diff --git a/assets/script/game/common/config/heroSet.ts b/assets/script/game/common/config/heroSet.ts
index 1e1eb0eb..793b9fe6 100644
--- a/assets/script/game/common/config/heroSet.ts
+++ b/assets/script/game/common/config/heroSet.ts
@@ -126,7 +126,7 @@ export const HeroInfo: Record<number, heroInfo> = {
    
    // 刘邦 - 领导型战士（善于用人，知人善任）
    5001:{uuid:5001,name:"刘邦",path:"hk1", fac:FacSet.HERO, kind:1,as:1.5,
-      type:HType.warrior,lv:1,hp:200,mp:200,def:0,ap:15,dis:100,speed:120,skills:[6001,6001],
+      type:HType.warrior,lv:1,hp:200,mp:200,def:0,ap:15,dis:100,speed:120,skills:[6001,6002],
       buff:[],tal:[],info:"楚汉争霸领袖，领导统御型战士"},
 
    // 荆轲 - 刺客（敏捷型，高速度和暴击率）
diff --git a/assets/script/game/hero/SACastSystem.ts b/assets/script/game/hero/SACastSystem.ts
index e968ec34..c3acfe7c 100644
--- a/assets/script/game/hero/SACastSystem.ts
+++ b/assets/script/game/hero/SACastSystem.ts
@@ -46,9 +46,8 @@ 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;
         
-        // 🔥 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);
+
+        const readySkills = skills.getReadySkills(heroAttrs.mp);
         if (readySkills.length === 0) return;
         
         // 选择第一个可施放的技能（支持伤害/治疗/护盾）
@@ -90,7 +89,10 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
         if (castSucess) {
             // 🔥 怪物不消耗蓝
             if (heroAttrs.fac !== FacSet.MON) {
-                heroAttrs.mp -= skill.cost;
+                // 使用 add_mp 确保 MP 不会变成负数，并触发相关更新
+                heroAttrs.add_mp(-skill.cost, true);
+                // 手动更新技能距离缓存，因为 HeroAttrSystem 无法检测到跨帧的 MP 变化
+                heroAttrs.updateSkillDistanceCache(skills);
             }
             skills.resetCD(skill.s_uuid);
         }