diff --git a/logic/service/fight/input/fight.go b/logic/service/fight/input/fight.go
index 1ad639078..cc344aeea 100644
--- a/logic/service/fight/input/fight.go
+++ b/logic/service/fight/input/fight.go
@@ -6,6 +6,7 @@ import (
 	"blazing/logic/service/fight/action"
 	"blazing/logic/service/fight/info"
 	"fmt"
+	"math/rand"
 
 	"github.com/shopspring/decimal"
 )
@@ -270,9 +271,64 @@ func (u *Input) SetProp(in *Input, prop, level int8, ptype info.EnumAbilityOpTyp
 	return false
 }
 func (i *Input) GetAction(opp *Input) {
-	//使用1#技能,实际上要按照四个技能权重去使用
-	i.FightC.UseSkill(i.Player, int32(i.FightC.GetCurrPET(i.Player).Skills[0].ID))
+	// 获取己方当前宠物和对方当前宠物
+	selfPet := i.FightC.GetCurrPET(i.Player)
+	//oppPet := opp.FightC.GetCurrPET(opp.Player)
+	skills := selfPet.Skills
 
+	// 空技能列表直接返回，避免错误
+	if len(skills) == 0 {
+		return
+	}
+
+	// 步骤1：计算所有技能的伤害，并筛选出能秒杀对方的技能
+	var killableSkills []struct {
+		*info.SkillEntity                 // 技能对象（假设原技能类型为skill）
+		damage            decimal.Decimal // 技能实际伤害
+	}
+	// 存储所有技能及伤害（用于后续筛选）
+	type skillWithDamage struct {
+		*info.SkillEntity
+		damage decimal.Decimal
+	}
+	allSkills := make([]skillWithDamage, 0, len(skills))
+
+	for _, s := range skills {
+		// 计算技能对对方的伤害（假设CalculatePower返回伤害值，或需从技能中获取）
+		damage := i.CalculatePower(opp, s)
+
+		if !s.CanUse() {
+			continue
+		}
+		allSkills = append(allSkills, skillWithDamage{SkillEntity: s, damage: damage})
+
+		// 判断是否能秒杀（伤害 >= 对方当前生命值）
+		if uint32(damage.IntPart()) >= opp.CurrentPet.Info.Hp { // 假设oppPet.HP为对方当前剩余生命值
+			killableSkills = append(killableSkills, struct {
+				*info.SkillEntity
+				damage decimal.Decimal
+			}{s, damage})
+		}
+	}
+
+	// 若存在能秒杀的技能，优先使用（选权重最高的，避免浪费高伤害技能）
+	if len(killableSkills) > 0 {
+		bestKillSkill := killableSkills[0].SkillEntity
+		// maxWeight := killableSkills[0].SkillEntity.Weight // 假设技能有Weight字段表示权重
+		// for _, ks := range killableSkills[1:] {
+		// 	if ks.skill.Weight > maxWeight {
+		// 		maxWeight = ks.skill.Weight
+		// 		bestKillSkill = ks.skill
+		// 	}
+		// }
+		i.FightC.UseSkill(i.Player, int32(bestKillSkill.ID))
+		return
+	}
+
+	randomIdx := rand.Intn(len(allSkills))
+	chosenSkill := skills[randomIdx]
+	i.FightC.UseSkill(i.Player, int32(chosenSkill.ID))
+	// i.FightC.UseSkill(i.Player, int32(bestSkill.skill.ID))
 }
 
 // 计算技能威力