diff --git a/game/builtin/ranking_list.go b/game/builtin/ranking_list.go
index d8059a5..c467d3c 100644
--- a/game/builtin/ranking_list.go
+++ b/game/builtin/ranking_list.go
@@ -52,6 +52,15 @@ func (slf *RankingList[CompetitorID, Score]) Competitor(competitorId CompetitorI
 	}
 }
 
+func (slf *RankingList[CompetitorID, Score]) CompetitorIncrease(competitorId CompetitorID, score Score) {
+	oldScore, err := slf.GetScore(competitorId)
+	if err != nil {
+		slf.Competitor(competitorId, score)
+	} else {
+		slf.Competitor(competitorId, oldScore+score)
+	}
+}
+
 func (slf *RankingList[CompetitorID, Score]) RemoveCompetitor(competitorId CompetitorID) {
 	if !slf.competitors.Exist(competitorId) {
 		return
diff --git a/game/ranking_list.go b/game/ranking_list.go
index fa3365b..ba90076 100644
--- a/game/ranking_list.go
+++ b/game/ranking_list.go
@@ -5,6 +5,9 @@ type RankingList[CompetitorID comparable, Score comparable] interface {
 	// Competitor 声明排行榜竞争者
 	//  - 如果竞争者存在的情况下，会更新已有成绩，否则新增竞争者
 	Competitor(competitorId CompetitorID, score Score)
+	// CompetitorIncrease 积分增量的形式竞争排行榜
+	//  - 如果竞争者存在的情况下，会更新已有成绩为增加score后的成绩，否则新增竞争者
+	CompetitorIncrease(competitorId CompetitorID, score Score)
 	// RemoveCompetitor 删除特定竞争者
 	RemoveCompetitor(competitorId CompetitorID)
 	// GetRank 获取竞争者排名