diff --git a/internal/rpc/msg/as_read.go b/internal/rpc/msg/as_read.go
index 312c4d556..e13e017e5 100644
--- a/internal/rpc/msg/as_read.go
+++ b/internal/rpc/msg/as_read.go
@@ -109,7 +109,7 @@ func (m *msgServer) MarkMsgsAsRead(ctx context.Context, req *msg.MarkMsgsAsReadR
 		return nil, err
 	}
 	currentHasReadSeq, err := m.MsgDatabase.GetHasReadSeq(ctx, req.UserID, req.ConversationID)
-	if err != nil && errors.Is(err, redis.Nil) {
+	if err != nil && !errors.Is(err, redis.Nil) {
 		return nil, err
 	}
 	if hasReadSeq > currentHasReadSeq {
diff --git a/internal/rpc/msg/seq.go b/internal/rpc/msg/seq.go
index ddf84a267..7f5fa1adb 100644
--- a/internal/rpc/msg/seq.go
+++ b/internal/rpc/msg/seq.go
@@ -24,7 +24,7 @@ import (
 
 func (m *msgServer) GetConversationMaxSeq(ctx context.Context, req *pbmsg.GetConversationMaxSeqReq) (*pbmsg.GetConversationMaxSeqResp, error) {
 	maxSeq, err := m.MsgDatabase.GetMaxSeq(ctx, req.ConversationID)
-	if err != nil && errors.Is(err, redis.Nil) {
+	if err != nil && !errors.Is(err, redis.Nil) {
 		return nil, err
 	}
 	return &pbmsg.GetConversationMaxSeqResp{MaxSeq: maxSeq}, nil
diff --git a/pkg/common/storage/controller/msg.go b/pkg/common/storage/controller/msg.go
index 789adb1f6..cdc8fd888 100644
--- a/pkg/common/storage/controller/msg.go
+++ b/pkg/common/storage/controller/msg.go
@@ -372,7 +372,7 @@ func (db *commonMsgDatabase) getMsgBySeqsRange(ctx context.Context, userID strin
 // This ensures that their message retrieval starts from the point they joined.
 func (db *commonMsgDatabase) GetMsgBySeqsRange(ctx context.Context, userID string, conversationID string, begin, end, num, userMaxSeq int64) (int64, int64, []*sdkws.MsgData, error) {
 	userMinSeq, err := db.seqUser.GetUserMinSeq(ctx, conversationID, userID)
-	if err != nil && errors.Is(err, redis.Nil) {
+	if err != nil && !errors.Is(err, redis.Nil) {
 		return 0, 0, nil, err
 	}
 	minSeq, err := db.seqConversation.GetMinSeq(ctx, conversationID)