diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 56d0148272..d08cabd27e 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -1228,7 +1228,7 @@ int32_t tmqPollCb(void* param, SDataBuf* pMsg, int32_t code) {
 
     // in case of consumer mismatch, wait for 500ms and retry
     if (code == TSDB_CODE_TMQ_CONSUMER_MISMATCH) {
-      taosMsleep(500);
+//      taosMsleep(500);
       atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__RECOVER);
     } else if (code == TSDB_CODE_TQ_NO_COMMITTED_OFFSET) {
       SMqPollRspWrapper* pRspWrapper = taosAllocateQitem(sizeof(SMqPollRspWrapper), DEF_QITEM, 0);
@@ -1918,6 +1918,7 @@ TAOS_RES* tmq_consumer_poll(tmq_t* tmq, int64_t timeout) {
   // in no topic status, delayed task also need to be processed
   if (atomic_load_8(&tmq->status) == TMQ_CONSUMER_STATUS__INIT) {
     tscDebug("consumer:0x%" PRIx64 " poll return since consumer is init", tmq->consumerId);
+    // sleep for a while
     return NULL;
   }