diff --git a/src/server/game/activity_func.go b/src/server/game/activity_func.go
index 6161b32a..3435ccdd 100644
--- a/src/server/game/activity_func.go
+++ b/src/server/game/activity_func.go
@@ -605,6 +605,9 @@ func (p *Player) GetChampshipRankReward(rank, aid int) ([]*item.Item, error) {
 	if ChampionshipMod == nil {
 		return nil, fmt.Errorf("championship mod is nil")
 	}
+	if ChampionshipMod.HasRankReward() {
+		return nil, fmt.Errorf("rank reward has been received")
+	}
 	cfg := G_GameLogicPtr.ActivityMgr.GetChampshipCfg(aid)
 	if cfg == nil {
 		return nil, fmt.Errorf("championship config is nil")
@@ -617,6 +620,7 @@ func (p *Player) GetChampshipRankReward(rank, aid int) ([]*item.Item, error) {
 			return items, nil
 		}
 	}
+	ChampionshipMod.SetRankReward()
 	return nil, fmt.Errorf("no rank reward found for rank %d", rank)
 }
 
diff --git a/src/server/game/mod/champship/Champship.go b/src/server/game/mod/champship/Champship.go
index 4f961b76..c80565ee 100644
--- a/src/server/game/mod/champship/Champship.go
+++ b/src/server/game/mod/champship/Champship.go
@@ -43,10 +43,18 @@ func (c *ChampshipMod) GetRankReward(Rank, yesterdayActivityId int) ([]*item.Ite
 	if c.RankReward {
 		return nil, fmt.Errorf("rank reward has been received")
 	}
-	c.RankReward = true
+	c.SetRankReward()
 	return champshipCfg.GetRankReward(Rank, yesterdayActivityId), nil
 }
 
+func (c *ChampshipMod) SetRankReward() {
+	c.RankReward = true
+}
+
+func (c *ChampshipMod) HasRankReward() bool {
+	return c.RankReward
+}
+
 func (c *ChampshipMod) AddScore(chess []int) {
 	if !c.isActive() {
 		return