diff --git a/assets/script/game/hero/HeroSkills.ts b/assets/script/game/hero/HeroSkills.ts
index b1bc6579..db4f1826 100644
--- a/assets/script/game/hero/HeroSkills.ts
+++ b/assets/script/game/hero/HeroSkills.ts
@@ -39,6 +39,9 @@ export class HeroSkillsComp extends ecs.Comp {
     skills: Record<number, SkillSlot> = {};
     max_auto: boolean = true;
     
+    /** AI 检测计时器 */
+    ai_timer: number = 0;
+
     // ==================== 辅助方法 ====================
     
     /**
diff --git a/assets/script/game/hero/SACastSystem.ts b/assets/script/game/hero/SACastSystem.ts
index 453c31c5..8e2e2cef 100644
--- a/assets/script/game/hero/SACastSystem.ts
+++ b/assets/script/game/hero/SACastSystem.ts
@@ -2,7 +2,7 @@ import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ec
 import { Vec3, v3 } from "cc";
 import { HeroAttrsComp } from "./HeroAttrsComp";
 import { HeroViewComp } from "./HeroViewComp";
-import { HSSet, SkillSet, SType, TGroup } from "../common/config/SkillSet";
+import { HSSet, SkillSet, SType, TGroup, SkillConfig } from "../common/config/SkillSet";
 import { HeroSkillsComp, SkillSlot } from "./HeroSkills";
 import { Skill } from "../skill/Skill";
 import { smc } from "../common/SingletonModuleComp";
@@ -36,9 +36,16 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
     update(e: ecs.Entity): void {
         if(!smc.mission.play || smc.mission.pause) return;
         const skills = e.get(HeroSkillsComp);
+        if (!skills) return;
+
+        // AI 降频：每0.2秒执行一次
+        skills.ai_timer += this.dt;
+        if (skills.ai_timer < 0.2) return;
+        skills.ai_timer = 0;
+
         const heroAttrs = e.get(HeroAttrsComp);
         const heroView = e.get(HeroViewComp);
-        if (!skills || !heroAttrs || !heroView) return;
+        if (!heroAttrs || !heroView) return;
         
         // 检查基本条件
         if (heroAttrs.is_dead || heroAttrs.isStun() || heroAttrs.isFrost()) return;
@@ -268,7 +275,7 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
         if (!heroAttrs) return [];
         const config = SkillSet[s_uuid];
         if (!config) return this.sDefaultTargets(caster, heroAttrs.fac);
-        const maxTargets = Math.max(1, Number((config as any).t_num ?? 1));
+        const maxTargets = Math.max(1, config.t_num ?? 1);
         const targets = this.sDamageTargets(caster, config, maxTargets);
         if (targets.length === 0) {
             targets.push(...this.sDefaultTargets(caster, heroAttrs.fac));
@@ -279,12 +286,12 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
     /**
      * 选择伤害技能目标
      */
-    private sDamageTargets(caster: HeroViewComp, config: any, maxTargets: number): Vec3[] {
+    private sDamageTargets(caster: HeroViewComp, config: SkillConfig, maxTargets: number): Vec3[] {
         const targets: Vec3[] = [];
         const heroAttrs = caster.ent.get(HeroAttrsComp);
         if (!heroAttrs) return targets;
         
-        const range = Number((config as any).range ?? config.dis ?? 300);
+        const range = Number(config.dis ?? 300);
         const enemyPositions = this.findNearbyEnemies(caster, heroAttrs.fac, range);
         
         // 选择最多maxTargets个目标