diff --git a/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c b/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
index 08fd632831..e80cdf0471 100644
--- a/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
+++ b/source/dnode/mgmt/mgmt_dnode/src/dmHandle.c
@@ -165,11 +165,16 @@ void dmSendStatusReq(SDnodeMgmt *pMgmt) {
   (void)taosThreadRwlockUnlock(&pMgmt->pData->lock);
 
   dDebug("send status req to mnode, statusSeq:%d, begin to get vnode loads", pMgmt->statusSeq);
-  (void)taosThreadMutexLock(&pMgmt->pData->statusInfolock);
-  req.pVloads = taosArrayDup(tsVinfo.pVloads, NULL);
-  taosArrayDestroy(tsVinfo.pVloads);
+  if (taosThreadMutexLock(&pMgmt->pData->statusInfolock) != 0) {
+    dError("failed to lock status info lock");
+    return;
+  }
+  taosArraySwap(req.pVloads, tsVinfo.pVloads);
   tsVinfo.pVloads = NULL;
-  (void)taosThreadMutexUnlock(&pMgmt->pData->statusInfolock);
+  if (taosThreadMutexUnlock(&pMgmt->pData->statusInfolock) != 0) {
+    dError("failed to unlock status info lock");
+    return;
+  }
 
   dDebug("send status req to mnode, statusSeq:%d, begin to get mnode loads", pMgmt->statusSeq);
   SMonMloadInfo minfo = {0};
@@ -239,10 +244,20 @@ void dmUpdateStatusInfo(SDnodeMgmt *pMgmt) {
   SMonVloadInfo vinfo = {0};
   dDebug("begin to get vnode loads");
   (*pMgmt->getVnodeLoadsFp)(&vinfo);
-  (void)taosThreadMutexLock(&pMgmt->pData->statusInfolock);
-  if (tsVinfo.pVloads == NULL) tsVinfo.pVloads = taosArrayDup(vinfo.pVloads, NULL);
-  taosArrayDestroy(vinfo.pVloads);
-  (void)taosThreadMutexUnlock(&pMgmt->pData->statusInfolock);
+  if (taosThreadMutexLock(&pMgmt->pData->statusInfolock) != 0) {
+    dError("failed to lock status info lock");
+    return;
+  }
+  if (tsVinfo.pVloads == NULL) {
+    taosArraySwap(tsVinfo.pVloads, vinfo.pVloads);
+  } else {
+    taosArrayDestroy(vinfo.pVloads);
+    vinfo.pVloads = NULL;
+  }
+  if (taosThreadMutexUnlock(&pMgmt->pData->statusInfolock) != 0) {
+    dError("failed to unlock status info lock");
+    return;
+  }
 }
 
 void dmSendNotifyReq(SDnodeMgmt *pMgmt, SNotifyReq *pReq) {