diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 6072b8312192bbb6109cc7f55672e79f3a202f56..1070f65284305210a9ae81b568e0efe8717d84a2 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -6227,6 +6227,7 @@ static SQInfo *createQInfoImpl(SQueryTableMsg *pQueryMsg, SSqlGroupbyExpr *pGrou
   // NOTE: pTableCheckInfo need to update the query time range and the lastKey info
   pQInfo->arrTableIdInfo = taosArrayInit(tableIndex, sizeof(STableIdInfo));
   pQInfo->dataReady = QUERY_RESULT_NOT_READY;
+  pQInfo->rspContext = NULL;
   pthread_mutex_init(&pQInfo->lock, NULL);
 
   pQuery->pos = -1;
@@ -6761,6 +6762,7 @@ int32_t qRetrieveQueryResultInfo(qinfo_t qinfo, bool* buildRes, void* pRspContex
   SQInfo *pQInfo = (SQInfo *)qinfo;
 
   if (pQInfo == NULL || !isValidQInfo(pQInfo)) {
+    qError("QInfo:%p invalid qhandle", pQInfo);
     return TSDB_CODE_QRY_INVALID_QHANDLE;
   }
 
@@ -6773,6 +6775,8 @@ int32_t qRetrieveQueryResultInfo(qinfo_t qinfo, bool* buildRes, void* pRspContex
 
   int32_t code = TSDB_CODE_SUCCESS;
   pthread_mutex_lock(&pQInfo->lock);
+  assert(pQInfo->rspContext == NULL);
+
   if (pQInfo->dataReady == QUERY_RESULT_READY) {
     *buildRes = true;
     qDebug("QInfo:%p retrieve result info, rowsize:%d, rows:%"PRId64", code:%d", pQInfo, pQuery->rowSize, pQuery->rec.rows,
@@ -6781,6 +6785,7 @@ int32_t qRetrieveQueryResultInfo(qinfo_t qinfo, bool* buildRes, void* pRspContex
     *buildRes = false;
     qDebug("QInfo:%p retrieve req set query return result after paused", pQInfo);
     pQInfo->rspContext = pRspContext;
+    assert(pQInfo->rspContext != NULL);
   }
 
   code = pQInfo->code;
diff --git a/src/vnode/src/vnodeRead.c b/src/vnode/src/vnodeRead.c
index 79e69b97a1491b3e4b971ac767b5ccb02e5a8cff..a610a8b0df2e43b11356cb4af9ebba5809ba9c62 100644
--- a/src/vnode/src/vnodeRead.c
+++ b/src/vnode/src/vnodeRead.c
@@ -295,6 +295,8 @@ static int32_t vnodeProcessFetchMsg(SVnodeObj *pVnode, SReadMsg *pReadMsg) {
     freeHandle = true;
   } else {  // result is not ready, return immediately
     if (!buildRes) {
+      assert(pReadMsg->rpcMsg.handle != NULL);
+
       qReleaseQInfo(pVnode->qMgmt, (void **)&handle, false);
       return TSDB_CODE_QRY_NOT_READY;
     }