diff --git a/modules/hero/api_strengthenUpSkill.go b/modules/hero/api_strengthenUpSkill.go
index f786019e1..7f4761da1 100644
--- a/modules/hero/api_strengthenUpSkill.go
+++ b/modules/hero/api_strengthenUpSkill.go
@@ -1,11 +1,9 @@
 package hero
 
 import (
-	"crypto/rand"
 	"go_dreamfactory/comm"
 	"go_dreamfactory/pb"
 	"go_dreamfactory/utils"
-	"math/big"
 
 	"google.golang.org/protobuf/proto"
 )
@@ -23,10 +21,7 @@ func (this *apiComp) StrengthenUpSkillCheck(session comm.IUserSession, req *pb.H
 /// 英雄技能升级
 func (this *apiComp) StrengthenUpSkill(session comm.IUserSession, req *pb.HeroStrengthenUpSkillReq) (code pb.ErrorCode, data proto.Message) {
 	var (
-		probability      map[int32]int32 // 即将升级技能的权重
-		upSkillPos       int32           // 升级的技能位置
-		totalprobability int32           // 所有技能总权重
-
+		upSkillPos  int32                 // 升级的技能位置
 		_hero       *pb.DBHero            // 操作的英雄
 		ChangeList  []*pb.DBHero          // 推送 改变的英雄
 		mapCostHero map[string]int32      // 消耗的技能卡
@@ -96,50 +91,35 @@ func (this *apiComp) StrengthenUpSkill(session comm.IUserSession, req *pb.HeroSt
 		return
 	}
 
-	tmpUpSkillID := make(map[int32]bool, 0)
 	for i := 0; i < int(lvUpCount); i++ { // 升级技能
-		probability = make(map[int32]int32, 0)
-		for index, skill := range _hero.NormalSkill {
+
+		sz := make([]int32, 0)
+		for _, skill := range _hero.NormalSkill {
 			skillMaxLv := this.module.configure.GetHeroSkillMaxLvConfig(uint32(skill.SkillID))
 			if skill.SkillLv < skillMaxLv { // 找到没有满级的技能id
-				tmpUpSkillID[int32(index)] = true
+
 				skillData := this.module.configure.GetHeroSkillUpConfig(skill.SkillID)
 				if skillData == nil {
 					code = pb.ErrorCode_ConfigNoFound
 					return
 				}
-
-				probability[skill.SkillID] = skillData.Probability[skill.SkillLv] // 获取权重
+				sz = append(sz, skillData.Probability[skill.SkillLv])
 			}
 		}
-		if len(tmpUpSkillID) == 0 {
+		if len(sz) == 0 {
 			code = pb.ErrorCode_HeroMaxSkillLv
 			return
 		}
-
-		totalprobability = 0
-		// 根据权重升级对应的技能
-		for _, v := range probability {
-			totalprobability += v
-		}
-		if totalprobability == 0 {
-			code = pb.ErrorCode_HeroMaxLv // 升满了
-			return
-		}
-		n, _ := rand.Int(rand.Reader, big.NewInt(int64(totalprobability)))
-		tmp := 0
-		for k, v := range probability {
-			tmp += int(v)
-			if int32(n.Int64()) < v { // 找到了
-				upSkillPos = k
-				break
-			}
-		}
-		for index, skill := range _hero.NormalSkill {
-			if int32(index) == upSkillPos { // 找到指定位置技能并升级
-				skill.SkillLv += 1
-				break
+		upSkillPos = comm.GetRandW(sz)
+		if upSkillPos > 0 {
+			for index, skill := range _hero.NormalSkill {
+				if int32(index) == upSkillPos { // 找到指定位置技能并升级
+					skill.SkillLv += 1
+					break
+				}
 			}
+		} else {
+			this.module.Errorf("技能升级失败:uid:%s,oid:%s", session.GetUserId(), _hero.Id)
 		}
 	}