *   tsStatusTimer = NULL;
 static uint32_t tsRebootTime = 0;
 
 static void dnodeSendStatusMsg(void *handle, void *tmrId);
 static void dnodeProcessStatusRsp(SRpcMsg *pMsg);
 
-int32_t dnodeInitTimer() {
-  tsDnodeTmr = taosTmrInit(100, 200, 60000, "DND-DM");
-  if (tsDnodeTmr == NULL) {
-    dError("failed to init dnode timer");
-    return -1;
-  }
-
+int32_t dnodeInitStatusTimer() {
   dnodeAddClientRspHandle(TSDB_MSG_TYPE_DM_STATUS_RSP, dnodeProcessStatusRsp);
 
   tsRebootTime = taosGetTimestampSec();
   taosTmrReset(dnodeSendStatusMsg, 500, NULL, tsDnodeTmr, &tsStatusTimer);
 
-  dInfo("dnode timer is initialized");
+  dInfo("dnode status timer is initialized");
   return TSDB_CODE_SUCCESS;
 }
 
-void dnodeCleanupTimer() {
+void dnodeCleanupStatusTimer() {
   if (tsStatusTimer != NULL) {
     taosTmrStopA(&tsStatusTimer);
     tsStatusTimer = NULL;
   }
-
-  if (tsDnodeTmr != NULL) {
-    taosTmrCleanUp(tsDnodeTmr);
-    tsDnodeTmr = NULL;
-  }
 }
 
 static int32_t dnodeGetVnodeList(int32_t vnodeList[], int32_t *numOfVnodes) {
diff --git a/src/inc/dnode.h b/src/inc/dnode.h
index 9dd95e32d759166490230bc06beac6b652b4fe77..cb7e9f0b0d1267c7879a63ca1cd1a9f15883d996 100644
--- a/src/inc/dnode.h
+++ b/src/inc/dnode.h
@@ -29,13 +29,6 @@ typedef struct {
   int32_t httpReqNum;
 } SStatisInfo;
 
-typedef enum {
-  TSDB_RUN_STATUS_INITIALIZE,
-  TSDB_RUN_STATUS_RUNING,
-  TSDB_RUN_STATUS_STOPPED
-} SRunStatus;
-
-SRunStatus  dnodeGetRunStatus();
 SStatisInfo dnodeGetStatisInfo();
 
 bool    dnodeIsFirstDeploy();