diff --git a/internal/rpc/msg/as_read.go b/internal/rpc/msg/as_read.go
index a5794b975..1bde4f0e7 100644
--- a/internal/rpc/msg/as_read.go
+++ b/internal/rpc/msg/as_read.go
@@ -2,11 +2,14 @@ package msg
 
 import (
 	"context"
+	"errors"
 
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/proto/msg"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/proto/sdkws"
+	"github.com/go-redis/redis/v8"
 )
 
 func (m *msgServer) GetConversationsHasReadAndMaxSeq(ctx context.Context, req *msg.GetConversationsHasReadAndMaxSeqReq) (*msg.GetConversationsHasReadAndMaxSeqResp, error) {
@@ -64,9 +67,10 @@ func (m *msgServer) MarkMsgsAsRead(ctx context.Context, req *msg.MarkMsgsAsReadR
 
 func (m *msgServer) MarkConversationAsRead(ctx context.Context, req *msg.MarkConversationAsReadReq) (resp *msg.MarkConversationAsReadResp, err error) {
 	hasReadSeq, err := m.MsgDatabase.GetHasReadSeq(ctx, req.UserID, req.ConversationID)
-	if err != nil {
+	if err != nil && errors.Unwrap(err) != redis.Nil {
 		return
 	}
+	log.ZDebug(ctx, "MarkConversationAsRead", "hasReadSeq", hasReadSeq, "req.HasReadSeq", req.HasReadSeq)
 	var seqs []int64
 	for i := hasReadSeq + 1; i <= req.HasReadSeq; i++ {
 		seqs = append(seqs, i)
@@ -75,6 +79,7 @@ func (m *msgServer) MarkConversationAsRead(ctx context.Context, req *msg.MarkCon
 	if err != nil {
 		return
 	}
+	log.ZDebug(ctx, "MarkConversationAsRead", "seqs", seqs, "conversationID", req.ConversationID)
 	if err = m.MsgDatabase.MarkSingleChatMsgsAsRead(ctx, req.ConversationID, req.UserID, seqs); err != nil {
 		return
 	}
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 25f3f660e..37bb17b2e 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -310,6 +310,7 @@ func (db *commonMsgDatabase) MarkSingleChatMsgsAsRead(ctx context.Context, userI
 		for _, seq := range seqs {
 			indexes = append(indexes, db.msg.GetMsgIndex(seq))
 		}
+		log.ZDebug(ctx, "MarkSingleChatMsgsAsRead", "userID", userID, "docID", docID, "indexes", indexes)
 		if err := db.msgDocDatabase.MarkSingleChatMsgsAsRead(ctx, userID, docID, indexes); err != nil {
 			log.ZError(ctx, "MarkSingleChatMsgsAsRead", err, "userID", userID, "docID", docID, "indexes", indexes)
 			return err