diff --git a/go.mod b/go.mod
index 6e2dab0e4..d0c3adfa6 100644
--- a/go.mod
+++ b/go.mod
@@ -176,4 +176,4 @@ require (
 	gopkg.in/ini.v1 v1.67.0 // indirect
 )
 
-replace github.com/OpenIMSDK/protocol v0.0.31 => github.com/luhaoling/protocol v0.0.0-20231130102222-4fd608e76fe6
+replace github.com/OpenIMSDK/protocol v0.0.31 => github.com/luhaoling/protocol v0.0.0-20231201032120-22bebe035ae3
diff --git a/go.sum b/go.sum
index 5686377a5..27304cb72 100644
--- a/go.sum
+++ b/go.sum
@@ -274,8 +274,8 @@ github.com/lestrrat-go/strftime v1.0.6 h1:CFGsDEt1pOpFNU+TJB0nhz9jl+K0hZSLE205Ah
 github.com/lestrrat-go/strftime v1.0.6/go.mod h1:f7jQKgV5nnJpYgdEasS+/y7EsTb8ykN2z68n3TtcTaw=
 github.com/lithammer/shortuuid v3.0.0+incompatible h1:NcD0xWW/MZYXEHa6ITy6kaXN5nwm/V115vj2YXfhS0w=
 github.com/lithammer/shortuuid v3.0.0+incompatible/go.mod h1:FR74pbAuElzOUuenUHTK2Tciko1/vKuIKS9dSkDrA4w=
-github.com/luhaoling/protocol v0.0.0-20231130102222-4fd608e76fe6 h1:6AUtZlgujfj/7YrIJ7YTR0/F9s9BDDJWDJAaqEtLbII=
-github.com/luhaoling/protocol v0.0.0-20231130102222-4fd608e76fe6/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
+github.com/luhaoling/protocol v0.0.0-20231201032120-22bebe035ae3 h1:tWCCSHzacKfJ1v63rNu65fVLytsFV7rCdI+EjwwZmx8=
+github.com/luhaoling/protocol v0.0.0-20231201032120-22bebe035ae3/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
diff --git a/internal/rpc/msg/as_read.go b/internal/rpc/msg/as_read.go
index 35893a5af..2133147df 100644
--- a/internal/rpc/msg/as_read.go
+++ b/internal/rpc/msg/as_read.go
@@ -102,7 +102,7 @@ func (m *msgServer) GetConversationsUnreadSeqAndMaxSeq(ctx context.Context, req
 	resp = &msg.GetConversationsUnreadSeqAndMaxSeqResp{Seqs: make(map[string]*msg.UnreadSeqs)}
 	for conversarionID, maxSeq := range maxSeqs {
 		resp.Seqs[conversarionID] = &msg.UnreadSeqs{
-			UnreadSeq: hasReadSeqs[conversarionID],
+			UnreadSeq: maxSeq - hasReadSeqs[conversarionID],
 			MaxSeq:    maxSeq,
 		}
 		if v, ok := conversationMaxSeqMap[conversarionID]; ok {