diff --git a/server/matchserver/common/types.go b/server/matchserver/common/types.go
index ebde3570..7c0dc125 100644
--- a/server/matchserver/common/types.go
+++ b/server/matchserver/common/types.go
@@ -72,6 +72,7 @@ type Player interface {
 	GetTeam() Team
 	SetTeam(Team)
 	FillMFTeamMember(*cs.MFTeamMember)
+	GetSortIdx() int32
 }
 
 type PlayerMgr interface {
diff --git a/server/matchserver/player/player.go b/server/matchserver/player/player.go
index 4f39dac6..31205f6c 100644
--- a/server/matchserver/player/player.go
+++ b/server/matchserver/player/player.go
@@ -127,6 +127,10 @@ func (this *player) SetTeam(team common.Team) {
 	this.team = team
 }
 
+func (this *player) GetSortIdx() int32 {
+	return 0
+}
+
 func (this *player) FillMFTeamMember(member_pb *cs.MFTeamMember) {
 	member_pb.AccountId = proto.String(this.accountId)
 	member_pb.Name = proto.String(this.name)