diff --git a/server/jccommon/utils.go b/server/jccommon/utils.go
index 77669a13..c7052a51 100644
--- a/server/jccommon/utils.go
+++ b/server/jccommon/utils.go
@@ -26,16 +26,8 @@ func IsAirDropNft(tokenId string) bool {
 	return tokenIdInt64 >= 6000000000000000 && tokenIdInt64 <= 7000000000000000
 }
 
-func IsGenesisHero(tokenId string) bool {
-	tokenIdInt64, err := strconv.ParseInt(tokenId, 10, 64)
-	if err != nil {
-		tokenIdInt64 = 0
-	}
-	return tokenIdInt64 > 6240603010001668 && tokenIdInt64 <= 6240603010002168
-}
-
-func GetHeroStackingScore(quality int32) int64 {
-	var score int64
+func GetHeroStackingScore(quality int32) float64 {
+	var score float64
 	switch quality {
 	case 2:
 		score = 10
@@ -53,8 +45,8 @@ func GetHeroStackingScore(quality int32) int64 {
 	return score
 }
 
-func GetFounderTagStackingScore(quality int32) int64 {
-	var score int64
+func GetFounderTagStackingScore(quality int32) float64 {
+	var score float64
 	switch quality {
 	case 1:
 		score = 20
@@ -68,15 +60,15 @@ func GetFounderTagStackingScore(quality int32) int64 {
 	return score
 }
 
-func CalcContributionScore(nfts []*NftStacking) int64 {
-	var score int64
-	var baseScore int64
+func CalcContributionScore(nfts []*NftStacking) float64 {
+	var score float64
+	var baseScore float64
 	var rate float64
 	for _, v := range nfts {
 		switch v.TokenType {
 		case NFT_TYPE_CFHERO, NFT_TYPE_CFHERO_NORMAL: {
 			baseScore += GetHeroStackingScore(v.Quality)
-			if IsGenesisHero(v.TokenId) {
+			if v.TokenType == NFT_TYPE_CFHERO {
 				rate += 0.05
 			}
 		}
@@ -89,6 +81,6 @@ func CalcContributionScore(nfts []*NftStacking) int64 {
 	if rate > 1 {
 		rate = 1
 	}
-	score = int64(float64(baseScore) * (1 + rate))
+	score = baseScore * (1 + rate)
 	return score
 }
diff --git a/server/light_backtask/task/contribution.go b/server/light_backtask/task/contribution.go
index a797083d..84f69fbf 100644
--- a/server/light_backtask/task/contribution.go
+++ b/server/light_backtask/task/contribution.go
@@ -19,7 +19,7 @@ type accountStacking struct {
 	nfts []*jccommon.NftStacking
 }
 
-func (this* accountStacking) calcScore() int64 {
+func (this* accountStacking) calcScore() float64 {
 	return jccommon.CalcContributionScore(this.nfts)
 }