diff --git a/assets/script/game/hero/SACastSystem.ts b/assets/script/game/hero/SACastSystem.ts
index d2dd076e..e968ec34 100644
--- a/assets/script/game/hero/SACastSystem.ts
+++ b/assets/script/game/hero/SACastSystem.ts
@@ -8,7 +8,7 @@ import { Skill } from "../skill/Skill";
 import { smc } from "../common/SingletonModuleComp";
 import { TalComp } from "./TalComp";
 import { TalEffet, TriType } from "../common/config/TalSet";
-import { BoxSet } from "../common/config/GameSet";
+import { BoxSet, FacSet } from "../common/config/GameSet";
 import { Attrs } from "../common/config/HeroAttrs";
 
 /**
@@ -46,8 +46,9 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
         // 检查是否正在攻击（只有攻击时才释放技能）
         if (!heroAttrs.is_atking) return;
         
-        // 获取所有可施放的技能
-        const readySkills = skills.getReadySkills(heroAttrs.mp);
+        // 🔥 怪物不消耗蓝，使用Infinity作为mp参数
+        const mpForCheck = heroAttrs.fac === FacSet.MON ? Infinity : heroAttrs.mp;
+        const readySkills = skills.getReadySkills(mpForCheck);
         if (readySkills.length === 0) return;
         
         // 选择第一个可施放的技能（支持伤害/治疗/护盾）
@@ -87,7 +88,10 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
         const castSucess = this.executeCast(e, skill.s_uuid, heroView,hset);
         // 5. 扣除资源和重置CD
         if (castSucess) {
-            heroAttrs.mp -= skill.cost;
+            // 🔥 怪物不消耗蓝
+            if (heroAttrs.fac !== FacSet.MON) {
+                heroAttrs.mp -= skill.cost;
+            }
             skills.resetCD(skill.s_uuid);
         }
         return castSucess;