diff --git a/include/dnode/mnode/mnode.h b/include/dnode/mnode/mnode.h
index f4a6f7a4c93f778ce738ed0cf9ceae63bcb4b6e6..09d1f8c0139102913df52605fbe19933bf21b73c 100644
--- a/include/dnode/mnode/mnode.h
+++ b/include/dnode/mnode/mnode.h
@@ -27,7 +27,6 @@ typedef struct SMnodeMsg SMnodeMsg;
 typedef void (*SendMsgToDnodeFp)(SDnode *pDnode, struct SEpSet *epSet, struct SRpcMsg *rpcMsg);
 typedef void (*SendMsgToMnodeFp)(SDnode *pDnode, struct SRpcMsg *rpcMsg);
 typedef void (*SendRedirectMsgFp)(SDnode *pDnode, struct SRpcMsg *rpcMsg);
-typedef int32_t (*PutMsgToMnodeQFp)(SDnode *pDnode, SMnodeMsg *pMsg);
 
 typedef struct SMnodeLoad {
   int64_t numOfDnode;
@@ -63,7 +62,6 @@ typedef struct {
   SReplica          replicas[TSDB_MAX_REPLICA];
   SMnodeCfg         cfg;
   SDnode           *pDnode;
-  PutMsgToMnodeQFp  putMsgToApplyMsgFp;
   SendMsgToDnodeFp  sendMsgToDnodeFp;
   SendMsgToMnodeFp  sendMsgToMnodeFp;
   SendRedirectMsgFp sendRedirectMsgFp;
@@ -172,14 +170,6 @@ void mndProcessWriteMsg(SMnodeMsg *pMsg);
  */
 void mndProcessSyncMsg(SMnodeMsg *pMsg);
 
-/**
- * @brief Process the apply request.
- *
- * @param pMsg The request msg.
- * @return int32_t 0 for success, -1 for failure.
- */
-void mndProcessApplyMsg(SMnodeMsg *pMsg);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mgmt/impl/inc/dndInt.h b/source/dnode/mgmt/impl/inc/dndInt.h
index 8973574d23fdfff01499f6fcf7e51a4312956c5f..6f1357e9c1c843fc46eff534cf57b1f265a5ee0e 100644
--- a/source/dnode/mgmt/impl/inc/dndInt.h
+++ b/source/dnode/mgmt/impl/inc/dndInt.h
@@ -80,7 +80,6 @@ typedef struct {
   SRWLatch    latch;
   taos_queue  pReadQ;
   taos_queue  pWriteQ;
-  taos_queue  pApplyQ;
   taos_queue  pSyncQ;
   taos_queue  pMgmtQ;
   SWorkerPool mgmtPool;
diff --git a/source/dnode/mgmt/impl/src/dndDnode.c b/source/dnode/mgmt/impl/src/dndDnode.c
index 6b5aeb078a0df484fedab479ac1b44f6435886fe..af86e5951811a774657cfe991015ad8bc9fa75e8 100644
--- a/source/dnode/mgmt/impl/src/dndDnode.c
+++ b/source/dnode/mgmt/impl/src/dndDnode.c
@@ -369,7 +369,7 @@ void dndSendStatusMsg(SDnode *pDnode) {
   dndGetVnodeLoads(pDnode, &pStatus->vnodeLoads);
   contLen = sizeof(SStatusMsg) + pStatus->vnodeLoads.num * sizeof(SVnodeLoad);
 
-  SRpcMsg rpcMsg = {.pCont = pStatus, .contLen = contLen, .msgType = TDMT_MND_STATUS, .ahandle = 9527};
+  SRpcMsg rpcMsg = {.pCont = pStatus, .contLen = contLen, .msgType = TDMT_MND_STATUS, .ahandle = (void *)9527};
   pMgmt->statusSent = 1;
 
   dTrace("pDnode:%p, send status msg to mnode", pDnode);
diff --git a/source/dnode/mgmt/impl/src/dndMnode.c b/source/dnode/mgmt/impl/src/dndMnode.c
index c62c05fe2faadf177e7186b18653d8d2e589d559..8fbb473af10a04091d930af844c329fd0e3bfb3c 100644
--- a/source/dnode/mgmt/impl/src/dndMnode.c
+++ b/source/dnode/mgmt/impl/src/dndMnode.c
@@ -28,18 +28,15 @@ static void    dndCleanupMnodeSyncWorker(SDnode *pDnode);
 static void    dndCleanupMnodeMgmtWorker(SDnode *pDnode);
 static int32_t dndAllocMnodeReadQueue(SDnode *pDnode);
 static int32_t dndAllocMnodeWriteQueue(SDnode *pDnode);
-static int32_t dndAllocMnodeApplyQueue(SDnode *pDnode);
 static int32_t dndAllocMnodeSyncQueue(SDnode *pDnode);
 static int32_t dndAllocMnodeMgmtQueue(SDnode *pDnode);
 static void    dndFreeMnodeReadQueue(SDnode *pDnode);
 static void    dndFreeMnodeWriteQueue(SDnode *pDnode);
-static void    dndFreeMnodeApplyQueue(SDnode *pDnode);
 static void    dndFreeMnodeSyncQueue(SDnode *pDnode);
 static void    dndFreeMnodeMgmtQueue(SDnode *pDnode);
 
 static void    dndProcessMnodeReadQueue(SDnode *pDnode, SMnodeMsg *pMsg);
 static void    dndProcessMnodeWriteQueue(SDnode *pDnode, SMnodeMsg *pMsg);
-static void    dndProcessMnodeApplyQueue(SDnode *pDnode, SMnodeMsg *pMsg);
 static void    dndProcessMnodeSyncQueue(SDnode *pDnode, SMnodeMsg *pMsg);
 static void    dndProcessMnodeMgmtQueue(SDnode *pDnode, SRpcMsg *pMsg);
 static int32_t dndWriteMnodeMsgToQueue(SMnode *pMnode, taos_queue pQueue, SRpcMsg *pRpcMsg);
@@ -47,7 +44,6 @@ void           dndProcessMnodeReadMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEp
 void           dndProcessMnodeWriteMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet);
 void           dndProcessMnodeSyncMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet);
 void           dndProcessMnodeMgmtMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet);
-static int32_t dndPutMsgIntoMnodeApplyQueue(SDnode *pDnode, SMnodeMsg *pMsg);
 
 static int32_t dndStartMnodeWorker(SDnode *pDnode);
 static void    dndStopMnodeWorker(SDnode *pDnode);
@@ -271,11 +267,6 @@ static int32_t dndStartMnodeWorker(SDnode *pDnode) {
     return -1;
   }
 
-  if (dndAllocMnodeApplyQueue(pDnode) != 0) {
-    dError("failed to alloc mnode apply queue since %s", terrstr());
-    return -1;
-  }
-
   if (dndAllocMnodeSyncQueue(pDnode) != 0) {
     dError("failed to alloc mnode sync queue since %s", terrstr());
     return -1;
@@ -293,7 +284,6 @@ static void dndStopMnodeWorker(SDnode *pDnode) {
 
   while (pMgmt->refCount > 1) taosMsleep(10);
   while (!taosQueueEmpty(pMgmt->pReadQ)) taosMsleep(10);
-  while (!taosQueueEmpty(pMgmt->pApplyQ)) taosMsleep(10);
   while (!taosQueueEmpty(pMgmt->pWriteQ)) taosMsleep(10);
   while (!taosQueueEmpty(pMgmt->pSyncQ)) taosMsleep(10);
 
@@ -303,7 +293,6 @@ static void dndStopMnodeWorker(SDnode *pDnode) {
 
   dndFreeMnodeReadQueue(pDnode);
   dndFreeMnodeWriteQueue(pDnode);
-  dndFreeMnodeApplyQueue(pDnode);
   dndFreeMnodeSyncQueue(pDnode);
 }
 
@@ -328,7 +317,6 @@ static void dndInitMnodeOption(SDnode *pDnode, SMnodeOpt *pOption) {
   pOption->sendMsgToDnodeFp = dndSendMsgToDnode;
   pOption->sendMsgToMnodeFp = dndSendMsgToMnode;
   pOption->sendRedirectMsgFp = dndSendRedirectMsg;
-  pOption->putMsgToApplyMsgFp = dndPutMsgIntoMnodeApplyQueue;
   pOption->dnodeId = dndGetDnodeId(pDnode);
   pOption->clusterId = dndGetClusterId(pDnode);
   pOption->cfg.sver = pDnode->opt.sver;
@@ -604,20 +592,6 @@ static void dndProcessMnodeWriteQueue(SDnode *pDnode, SMnodeMsg *pMsg) {
   mndCleanupMsg(pMsg);
 }
 
-static void dndProcessMnodeApplyQueue(SDnode *pDnode, SMnodeMsg *pMsg) {
-  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
-
-  SMnode *pMnode = dndAcquireMnode(pDnode);
-  if (pMnode != NULL) {
-    mndProcessApplyMsg(pMsg);
-    dndReleaseMnode(pDnode, pMnode);
-  } else {
-    mndSendRsp(pMsg, terrno);
-  }
-
-  mndCleanupMsg(pMsg);
-}
-
 static void dndProcessMnodeSyncQueue(SDnode *pDnode, SMnodeMsg *pMsg) {
   SMnodeMgmt *pMgmt = &pDnode->mmgmt;
 
@@ -712,19 +686,6 @@ void dndProcessMnodeReadMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet) {
   dndReleaseMnode(pDnode, pMnode);
 }
 
-static int32_t dndPutMsgIntoMnodeApplyQueue(SDnode *pDnode, SMnodeMsg *pMsg) {
-  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
-
-  SMnode *pMnode = dndAcquireMnode(pDnode);
-  if (pMnode == NULL) {
-    return -1;
-  }
-
-  int32_t code = taosWriteQitem(pMgmt->pApplyQ, pMsg);
-  dndReleaseMnode(pDnode, pMnode);
-  return code;
-}
-
 static int32_t dndAllocMnodeMgmtQueue(SDnode *pDnode) {
   SMnodeMgmt *pMgmt = &pDnode->mmgmt;
   pMgmt->pMgmtQ = tWorkerAllocQueue(&pMgmt->mgmtPool, pDnode, (FProcessItem)dndProcessMnodeMgmtQueue);
@@ -817,23 +778,6 @@ static void dndFreeMnodeWriteQueue(SDnode *pDnode) {
   pMgmt->pWriteQ = NULL;
 }
 
-static int32_t dndAllocMnodeApplyQueue(SDnode *pDnode) {
-  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
-  pMgmt->pApplyQ = tWorkerAllocQueue(&pMgmt->writePool, pDnode, (FProcessItem)dndProcessMnodeApplyQueue);
-  if (pMgmt->pApplyQ == NULL) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return -1;
-  }
-
-  return 0;
-}
-
-static void dndFreeMnodeApplyQueue(SDnode *pDnode) {
-  SMnodeMgmt *pMgmt = &pDnode->mmgmt;
-  tWorkerFreeQueue(&pMgmt->writePool, pMgmt->pApplyQ);
-  pMgmt->pApplyQ = NULL;
-}
-
 static int32_t dndInitMnodeWriteWorker(SDnode *pDnode) {
   SMnodeMgmt  *pMgmt = &pDnode->mmgmt;
   SWorkerPool *pPool = &pMgmt->writePool;
diff --git a/source/dnode/mnode/impl/inc/mndInt.h b/source/dnode/mnode/impl/inc/mndInt.h
index ba8746c0095b4df3496a7636cb5fec263f5396cb..a9932ce0483f9448b003a40f790eff960a200148 100644
--- a/source/dnode/mnode/impl/inc/mndInt.h
+++ b/source/dnode/mnode/impl/inc/mndInt.h
@@ -61,6 +61,13 @@ typedef struct {
   char             email[TSDB_FQDN_LEN];
 } STelemMgmt;
 
+typedef struct {
+  int32_t    errCode;
+  sem_t      syncSem;
+  SSyncNode *pSyncNode;
+  ESyncState state;
+} SSyncMgmt;
+
 typedef struct SMnode {
   int32_t           dnodeId;
   int32_t           clusterId;
@@ -77,11 +84,11 @@ typedef struct SMnode {
   SShowMgmt         showMgmt;
   SProfileMgmt      profileMgmt;
   STelemMgmt        telemMgmt;
+  SSyncMgmt         syncMgmt;
   MndMsgFp          msgFp[TDMT_MAX];
   SendMsgToDnodeFp  sendMsgToDnodeFp;
   SendMsgToMnodeFp  sendMsgToMnodeFp;
   SendRedirectMsgFp sendRedirectMsgFp;
-  PutMsgToMnodeQFp  putMsgToApplyMsgFp;
 } SMnode;
 
 void mndSendMsgToDnode(SMnode *pMnode, SEpSet *pEpSet, SRpcMsg *rpcMsg);
diff --git a/source/dnode/mnode/impl/src/mndSync.c b/source/dnode/mnode/impl/src/mndSync.c
index 5e9165f8980ae9946f86273c6931481a85a49145..6a2fca836f1c3446aad94d96aa267c56df46e459 100644
--- a/source/dnode/mnode/impl/src/mndSync.c
+++ b/source/dnode/mnode/impl/src/mndSync.c
@@ -14,26 +14,54 @@
  */
 
 #define _DEFAULT_SOURCE
-#include "os.h"
-#include "mndInt.h"
-#include "mndTrans.h"
+#include "mndSync.h"
 
-int32_t mndInitSync(SMnode *pMnode) { return 0; }
-void    mndCleanupSync(SMnode *pMnode) {}
+int32_t mndInitSync(SMnode *pMnode) {
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  tsem_init(&pMgmt->syncSem, 0, 0);
+
+  pMgmt->state = TAOS_SYNC_STATE_LEADER;
+  pMgmt->pSyncNode = NULL;
+  return 0;
+}
+
+void mndCleanupSync(SMnode *pMnode) {
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  tsem_destroy(&pMgmt->syncSem);
+}
+
+static int32_t mndSyncApplyCb(struct SSyncFSM *fsm, SyncIndex index, const SSyncBuffer *buf, void *pData) {
+  SMnode    *pMnode = pData;
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+
+  pMgmt->errCode = 0;
+  tsem_post(&pMgmt->syncSem);
+
+  return 0;
+}
 
 int32_t mndSyncPropose(SMnode *pMnode, SSdbRaw *pRaw) {
-  int32_t code = 0;
+#if 1
+  return 0;
+#else
+  if (pMnode->replica == 1) return 0;
+
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  pMgmt->errCode = 0;
+
+  SSyncBuffer buf = {.data = pRaw, .len = sdbGetRawTotalSize(pRaw)};
+
+  bool    isWeak = false;
+  int32_t code = syncPropose(pMgmt->pSyncNode, &buf, pMnode, isWeak);
 
-  // int32_t  len = sdbGetRawTotalSize(pRaw);
-  // SSdbRaw *pReceived = calloc(1, len);
-  // memcpy(pReceived, pRaw, len);
-  // mDebug("trans:%d, data:%p recv from sync, code:0x%x pMsg:%p", pMsg->id, pReceived, code & 0xFFFF, pMsg);
+  if (code != 0) return code;
 
-  // mndTransApply(pMnode, pReceived, code);
-  return code;
+  tsem_wait(&pMgmt->syncSem);
+  return pMgmt->errCode;
+#endif
 }
 
 bool mndIsMaster(SMnode *pMnode) {
-  // pMnode->role = TAOS_SYNC_STATE_LEADER;
-  return true;
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  return pMgmt->state == TAOS_SYNC_STATE_LEADER;
 }
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 2432e31b9eaf07efcc02d529035f8f2a55b168d7..f63d14e71194f8f49b20f3ee8b3b420a510b4fb3 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -746,7 +746,7 @@ static int32_t mndTransPerformExecuteStage(SMnode *pMnode, STrans *pTrans) {
     }
   }
 
-  return 0;
+  return code;
 }
 
 static int32_t mndTransPerformCommitStage(SMnode *pMnode, STrans *pTrans) {
diff --git a/source/dnode/mnode/impl/src/mnode.c b/source/dnode/mnode/impl/src/mnode.c
index 26b1c71a10b5cda278c08866154ffe7c47272cc6..27668a585aeb637dc57e16b6f5f8159c348fc6c6 100644
--- a/source/dnode/mnode/impl/src/mnode.c
+++ b/source/dnode/mnode/impl/src/mnode.c
@@ -202,7 +202,6 @@ static int32_t mndSetOptions(SMnode *pMnode, const SMnodeOpt *pOption) {
   pMnode->selfIndex = pOption->selfIndex;
   memcpy(&pMnode->replicas, pOption->replicas, sizeof(SReplica) * TSDB_MAX_REPLICA);
   pMnode->pDnode = pOption->pDnode;
-  pMnode->putMsgToApplyMsgFp = pOption->putMsgToApplyMsgFp;
   pMnode->sendMsgToDnodeFp = pOption->sendMsgToDnodeFp;
   pMnode->sendMsgToMnodeFp = pOption->sendMsgToMnodeFp;
   pMnode->sendRedirectMsgFp = pOption->sendRedirectMsgFp;
@@ -217,8 +216,7 @@ static int32_t mndSetOptions(SMnode *pMnode, const SMnodeOpt *pOption) {
   pMnode->cfg.buildinfo = strdup(pOption->cfg.buildinfo);
 
   if (pMnode->sendMsgToDnodeFp == NULL || pMnode->sendMsgToMnodeFp == NULL || pMnode->sendRedirectMsgFp == NULL ||
-      pMnode->putMsgToApplyMsgFp == NULL || pMnode->dnodeId < 0 || pMnode->clusterId < 0 ||
-      pMnode->cfg.statusInterval < 1) {
+      pMnode->dnodeId < 0 || pMnode->clusterId < 0 || pMnode->cfg.statusInterval < 1) {
     terrno = TSDB_CODE_MND_INVALID_OPTIONS;
     return -1;
   }
@@ -438,8 +436,6 @@ void mndProcessWriteMsg(SMnodeMsg *pMsg) { mndProcessRpcMsg(pMsg); }
 
 void mndProcessSyncMsg(SMnodeMsg *pMsg) { mndProcessRpcMsg(pMsg); }
 
-void mndProcessApplyMsg(SMnodeMsg *pMsg) {}
-
 uint64_t mndGenerateUid(char *name, int32_t len) {
   int64_t  us = taosGetTimestampUs();
   int32_t  hashval = MurmurHash3_32(name, len);