diff --git a/client/entity/group.go b/client/entity/group.go
index 844230f..f92c27a 100644
--- a/client/entity/group.go
+++ b/client/entity/group.go
@@ -63,6 +63,7 @@ type (
 		GroupLevel      uint32
 		MemberCount     uint32
 		MaxMember       uint32
+		LastMsgSeq      uint32
 	}
 
 	UserJoinGroupRequest struct {
diff --git a/client/operation.go b/client/operation.go
index d5458c6..b6aca4a 100644
--- a/client/operation.go
+++ b/client/operation.go
@@ -581,7 +581,7 @@ func (c *QQClient) FetchUserInfoUin(uin uint32) (*entity.User, error) {
 	return oidb2.ParseFetchUserInfoResp(resp)
 }
 
-// FetchGroupInfo 获取群信息
+// FetchGroupInfo 获取群信息 isStrange是否陌生群聊
 func (c *QQClient) FetchGroupInfo(groupUin uint32, isStrange bool) (*entity.Group, error) {
 	pkt, err := oidb2.BuildFetchGroupReq(groupUin, isStrange)
 	if err != nil {
@@ -604,6 +604,7 @@ func (c *QQClient) FetchGroupInfo(groupUin uint32, isStrange bool) (*entity.Grou
 		GroupLevel:      groupResp.GroupLevel,
 		MemberCount:     groupResp.GroupMemberNum,
 		MaxMember:       groupResp.GroupMemberMaxNum,
+		LastMsgSeq:      groupResp.GroupCurMsgSeq,
 	}, nil
 }
 
diff --git a/client/packets/oidb/fetch_group.go b/client/packets/oidb/fetch_group.go
index 01b1941..cc34bdf 100644
--- a/client/packets/oidb/fetch_group.go
+++ b/client/packets/oidb/fetch_group.go
@@ -31,6 +31,8 @@ func BuildFetchGroupReq(groupUin uint32, isStrange bool) (*Packet, error) {
 				GroupFingerMemo:       proto.Some(""),
 				GroupClassText:        proto.Some(""),
 				GroupUin:              proto.Some(true),
+				GroupCurMsgSeq:        proto.Some(true),
+				GroupLastMsgTime:      proto.Some(true),
 				GroupQuestion:         proto.Some(""),
 				GroupAnswer:           proto.Some(""),
 				GroupGrade:            proto.Some(true),
diff --git a/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.pb.go b/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.pb.go
index 7bca17f..eaf80db 100644
--- a/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.pb.go
+++ b/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.pb.go
@@ -61,11 +61,11 @@ type D88DGroupInfo struct {
 	GroupClassText  proto.Option[string] `protobuf:"bytes,18,opt"`
 	// repeated bool GroupAllianceCode = 19;
 	// optional bool GroupExtraAadmNum = 20;
-	GroupUin proto.Option[bool] `protobuf:"varint,21,opt"`
-	// optional bool GroupCurMsgSeq = 22;
-	// optional bool GroupLastMsgTime = 23;
-	GroupQuestion proto.Option[string] `protobuf:"bytes,24,opt"`
-	GroupAnswer   proto.Option[string] `protobuf:"bytes,25,opt"`
+	GroupUin         proto.Option[bool]   `protobuf:"varint,21,opt"`
+	GroupCurMsgSeq   proto.Option[bool]   `protobuf:"varint,22,opt"`
+	GroupLastMsgTime proto.Option[bool]   `protobuf:"varint,23,opt"`
+	GroupQuestion    proto.Option[string] `protobuf:"bytes,24,opt"`
+	GroupAnswer      proto.Option[string] `protobuf:"bytes,25,opt"`
 	// optional bool GroupVisitorMaxNum = 26;
 	// optional bool GroupVisitorCurNum = 27;
 	// optional bool LevelNameSeq = 28;
diff --git a/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.proto b/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.proto
index 324ed57..ccac2d4 100644
--- a/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.proto
+++ b/client/packets/pb/service/oidb/OidbSvcTrpcTcp0x88D_0.proto
@@ -64,8 +64,8 @@ message D88DGroupInfo {
   //  repeated bool GroupAllianceCode = 19;
   //  optional bool GroupExtraAadmNum = 20;
   optional bool GroupUin = 21;
-  //  optional bool GroupCurMsgSeq = 22;
-  //  optional bool GroupLastMsgTime = 23;
+  optional bool GroupCurMsgSeq = 22;
+  optional bool GroupLastMsgTime = 23;
   optional string  GroupQuestion = 24;
   optional string  GroupAnswer = 25;
   //  optional bool GroupVisitorMaxNum = 26;