From 3d7090e2f698cb08515871f4ce572d4fa62d7111 Mon Sep 17 00:00:00 2001
From: withchao <993506633@qq.com>
Date: Mon, 15 Jul 2024 11:05:34 +0800
Subject: [PATCH] fix: GetMsgDocModelByIndex bug

---
 pkg/common/storage/database/mgo/msg.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/common/storage/database/mgo/msg.go b/pkg/common/storage/database/mgo/msg.go
index 04aa59cef..ebabadf52 100644
--- a/pkg/common/storage/database/mgo/msg.go
+++ b/pkg/common/storage/database/mgo/msg.go
@@ -205,7 +205,7 @@ func (m *MsgMgo) GetMsgDocModelByIndex(ctx context.Context, conversationID strin
 	if sort != 1 && sort != -1 {
 		return nil, errs.ErrArgs.WrapMsg("mongo sort must be 1 or -1")
 	}
-	opt := options.Find().SetLimit(1).SetSkip(index).SetSort(bson.M{"doc_id": sort}).SetLimit(1)
+	opt := options.Find().SetSkip(index).SetSort(bson.M{"_id": sort}).SetLimit(1)
 	filter := bson.M{"doc_id": primitive.Regex{Pattern: fmt.Sprintf("^%s:", conversationID)}}
 	msgs, err := mongoutil.Find[*model.MsgDocModel](ctx, m.coll, filter, opt)
 	if err != nil {