diff --git a/modules/gourmet/module.go b/modules/gourmet/module.go
index e75058532..3eb7b7ae6 100644
--- a/modules/gourmet/module.go
+++ b/modules/gourmet/module.go
@@ -6,12 +6,11 @@
 package gourmet
 
 import (
-	"crypto/rand"
 	"go_dreamfactory/comm"
 	"go_dreamfactory/lego/core"
 	"go_dreamfactory/modules"
 	cfg "go_dreamfactory/sys/configure/structs"
-	"math/big"
+	"math/rand"
 )
 
 type Gourmet struct {
@@ -61,8 +60,8 @@ func (this *Gourmet) GetSuccessRate(m map[string]int32, conf *cfg.GameBreakingba
 			rate += v.N * v1
 		}
 	}
-	n, _ := rand.Int(rand.Reader, big.NewInt(100))
-	if n.Int64() < int64(rate) {
+
+	if rand.Int31n(100) < rate {
 		return conf.Delicacies
 	} else {
 		cid = this.configure.GetNormalGourmetFood()
diff --git a/modules/hero/api_drawCard.go b/modules/hero/api_drawCard.go
index 59c461bba..1f2c402eb 100644
--- a/modules/hero/api_drawCard.go
+++ b/modules/hero/api_drawCard.go
@@ -76,7 +76,7 @@ func (this *apiComp) DrawCard(session comm.IUserSession, req *pb.HeroDrawCardReq
 			// 3,4,5 星权重
 			starWeight := []int32{cfgDraw.BasePoolStar3, cfgDraw.BasePoolStar4, cfgDraw.BasePoolStar5}
 
-			starIndex := this.module.modelHero.GetRandW(starWeight) // 3 4 5 星索引
+			starIndex := comm.GetRandW(starWeight) // 3 4 5 星索引
 
 			// 特殊规则 DrawCard_5StarsInRange 第2-30次抽奖必出一个5星英雄（普通卡池）
 			inRangeConf := this.module.ModuleTools.GetGlobalConf().DrawCard5StarsInRange
@@ -249,7 +249,7 @@ func (this *apiComp) DrawCard(session comm.IUserSession, req *pb.HeroDrawCardReq
 		for {
 			starWeight := []int32{cfgDraw.CampPoolStar3, cfgDraw.CampPoolStar4, cfgDraw.CampPoolStar5}
 
-			starIndex := this.module.modelHero.GetRandW(starWeight)
+			starIndex := comm.GetRandW(starWeight)
 			if starIndex == 1 {
 				star4Max++
 			} else if starIndex == 2 {
@@ -279,7 +279,7 @@ func (this *apiComp) DrawCard(session comm.IUserSession, req *pb.HeroDrawCardReq
 		for _, v := range _data[int32(star)] {
 			sz = append(sz, v.Weight)
 		}
-		randomIndex := this.module.modelHero.GetRandW(sz)
+		randomIndex := comm.GetRandW(sz)
 
 		if v, ok := _data[int32(star)]; ok {
 			if int32(len(v)) > randomIndex {
diff --git a/modules/hero/model_hero.go b/modules/hero/model_hero.go
index 0cca58876..d5369996a 100644
--- a/modules/hero/model_hero.go
+++ b/modules/hero/model_hero.go
@@ -655,27 +655,6 @@ func (this *ModelHero) CheckPool(drawCount int32, config *cfg.GameGlobalData) (p
 	return config.BasePool7.P
 }
 
-// 通数组里的权重随机命中 返回值为数组的下标
-func (this *ModelHero) GetRandW(sz []int32) int32 {
-
-	if len(sz) > 0 {
-		var _totalW int64 // 总权重
-		var _tmpW int64   // 临时权重
-		for _, v := range sz {
-			_totalW += int64(v)
-		}
-		// 随机权重
-		n, _ := rand.Int(rand.Reader, big.NewInt(_totalW))
-		for i, v := range sz {
-			_tmpW += int64(v)
-			if n.Int64() < _tmpW {
-				return int32(i)
-			}
-		}
-	}
-	return 0
-}
-
 // 通过卡池的权重 获取英雄
 func (this *ModelHero) GetRandHeroIdBypool(sz []int32) int32 {
 
diff --git a/modules/hero/module.go b/modules/hero/module.go
index 7cb13c85a..93fcaba75 100644
--- a/modules/hero/module.go
+++ b/modules/hero/module.go
@@ -541,11 +541,7 @@ func (this *Hero) ContinuousRestriction(uid string, heroCid string, drawCount in
 
 					return heroCid
 				}
-				sz := make([]int32, 0)
-				for _, v := range _data[5] {
-					sz = append(sz, v.Weight)
-				}
-				//randomIndex := this.modelHero.GetRandW(sz)
+
 				for i := 0; i < len(_data[5]); i++ {
 					if v, ok := _data[5]; ok {
 						if int32(len(v)) > int32(i) {
@@ -922,7 +918,7 @@ func (this *Hero) DrawCardContinuousRestrictionCamp(cardId string, race map[int3
 	if heroConf, _ := this.configure.GetHeroConfig(cardId); heroConf != nil {
 		if v1, ok := race[heroConf.Race]; ok && v1 > iMaxCount { // 满足条件 再随机获取一个英雄
 			for i := 0; i < int(iMaxCount); i++ { // 最多循环次数
-				randomIndex := this.modelHero.GetRandW(sz)
+				randomIndex := comm.GetRandW(sz)
 				if int32(len(sz)) > randomIndex {
 					if v1, ok := race[heroConf.Race]; !ok && v1 <= iMaxCount {
 						card = data[randomIndex].Id