diff --git a/internal/msg_transfer/logic/online_history_msg_handler.go b/internal/msg_transfer/logic/online_history_msg_handler.go
index 7105c08c2..2a84e5a63 100644
--- a/internal/msg_transfer/logic/online_history_msg_handler.go
+++ b/internal/msg_transfer/logic/online_history_msg_handler.go
@@ -226,12 +226,15 @@ func (och *OnlineHistoryConsumerHandler) MessagesDistributionHandle() {
 					if oldM, ok := och.UserAggregationMsgs[string(consumerMessages[i].Key)]; ok {
 						oldM = append(oldM, &msgFromMQ)
 						och.UserAggregationMsgs[string(consumerMessages[i].Key)] = oldM
+						log.Debug(operationID, "consumerMessages key  ", string(consumerMessages[i].Key), oldM)
 					} else {
 						m := make([]*pbMsg.MsgDataToMQ, 100)
 						m = append(m, &msgFromMQ)
 						och.UserAggregationMsgs[string(consumerMessages[i].Key)] = m
+						log.Debug(operationID, "consumerMessages key  ", string(consumerMessages[i].Key), m)
 					}
 				}
+				log.Debug(operationID, "UserAggregationMsgs len ", len(och.UserAggregationMsgs))
 				for userID, v := range och.UserAggregationMsgs {
 					if len(v) >= 0 {
 						channelID := getHashCode(userID) % ChannelNum