diff --git a/internal/msg_transfer/logic/online_history_msg_handler.go b/internal/msg_transfer/logic/online_history_msg_handler.go
index 7e4026088..f714eaa5c 100644
--- a/internal/msg_transfer/logic/online_history_msg_handler.go
+++ b/internal/msg_transfer/logic/online_history_msg_handler.go
@@ -388,6 +388,9 @@ func (OnlineHistoryConsumerHandler) Cleanup(_ sarama.ConsumerGroupSession) error
 
 func (och *OnlineHistoryConsumerHandler) ConsumeClaim(sess sarama.ConsumerGroupSession,
 	claim sarama.ConsumerGroupClaim) error { // a instance in the consumer group
+	if sess == nil {
+		time.Sleep(100 * time.Millisecond)
+	}
 	log.NewDebug("", "online new session msg come", claim.HighWaterMarkOffset(), claim.Topic(), claim.Partition())
 	cMsg := make([]*sarama.ConsumerMessage, 0, 1000)
 	t := time.NewTicker(time.Duration(100) * time.Millisecond)