diff --git a/source/libs/qworker/src/qworker.c b/source/libs/qworker/src/qworker.c
index 02af06dda8..b9ef6f8504 100644
--- a/source/libs/qworker/src/qworker.c
+++ b/source/libs/qworker/src/qworker.c
@@ -547,7 +547,7 @@ int32_t qwGenerateSchHbRsp(SQWorkerMgmt *mgmt, SQWSchStatus *sch, SQWHbInfo *hbI
   void *pIter = taosHashIterate(sch->tasksHash, NULL);
   while (pIter) {
     SQWTaskStatus *taskStatus = (SQWTaskStatus *)pIter;
-    taosHashGetKey(pIter, &key, &keyLen);
+    key = taosHashGetKey(pIter, &keyLen);
 
     //TODO GET EXECUTOR API TO GET MORE INFO
 
@@ -1372,6 +1372,9 @@ int32_t qwProcessHb(SQWorkerMgmt *mgmt, SQWMsg *qwMsg, SSchedulerHbReq *req) {
 
   rsp.seqId = sch->hbSeqId;
 
+  QW_DLOG("hb connection updated, seqId:%" PRIx64 ", sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, connection:%p",
+    sch->hbSeqId, req->sId, req->epId.nodeId, req->epId.ep.fqdn, req->epId.ep.port, qwMsg->connection);
+
   qwReleaseScheduler(QW_READ, mgmt);
 
 _return:
@@ -1383,6 +1386,8 @@ _return:
 
 
 void qwProcessHbTimerEvent(void *param, void *tmrId) {
+  return;
+  
   SQWorkerMgmt *mgmt = (SQWorkerMgmt *)param;
   SQWSchStatus *sch = NULL;
   int32_t taskNum = 0;
@@ -1427,6 +1432,7 @@ _return:
   QW_UNLOCK(QW_READ, &mgmt->schLock);
 
   for (int32_t j = 0; j < i; ++j) {
+    QW_DLOG("hb on connection %p, taskNum:%d", rspList[j].connection, (rspList[j].rsp.taskStatus ? (int32_t)taosArrayGetSize(rspList[j].rsp.taskStatus) : 0));
     qwBuildAndSendHbRsp(rspList[j].connection, &rspList[j].rsp, code);
     tFreeSSchedulerHbRsp(&rspList[j].rsp);
   }
diff --git a/source/libs/scheduler/src/scheduler.c b/source/libs/scheduler/src/scheduler.c
index 11dcf478b8..63c634a384 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -639,6 +639,9 @@ int32_t schUpdateHbConnection(SQueryNodeEpId *epId, SSchHbTrans *trans) {
         SCH_ERR_RET(code);
       }
 
+      qDebug("hb connection updated, seqId:%" PRIx64 ", sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, instance:%p, connection:%p",
+        trans->seqId, schMgmt.sId, epId->nodeId, epId->ep.fqdn, epId->ep.port, trans->trans.transInst, trans->trans.transHandle);
+      
       return TSDB_CODE_SUCCESS;
     }
 
@@ -659,6 +662,9 @@ int32_t schUpdateHbConnection(SQueryNodeEpId *epId, SSchHbTrans *trans) {
   memcpy(&hb->trans, &trans->trans, sizeof(trans->trans));
 
   SCH_UNLOCK(SCH_WRITE, &hb->lock);
+
+  qDebug("hb connection updated, seqId:%" PRIx64 ", sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, instance:%p, connection:%p",
+    trans->seqId, schMgmt.sId, epId->nodeId, epId->ep.fqdn, epId->ep.port, trans->trans.transInst, trans->trans.transHandle);
   
   return TSDB_CODE_SUCCESS;
 }