diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index e9047af7e3..eab32a5dac 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -638,10 +638,6 @@ typedef struct {
 int32_t tSerializeSStatusReq(void** buf, SStatusReq* pReq);
 void*   tDeserializeSStatusReq(void* buf, SStatusReq* pReq);
 
-typedef struct {
-  int32_t reserved;
-} STransReq;
-
 typedef struct {
   int32_t dnodeId;
   int64_t clusterId;
@@ -650,21 +646,23 @@ typedef struct {
 typedef struct {
   int32_t  id;
   int8_t   isMnode;
-  int8_t   align;
   SEp      ep;
 } SDnodeEp;
 
 typedef struct {
-  int32_t  num;
-  SDnodeEp eps[];
-} SDnodeEps;
-
-typedef struct {
+  int32_t   mver;
   int64_t   dver;
   SDnodeCfg dnodeCfg;
-  SDnodeEps dnodeEps;
+  SArray*   pDnodeEps;  // Array of SDnodeEp
 } SStatusRsp;
 
+int32_t tSerializeSStatusRsp(void** buf, SStatusRsp* pRsp);
+void*   tDeserializeSStatusRsp(void* buf, SStatusRsp* pRsp);
+
+typedef struct {
+  int32_t mver;
+} STransReq;
+
 typedef struct {
   int32_t  id;
   uint16_t port;                 // node sync Port
@@ -1201,8 +1199,6 @@ typedef struct {
 
 int32_t tSerializeSVCreateTbReq(void** buf, SVCreateTbReq* pReq);
 void*   tDeserializeSVCreateTbReq(void* buf, SVCreateTbReq* pReq);
-int32_t tSerializeSVCreateTbRsp(void** buf, SVCreateTbRsp* pRsp);
-void*   tDeserializeSVCreateTbRsp(void* buf, SVCreateTbRsp* pRsp);
 
 typedef struct {
   uint64_t ver;  // use a general definition
@@ -1214,8 +1210,6 @@ typedef struct {
 
 int32_t tSerializeSVCreateTbBatchReq(void** buf, SVCreateTbBatchReq* pReq);
 void*   tDeserializeSVCreateTbBatchReq(void* buf, SVCreateTbBatchReq* pReq);
-int32_t tSerializeSVCreateTbBatchRsp(void** buf, SVCreateTbBatchRsp* pRsp);
-void*   tDeserializeSVCreateTbBatchRsp(void* buf, SVCreateTbBatchRsp* pRsp);
 
 typedef struct {
   uint64_t ver;
@@ -1229,8 +1223,6 @@ typedef struct {
 
 int32_t tSerializeSVDropTbReq(void** buf, SVDropTbReq* pReq);
 void*   tDeserializeSVDropTbReq(void* buf, SVDropTbReq* pReq);
-int32_t tSerializeSVDropTbRsp(void** buf, SVDropTbRsp* pRsp);
-void*   tDeserializeSVDropTbRsp(void* buf, SVDropTbRsp* pRsp);
 
 typedef struct {
   SMsgHead head;
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 562e08635d..d9d3cca862 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -543,3 +543,61 @@ void *tDeserializeSStatusReq(void *buf, SStatusReq *pReq) {
 
   return buf;
 }
+
+int32_t tSerializeSStatusRsp(void **buf, SStatusRsp *pRsp) {
+  int32_t tlen = 0;
+
+  // status
+  tlen += taosEncodeFixedI32(buf, pRsp->mver);
+  tlen += taosEncodeFixedI64(buf, pRsp->dver);
+
+  // dnode cfg
+  tlen += taosEncodeFixedI32(buf, pRsp->dnodeCfg.dnodeId);
+  tlen += taosEncodeFixedI64(buf, pRsp->dnodeCfg.clusterId);
+
+  // dnode eps
+  int32_t dlen = (int32_t)taosArrayGetSize(pRsp->pDnodeEps);
+  tlen += taosEncodeFixedI32(buf, dlen);
+  for (int32_t i = 0; i < dlen; ++i) {
+    SDnodeEp *pDnodeEp = taosArrayGet(pRsp->pDnodeEps, i);
+    tlen += taosEncodeFixedI32(buf, pDnodeEp->id);
+    tlen += taosEncodeFixedI8(buf, pDnodeEp->isMnode);
+    tlen += taosEncodeString(buf, pDnodeEp->ep.fqdn);
+    tlen += taosEncodeFixedU16(buf, pDnodeEp->ep.port);
+  }
+
+  return tlen;
+}
+
+void *tDeserializeSStatusRsp(void *buf, SStatusRsp *pRsp) {
+  // status
+  buf = taosDecodeFixedI32(buf, &pRsp->mver);
+  buf = taosDecodeFixedI64(buf, &pRsp->dver);
+
+  // cluster cfg
+  buf = taosDecodeFixedI32(buf, &pRsp->dnodeCfg.dnodeId);
+  buf = taosDecodeFixedI64(buf, &pRsp->dnodeCfg.clusterId);
+
+  // dnode eps
+  int32_t dlen = 0;
+  buf = taosDecodeFixedI32(buf, &dlen);
+  pRsp->pDnodeEps = taosArrayInit(dlen, sizeof(SDnodeEp));
+  if (pRsp->pDnodeEps == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return NULL;
+  }
+
+  for (int32_t i = 0; i < dlen; ++i) {
+    SDnodeEp dnodeEp = {0};
+    buf = taosDecodeFixedI32(buf, &dnodeEp.id);
+    buf = taosDecodeFixedI8(buf, &dnodeEp.isMnode);
+    buf = taosDecodeStringTo(buf, dnodeEp.ep.fqdn);
+    buf = taosDecodeFixedU16(buf, &dnodeEp.ep.port);
+    if (taosArrayPush(pRsp->pDnodeEps, &dnodeEp) == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return NULL;
+    }
+  }
+
+  return buf;
+}
diff --git a/source/dnode/mgmt/impl/inc/dndEnv.h b/source/dnode/mgmt/impl/inc/dndEnv.h
index 4214dca11d..9eff246323 100644
--- a/source/dnode/mgmt/impl/inc/dndEnv.h
+++ b/source/dnode/mgmt/impl/inc/dndEnv.h
@@ -55,7 +55,7 @@ typedef struct {
   SEpSet       mnodeEpSet;
   char        *file;
   SHashObj    *dnodeHash;
-  SDnodeEps   *dnodeEps;
+  SArray      *pDnodeEps;
   pthread_t   *threadId;
   SRWLatch     latch;
   SDnodeWorker mgmtWorker;
diff --git a/source/dnode/mgmt/impl/src/dndMgmt.c b/source/dnode/mgmt/impl/src/dndMgmt.c
index 1c7ea224fa..41dd54a0ff 100644
--- a/source/dnode/mgmt/impl/src/dndMgmt.c
+++ b/source/dnode/mgmt/impl/src/dndMgmt.c
@@ -113,35 +113,31 @@ static void dndUpdateMnodeEpSet(SDnode *pDnode, SEpSet *pEpSet) {
 static void dndPrintDnodes(SDnode *pDnode) {
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
 
-  dDebug("print dnode ep list, num:%d", pMgmt->dnodeEps->num);
-  for (int32_t i = 0; i < pMgmt->dnodeEps->num; i++) {
-    SDnodeEp *pEp = &pMgmt->dnodeEps->eps[i];
+  int32_t numOfEps = (int32_t)taosArrayGetSize(pMgmt->pDnodeEps);
+  dDebug("print dnode ep list, num:%d", numOfEps);
+  for (int32_t i = 0; i < numOfEps; i++) {
+    SDnodeEp *pEp = taosArrayGet(pMgmt->pDnodeEps, i);
     dDebug("dnode:%d, fqdn:%s port:%u isMnode:%d", pEp->id, pEp->ep.fqdn, pEp->ep.port, pEp->isMnode);
   }
 }
 
-static void dndResetDnodes(SDnode *pDnode, SDnodeEps *pDnodeEps) {
+static void dndResetDnodes(SDnode *pDnode, SArray *pDnodeEps) {
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
 
-  int32_t size = sizeof(SDnodeEps) + pDnodeEps->num * sizeof(SDnodeEp);
-  if (pDnodeEps->num > pMgmt->dnodeEps->num) {
-    SDnodeEps *tmp = calloc(1, size);
-    if (tmp == NULL) return;
-
-    tfree(pMgmt->dnodeEps);
-    pMgmt->dnodeEps = tmp;
-  }
-
-  if (pMgmt->dnodeEps != pDnodeEps) {
-    memcpy(pMgmt->dnodeEps, pDnodeEps, size);
+  if (pMgmt->pDnodeEps != pDnodeEps) {
+    SArray *tmp = pMgmt->pDnodeEps;
+    pMgmt->pDnodeEps = taosArrayDup(pDnodeEps);
+    taosArrayDestroy(tmp);
   }
 
   pMgmt->mnodeEpSet.inUse = 0;
   pMgmt->mnodeEpSet.numOfEps = 0;
 
   int32_t mIndex = 0;
-  for (int32_t i = 0; i < pMgmt->dnodeEps->num; i++) {
-    SDnodeEp *pDnodeEp = &pMgmt->dnodeEps->eps[i];
+  int32_t numOfEps = (int32_t)taosArrayGetSize(pDnodeEps);
+
+  for (int32_t i = 0; i < numOfEps; i++) {
+    SDnodeEp *pDnodeEp = taosArrayGet(pDnodeEps, i);
     if (!pDnodeEp->isMnode) continue;
     if (mIndex >= TSDB_MAX_REPLICA) continue;
     pMgmt->mnodeEpSet.numOfEps++;
@@ -150,8 +146,8 @@ static void dndResetDnodes(SDnode *pDnode, SDnodeEps *pDnodeEps) {
     mIndex++;
   }
 
-  for (int32_t i = 0; i < pMgmt->dnodeEps->num; ++i) {
-    SDnodeEp *pDnodeEp = &pMgmt->dnodeEps->eps[i];
+  for (int32_t i = 0; i < numOfEps; i++) {
+    SDnodeEp *pDnodeEp = taosArrayGet(pDnodeEps, i);
     taosHashPut(pMgmt->dnodeHash, &pDnodeEp->id, sizeof(int32_t), pDnodeEp, sizeof(SDnodeEp));
   }
 
@@ -178,6 +174,12 @@ static bool dndIsEpChanged(SDnode *pDnode, int32_t dnodeId, char *pEp) {
 static int32_t dndReadDnodes(SDnode *pDnode) {
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
 
+  pMgmt->pDnodeEps = taosArrayInit(1, sizeof(SDnodeEp));
+  if (pMgmt->pDnodeEps == NULL) {
+    dError("failed to calloc dnodeEp array since %s", strerror(errno));
+    goto PRASE_DNODE_OVER;
+  }
+
   int32_t code = TSDB_CODE_DND_DNODE_READ_FILE_ERROR;
   int32_t len = 0;
   int32_t maxLen = 256 * 1024;
@@ -238,18 +240,11 @@ static int32_t dndReadDnodes(SDnode *pDnode) {
     goto PRASE_DNODE_OVER;
   }
 
-  pMgmt->dnodeEps = calloc(1, numOfDnodes * sizeof(SDnodeEp) + sizeof(SDnodeEps));
-  if (pMgmt->dnodeEps == NULL) {
-    dError("failed to calloc dnodeEpList since %s", strerror(errno));
-    goto PRASE_DNODE_OVER;
-  }
-  pMgmt->dnodeEps->num = numOfDnodes;
-
   for (int32_t i = 0; i < numOfDnodes; ++i) {
     cJSON *node = cJSON_GetArrayItem(dnodes, i);
     if (node == NULL) break;
 
-    SDnodeEp *pDnodeEp = &pMgmt->dnodeEps->eps[i];
+    SDnodeEp dnodeEp = {0};
 
     cJSON *did = cJSON_GetObjectItem(node, "id");
     if (!did || did->type != cJSON_Number) {
@@ -257,14 +252,14 @@ static int32_t dndReadDnodes(SDnode *pDnode) {
       goto PRASE_DNODE_OVER;
     }
 
-    pDnodeEp->id = dnodeId->valueint;
+    dnodeEp.id = dnodeId->valueint;
 
     cJSON *dnodeFqdn = cJSON_GetObjectItem(node, "fqdn");
     if (!dnodeFqdn || dnodeFqdn->type != cJSON_String || dnodeFqdn->valuestring == NULL) {
       dError("failed to read %s since dnodeFqdn not found", pMgmt->file);
       goto PRASE_DNODE_OVER;
     }
-    tstrncpy(pDnodeEp->ep.fqdn, dnodeFqdn->valuestring, TSDB_FQDN_LEN);
+    tstrncpy(dnodeEp.ep.fqdn, dnodeFqdn->valuestring, TSDB_FQDN_LEN);
 
     cJSON *dnodePort = cJSON_GetObjectItem(node, "port");
     if (!dnodePort || dnodePort->type != cJSON_Number) {
@@ -272,14 +267,16 @@ static int32_t dndReadDnodes(SDnode *pDnode) {
       goto PRASE_DNODE_OVER;
     }
 
-    pDnodeEp->ep.port = dnodePort->valueint;
+    dnodeEp.ep.port = dnodePort->valueint;
 
     cJSON *isMnode = cJSON_GetObjectItem(node, "isMnode");
     if (!isMnode || isMnode->type != cJSON_Number) {
       dError("failed to read %s since isMnode not found", pMgmt->file);
       goto PRASE_DNODE_OVER;
     }
-    pDnodeEp->isMnode = isMnode->valueint;
+    dnodeEp.isMnode = isMnode->valueint;
+
+    taosArrayPush(pMgmt->pDnodeEps, &dnodeEp);
   }
 
   code = 0;
@@ -296,15 +293,14 @@ PRASE_DNODE_OVER:
     return -1;
   }
 
-  if (pMgmt->dnodeEps == NULL) {
-    pMgmt->dnodeEps = calloc(1, sizeof(SDnodeEps) + sizeof(SDnodeEp));
-    pMgmt->dnodeEps->num = 1;
-    pMgmt->dnodeEps->eps[0].isMnode = 1;
-
-    taosGetFqdnPortFromEp(pDnode->cfg.firstEp, &(pMgmt->dnodeEps->eps[0].ep));
+  if (taosArrayGetSize(pMgmt->pDnodeEps) == 0) {
+    SDnodeEp dnodeEp = {0};
+    dnodeEp.isMnode = 1;
+    taosGetFqdnPortFromEp(pDnode->cfg.firstEp, &dnodeEp.ep);
+    taosArrayPush(pMgmt->pDnodeEps, &dnodeEp);
   }
 
-  dndResetDnodes(pDnode, pMgmt->dnodeEps);
+  dndResetDnodes(pDnode, pMgmt->pDnodeEps);
 
   terrno = 0;
   return 0;
@@ -329,13 +325,15 @@ static int32_t dndWriteDnodes(SDnode *pDnode) {
   len += snprintf(content + len, maxLen - len, "  \"clusterId\": \"%" PRId64 "\",\n", pMgmt->clusterId);
   len += snprintf(content + len, maxLen - len, "  \"dropped\": %d,\n", pMgmt->dropped);
   len += snprintf(content + len, maxLen - len, "  \"dnodes\": [{\n");
-  for (int32_t i = 0; i < pMgmt->dnodeEps->num; ++i) {
-    SDnodeEp *pDnodeEp = &pMgmt->dnodeEps->eps[i];
+
+  int32_t numOfEps = (int32_t)taosArrayGetSize(pMgmt->pDnodeEps);
+  for (int32_t i = 0; i < numOfEps; ++i) {
+    SDnodeEp *pDnodeEp = taosArrayGet(pMgmt->pDnodeEps, i);
     len += snprintf(content + len, maxLen - len, "    \"id\": %d,\n", pDnodeEp->id);
     len += snprintf(content + len, maxLen - len, "    \"fqdn\": \"%s\",\n", pDnodeEp->ep.fqdn);
     len += snprintf(content + len, maxLen - len, "    \"port\": %u,\n", pDnodeEp->ep.port);
     len += snprintf(content + len, maxLen - len, "    \"isMnode\": %d\n", pDnodeEp->isMnode);
-    if (i < pMgmt->dnodeEps->num - 1) {
+    if (i < numOfEps - 1) {
       len += snprintf(content + len, maxLen - len, "  },{\n");
     } else {
       len += snprintf(content + len, maxLen - len, "  }]\n");
@@ -385,6 +383,7 @@ void dndSendStatusReq(SDnode *pDnode) {
   void   *pHead = rpcMallocCont(contLen);
   void   *pBuf = pHead;
   tSerializeSStatusReq(&pBuf, &req);
+  taosArrayDestroy(req.pVloads);
 
   SRpcMsg rpcMsg = {.pCont = pHead, .contLen = contLen, .msgType = TDMT_MND_STATUS, .ahandle = (void *)9527};
   pMgmt->statusSent = 1;
@@ -405,18 +404,20 @@ static void dndUpdateDnodeCfg(SDnode *pDnode, SDnodeCfg *pCfg) {
   }
 }
 
-static void dndUpdateDnodeEps(SDnode *pDnode, SDnodeEps *pDnodeEps) {
-  if (pDnodeEps == NULL || pDnodeEps->num <= 0) return;
+static void dndUpdateDnodeEps(SDnode *pDnode, SArray *pDnodeEps) {
+  int32_t numOfEps = taosArrayGetSize(pDnodeEps);
+  if (numOfEps <= 0) return;
 
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
   taosWLockLatch(&pMgmt->latch);
 
-  if (pDnodeEps->num != pMgmt->dnodeEps->num) {
+  int32_t numOfEpsOld = (int32_t)taosArrayGetSize(pMgmt->pDnodeEps);
+  if (numOfEps != numOfEpsOld) {
     dndResetDnodes(pDnode, pDnodeEps);
     dndWriteDnodes(pDnode);
   } else {
-    int32_t size = pDnodeEps->num * sizeof(SDnodeEp) + sizeof(SDnodeEps);
-    if (memcmp(pMgmt->dnodeEps, pDnodeEps, size) != 0) {
+    int32_t size = numOfEps * sizeof(SDnodeEp);
+    if (memcmp(pMgmt->pDnodeEps->pData, pDnodeEps->pData, size) != 0) {
       dndResetDnodes(pDnode, pDnodeEps);
       dndWriteDnodes(pDnode);
     }
@@ -429,33 +430,21 @@ static void dndProcessStatusRsp(SDnode *pDnode, SRpcMsg *pRsp) {
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
 
   if (pRsp->code != TSDB_CODE_SUCCESS) {
-    pMgmt->statusSent = 0;
     if (pRsp->code == TSDB_CODE_MND_DNODE_NOT_EXIST && !pMgmt->dropped && pMgmt->dnodeId > 0) {
       dInfo("dnode:%d, set to dropped since not exist in mnode", pMgmt->dnodeId);
       pMgmt->dropped = 1;
       dndWriteDnodes(pDnode);
     }
-    return;
-  }
-
-  if (pRsp->pCont != NULL && pRsp->contLen != 0) {
-    SStatusRsp *pStatus = pRsp->pCont;
-    pMgmt->dver = htobe64(pStatus->dver);
-
-    SDnodeCfg *pCfg = &pStatus->dnodeCfg;
-    pCfg->dnodeId = htonl(pCfg->dnodeId);
-    pCfg->clusterId = htobe64(pCfg->clusterId);
-    dndUpdateDnodeCfg(pDnode, pCfg);
-
-    SDnodeEps *pDnodeEps = &pStatus->dnodeEps;
-    pDnodeEps->num = htonl(pDnodeEps->num);
-    for (int32_t i = 0; i < pDnodeEps->num; ++i) {
-      pDnodeEps->eps[i].id = htonl(pDnodeEps->eps[i].id);
-      pDnodeEps->eps[i].ep.port = htons(pDnodeEps->eps[i].ep.port);
+  } else {
+    SStatusRsp statusRsp = {0};
+    if (pRsp->pCont != NULL && pRsp->contLen != 0 && tDeserializeSStatusRsp(pRsp->pCont, &statusRsp) != NULL) {
+      pMgmt->dver = statusRsp.dver;
+      dndUpdateDnodeCfg(pDnode, &statusRsp.dnodeCfg);
+      dndUpdateDnodeEps(pDnode, statusRsp.pDnodeEps);
     }
-
-    dndUpdateDnodeEps(pDnode, pDnodeEps);
+    taosArrayDestroy(statusRsp.pDnodeEps);
   }
+
   pMgmt->statusSent = 0;
 }
 
@@ -570,9 +559,9 @@ void dndCleanupMgmt(SDnode *pDnode) {
   SDnodeMgmt *pMgmt = &pDnode->dmgmt;
   taosWLockLatch(&pMgmt->latch);
 
-  if (pMgmt->dnodeEps != NULL) {
-    free(pMgmt->dnodeEps);
-    pMgmt->dnodeEps = NULL;
+  if (pMgmt->pDnodeEps != NULL) {
+    taosArrayDestroy(pMgmt->pDnodeEps);
+    pMgmt->pDnodeEps = NULL;
   }
 
   if (pMgmt->dnodeHash != NULL) {
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index 811e22b92d..c7a2724a44 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -244,7 +244,7 @@ bool mndIsDnodeOnline(SMnode *pMnode, SDnodeObj *pDnode, int64_t curMs) {
   return true;
 }
 
-static void mndGetDnodeData(SMnode *pMnode, SDnodeEps *pEps, int32_t maxEps) {
+static void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps) {
   SSdb *pSdb = pMnode->pSdb;
 
   int32_t numOfEps = 0;
@@ -253,25 +253,20 @@ static void mndGetDnodeData(SMnode *pMnode, SDnodeEps *pEps, int32_t maxEps) {
     SDnodeObj *pDnode = NULL;
     pIter = sdbFetch(pSdb, SDB_DNODE, pIter, (void **)&pDnode);
     if (pIter == NULL) break;
-    if (numOfEps >= maxEps) {
-      sdbCancelFetch(pSdb, pIter);
-      sdbRelease(pSdb, pDnode);
-      break;
-    }
 
-    SDnodeEp *pEp = &pEps->eps[numOfEps];
-    pEp->id = htonl(pDnode->id);
-    pEp->ep.port = htons(pDnode->port);
-    memcpy(pEp->ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
-    pEp->isMnode = 0;
+    SDnodeEp dnodeEp = {0};
+    dnodeEp.id = pDnode->id;
+    dnodeEp.isMnode = 0;
+    dnodeEp.ep.port = pDnode->port;
+    memcpy(dnodeEp.ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
+
     if (mndIsMnode(pMnode, pDnode->id)) {
-      pEp->isMnode = 1;
+      dnodeEp.isMnode = 1;
     }
-    numOfEps++;
-    sdbRelease(pSdb, pDnode);
-  }
 
-  pEps->num = htonl(numOfEps);
+    sdbRelease(pSdb, pDnode);
+    taosArrayPush(pDnodeEps, &dnodeEp);
+  }
 }
 
 static int32_t mndCheckClusterCfgPara(SMnode *pMnode, const SClusterCfg *pCfg) {
@@ -379,21 +374,26 @@ static int32_t mndProcessStatusReq(SMnodeMsg *pReq) {
     pDnode->numOfCores = statusReq.numOfCores;
     pDnode->numOfSupportVnodes = statusReq.numOfSupportVnodes;
 
-    int32_t     numOfEps = mndGetDnodeSize(pMnode);
-    int32_t     contLen = sizeof(SStatusRsp) + numOfEps * sizeof(SDnodeEp);
-    SStatusRsp *pRsp = rpcMallocCont(contLen);
-    if (pRsp == NULL) {
+    SStatusRsp statusRsp = {0};
+    statusRsp.dver = sdbGetTableVer(pMnode->pSdb, SDB_DNODE);
+    statusRsp.dnodeCfg.dnodeId = pDnode->id;
+    statusRsp.dnodeCfg.clusterId = pMnode->clusterId;
+    statusRsp.pDnodeEps = taosArrayInit(mndGetDnodeSize(pMnode), sizeof(SDnodeEp));
+    if (statusRsp.pDnodeEps == NULL) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       goto PROCESS_STATUS_MSG_OVER;
     }
 
-    pRsp->dver = htobe64(sdbGetTableVer(pMnode->pSdb, SDB_DNODE));
-    pRsp->dnodeCfg.dnodeId = htonl(pDnode->id);
-    pRsp->dnodeCfg.clusterId = htobe64(pMnode->clusterId);
-    mndGetDnodeData(pMnode, &pRsp->dnodeEps, numOfEps);
+    mndGetDnodeData(pMnode, statusRsp.pDnodeEps);
+
+    int32_t contLen = tSerializeSStatusRsp(NULL, &statusRsp);
+    void   *pHead = rpcMallocCont(contLen);
+    void   *pBuf = pHead;
+    tSerializeSStatusRsp(&pBuf, &statusRsp);
+    taosArrayDestroy(statusRsp.pDnodeEps);
 
     pReq->contLen = contLen;
-    pReq->pCont = pRsp;
+    pReq->pCont = pHead;
   }
 
   pDnode->lastAccessTime = curMs;
@@ -401,6 +401,7 @@ static int32_t mndProcessStatusReq(SMnodeMsg *pReq) {
 
 PROCESS_STATUS_MSG_OVER:
   mndReleaseDnode(pMnode, pDnode);
+  taosArrayDestroy(statusReq.pVloads);
   return code;
 }
 
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 3ddea2290e..2b61ae7176 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -592,8 +592,8 @@ CREATE_STB_OVER:
   mndReleaseStb(pMnode, pStb);
   mndReleaseStb(pMnode, pTopicStb);
   mndReleaseDb(pMnode, pDb);
-  taosArrayClear(createReq.pColumns);
-  taosArrayClear(createReq.pTags);
+  taosArrayDestroy(createReq.pColumns);
+  taosArrayDestroy(createReq.pTags);
 
   return code;
 }
@@ -1049,7 +1049,7 @@ ALTER_STB_OVER:
 
   mndReleaseStb(pMnode, pStb);
   mndReleaseDb(pMnode, pDb);
-  taosArrayClear(alterReq.pFields);
+  taosArrayDestroy(alterReq.pFields);
 
   return code;
 }
diff --git a/source/libs/parser/src/astToMsg.c b/source/libs/parser/src/astToMsg.c
index e1828b6a26..99ec096de9 100644
--- a/source/libs/parser/src/astToMsg.c
+++ b/source/libs/parser/src/astToMsg.c
@@ -276,6 +276,8 @@ char* buildCreateStbReq(SCreateTableSql* pCreateTableSql, int32_t* len, SParseCo
 
   void* buf = req;
   tSerializeSMCreateStbReq(&buf, &createReq);
+  taosArrayDestroy(createReq.pColumns);
+  taosArrayDestroy(createReq.pTags);
   *len = tlen;
   return req;
 }
diff --git a/source/libs/transport/src/rpcMain.c b/source/libs/transport/src/rpcMain.c
index d8ef0462fb..f5e9153098 100644
--- a/source/libs/transport/src/rpcMain.c
+++ b/source/libs/transport/src/rpcMain.c
@@ -1383,7 +1383,7 @@ static void rpcSendMsgToPeer(SRpcConn *pConn, void *msg, int msgLen) {
 static void rpcProcessConnError(void *param, void *id) {
   SRpcReqContext *pContext = (SRpcReqContext *)param;
   SRpcInfo *      pRpc = pContext->pRpc;
-  SRpcMsg         rpcMsg;
+  SRpcMsg         rpcMsg = {0};
 
   if (pRpc == NULL) {
     return;