From 1fda2e5135b5ab23935e00dd1c8ac7da40fa3b19 Mon Sep 17 00:00:00 2001
From: Gordon <1432970085@qq.com>
Date: Fri, 20 May 2022 18:46:19 +0800
Subject: [PATCH] concurrent consumption of messages

---
 pkg/common/db/batch_insert_chat.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkg/common/db/batch_insert_chat.go b/pkg/common/db/batch_insert_chat.go
index c7fd581fa..e11bb9dba 100644
--- a/pkg/common/db/batch_insert_chat.go
+++ b/pkg/common/db/batch_insert_chat.go
@@ -28,8 +28,11 @@ func (d *DataBases) BatchInsertChat(userID string, msgList []*pbMsg.MsgDataToMQ,
 	} else {
 		return utils.Wrap(err, "")
 	}
-
-	remain := uint64(GetSingleGocMsgNum()) - (currentMaxSeq % uint64(GetSingleGocMsgNum()))
+	var remain uint64
+	if currentMaxSeq < uint64(GetSingleGocMsgNum()) {
+		remain = uint64(GetSingleGocMsgNum()-1) - (currentMaxSeq % uint64(GetSingleGocMsgNum()))
+	}
+	remain = uint64(GetSingleGocMsgNum()) - (currentMaxSeq % uint64(GetSingleGocMsgNum()))
 	insertCounter := uint64(0)
 	msgListToMongo := make([]MsgInfo, 0)
 	msgListToMongoNext := make([]MsgInfo, 0)