diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index 6d44d55d25..cbc8e1e099 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -1886,6 +1886,7 @@ static int32_t doBuildStreamTaskUpdateMsg(void **pBuf, int32_t *pLen, SVgroupCha
   tEncodeSize(tEncodeStreamTaskUpdateMsg, &req, blen, code);
   if (code < 0) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
+    taosArrayDestroy(req.pNodeList);
     return -1;
   }
 
@@ -1894,6 +1895,7 @@ static int32_t doBuildStreamTaskUpdateMsg(void **pBuf, int32_t *pLen, SVgroupCha
   void *buf = taosMemoryMalloc(tlen);
   if (buf == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
+    taosArrayDestroy(req.pNodeList);
     return -1;
   }
 
@@ -1911,6 +1913,7 @@ static int32_t doBuildStreamTaskUpdateMsg(void **pBuf, int32_t *pLen, SVgroupCha
   *pBuf = buf;
   *pLen = tlen;
 
+  taosArrayDestroy(req.pNodeList);
   return TSDB_CODE_SUCCESS;
 }
 
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index c066aaab18..63dcce67d0 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1692,6 +1692,7 @@ int32_t tqProcessTaskUpdateReq(STQ* pTq, SRpcMsg* pMsg) {
             req.taskId);
     rsp.code = TSDB_CODE_SUCCESS;
     taosWUnLockLatch(&pMeta->lock);
+    taosArrayDestroy(req.pNodeList);
     return rsp.code;
   }
 
@@ -1764,12 +1765,14 @@ int32_t tqProcessTaskUpdateReq(STQ* pTq, SRpcMsg* pMsg) {
       if (code != 0) {
         tqError("vgId:%d failed to reopen stream meta", vgId);
         taosWUnLockLatch(&pMeta->lock);
+        taosArrayDestroy(req.pNodeList);
         return -1;
       }
 
       if (streamMetaLoadAllTasks(pTq->pStreamMeta) < 0) {
         tqError("vgId:%d failed to load stream tasks", vgId);
         taosWUnLockLatch(&pMeta->lock);
+        taosArrayDestroy(req.pNodeList);
         return -1;
       }
 
@@ -1786,5 +1789,6 @@ int32_t tqProcessTaskUpdateReq(STQ* pTq, SRpcMsg* pMsg) {
     }
   }
 
+  taosArrayDestroy(req.pNodeList);
   return rsp.code;
 }