diff --git a/assets/script/game/common/config/SkillSet.ts b/assets/script/game/common/config/SkillSet.ts
index 312b7b89..466cb168 100644
--- a/assets/script/game/common/config/SkillSet.ts
+++ b/assets/script/game/common/config/SkillSet.ts
@@ -166,6 +166,7 @@ export interface SkillConfig {
     bck_chance?: number,       // 击退概率（百分点；未配置视为 0 不击退，可由 heroSet overrides 覆写）
     buff_type?: Attrs,         // Buff 类型 (单一职责)
     timed_buff_id?: number,    // 计时性 buff 配置 id（指向 BuffList），存在时走 buffManager 而非永久 add_*
+    shield_duration?: number,  // 护盾持续时间（秒），仅 kind=Shield 生效；缺省/<=0 表示永久护盾
     buff_value?: number,       // 覆写计时 buff 的修饰数值（modifiers.value / tick.damage_or_heal），由药水卡自定义档位
     buff_duration?: number,    // 覆写计时 buff 的持续时间（秒），不配置则用 BuffList 默认值
     buff_chance?: number,      // 计时 buff 施加概率（百分点，缺省 100）
@@ -205,6 +206,7 @@ export interface SkillOverrides {
     bck_chance?: number;
     buff_type?: Attrs;
     timed_buff_id?: number;
+    shield_duration?: number;
     buff_value?: number;
     buff_duration?: number;
     buff_chance?: number;
@@ -384,8 +386,8 @@ export const SkillSet: Record<number, SkillConfig> = {
     //============================= ======  辅助技能  回合技能 ====== ========================== 
     6301: {
         uuid: 6301, name: "护盾", sp_name: "buff_wind", icon: "28-Electric-Wave", TGroup: TGroup.Self, readyAnm: "up_blue", endAnm: "", act: "atk",
-        DTType: DTType.single, kind: SkillKind.Shield, ap: 30, hit_count: 1, hitcd: 0.2, speed: 720, with: 0, ready: 0.2, EAnm: 0, DAnm: "", IType: IType.support,
-        RType: RType.fixed, EType: EType.animationEnd, info: "获得施法者最大生命30%的护盾",
+        DTType: DTType.single, kind: SkillKind.Shield, ap: 30, hit_count: 1, hitcd: 0.2, speed: 720, with: 0, ready: 0.2, EAnm: 0, DAnm: "", IType: IType.support, shield_duration: 7,
+        RType: RType.fixed, EType: EType.animationEnd, info: "获得施法者最大生命30%的护盾, 持续7秒",
     },
     6302: {
         uuid: 6302, name: "治疗", sp_name: "buff_wind", icon: "g_priest_zldy_skill", TGroup: TGroup.Team, readyAnm: "up_green", endAnm: "", act: "atk",
diff --git a/assets/script/game/common/config/heroSet.ts b/assets/script/game/common/config/heroSet.ts
index 1980de40..97c63d51 100644
--- a/assets/script/game/common/config/heroSet.ts
+++ b/assets/script/game/common/config/heroSet.ts
@@ -549,7 +549,7 @@ export const HeroInfo: Record<number, heroInfo> = {
                     { lv: 2, s_lv: SkillLv.Lv2, overrides: {"ap":120}, desc: "普通攻击 造成 120% 伤害" },
                 ],
             },
-            6301: { uuid: 6301, name: "魔法盾", lv: 1, cd: 8, ccd: 0, overrides: {"ap":30}, desc: "{target}获得生命最大值{ap}%的护盾",
+            6301: { uuid: 6301, name: "魔法盾", lv: 1, cd: 10, ccd: 0, overrides: {"ap":30}, desc: "{target}获得生命最大值{ap}%的护盾",
                 lv_entries: [
                     { lv: 8, s_lv: SkillLv.Lv2, overrides: {"ap":60}, desc: "{target}获得生命最大值{ap}%的护盾" },
                     { lv: 16, s_lv: SkillLv.Lv3, overrides: {"ap":120}, desc: "{target}获得生命最大值{ap}%的护盾" },
diff --git a/assets/script/game/hero/BuffSystem.ts b/assets/script/game/hero/BuffSystem.ts
index 323be5fc..0f1ed0e4 100644
--- a/assets/script/game/hero/BuffSystem.ts
+++ b/assets/script/game/hero/BuffSystem.ts
@@ -28,18 +28,34 @@ const TICK_STEP = 0.1;
 export class BuffSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
     private timer = new Timer(TICK_STEP);
 
+    // HeroAttrsComp 可选，用于 DoT/HoT 的血量结算与护盾倒计时
+    private processShieldTimer(attrsComp: HeroAttrsComp | null): void {
+        if (!attrsComp) return;
+        // 永久护盾（duration<=0）不参与倒计时
+        if (attrsComp.shield_duration <= 0) return;
+        attrsComp.shield_duration -= TICK_STEP;
+        if (attrsComp.shield_duration <= 0) {
+            attrsComp.clear_shield();
+            mLogger.log(DEBUG, "BuffSystem", `护盾到期: ${attrsComp.hero_name}(eid:${attrsComp.ent?.eid ?? "-"}) 护盾已清空`);
+        }
+    }
+
+    // filter 改为 allOf(HeroAttrsComp)：护盾倒计时挂在 HeroAttrsComp 上，
+    // 若按 BuffComp 过滤，无 buff 的实体不会被遍历，护盾到期清空会失效
     filter(): ecs.IMatcher {
-        return ecs.allOf(BuffComp);
+        return ecs.allOf(HeroAttrsComp);
     }
 
     update(e: ecs.Entity): void {
         if (!this.timer.update(this.dt)) return;
 
-        const buffComp = e.get(BuffComp);
-        if (!buffComp) return;
+        // HeroAttrsComp 必有（filter 保证），用于 DoT/HoT 血量结算与护盾倒计时
+        const attrsComp = e.get(HeroAttrsComp);
+        this.processShieldTimer(attrsComp);
 
-        // HeroAttrsComp 可选，用于 DoT/HoT 的血量结算
-        const attrsComp = e.has(HeroAttrsComp) ? e.get(HeroAttrsComp) : null;
+        // BuffComp 可选：无 buff 时仅做护盾倒计时
+        const buffComp = e.has(BuffComp) ? e.get(BuffComp) : null;
+        if (!buffComp) return;
 
         // ---- 处理所有 buff 层 ----
         let anyChanged = false;
diff --git a/assets/script/game/hero/HeroAttrsComp.ts b/assets/script/game/hero/HeroAttrsComp.ts
index 3da2816d..5cec81e4 100644
--- a/assets/script/game/hero/HeroAttrsComp.ts
+++ b/assets/script/game/hero/HeroAttrsComp.ts
@@ -42,6 +42,8 @@ export class HeroAttrsComp extends ecs.Comp {
     shield: number = 0;         // 当前护盾
     /** 护盾获得时的快照值，作为护盾进度条分母（护盾为覆盖语义，分母不能随扣盾变化） */
     shield_max: number = 0;
+    /** 护盾剩余持续时间（秒），<=0 表示永久护盾；由 BuffSystem 定时递减，归零时清空护盾 */
+    shield_duration: number = 0;
     defense: number = 0;        // 防御（除法递减模型减伤，见 getFinalDefense）
 
     // ==================== 攻击属性 (补充) ====================
@@ -168,13 +170,27 @@ export class HeroAttrsComp extends ecs.Comp {
      *
      * Why 覆盖而非累加：新护盾直接替换旧护盾，避免多源护盾无限叠加导致数值膨胀。
      * @param value 新的护盾值（<=0 时视为清空护盾）
+     * @param duration 护盾持续时间（秒），<=0 或不传表示永久护盾；到期由 BuffSystem 清空
      */
-    add_shield(value: number) {
+    add_shield(value: number, duration: number = 0) {
         this.shield = Math.max(0, Math.floor(value));
         // 覆盖为新护盾时刷新快照分母；清空护盾时分母归零
         this.shield_max = this.shield;
+        this.shield_duration = Math.max(0, duration);
         this.dirty_shield = true;  // 标记护盾需要更新
     }
+
+    /**
+     * 清空护盾（护盾到期或外部强制驱散时调用）。
+     * 直接置零并打脏标记，视图层据此隐藏护盾条与特效。
+     */
+    clear_shield() {
+        if (this.shield <= 0) return;
+        this.shield = 0;
+        this.shield_max = 0;
+        this.shield_duration = 0;
+        this.dirty_shield = true;
+    }
     add_hp_max(value: number) {
         this.hp_max += value
         this.hp += value
@@ -701,6 +717,7 @@ export class HeroAttrsComp extends ecs.Comp {
         this.dis = 100;
         this.shield = 0;
         this.shield_max = 0;
+        this.shield_duration = 0;
         this.defense = 0;
 
         // 重置新增属性
diff --git a/assets/script/game/hero/SCastSystem.ts b/assets/script/game/hero/SCastSystem.ts
index 54d6c57f..1fd4cabb 100644
--- a/assets/script/game/hero/SCastSystem.ts
+++ b/assets/script/game/hero/SCastSystem.ts
@@ -575,7 +575,8 @@ export class SCastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         } else if (kind === SkillKind.Shield && sAp !== 0) {
             // 护盾值 = ap% × 施法者最终最大生命（getFinalHpMax 含驻场光环与计时 buff 加成）
             const addShield = Math.max(0, Math.floor(_cAttrsComp.getFinalHpMax() * sAp / 100));
-            model.add_shield(addShield);
+            // shield_duration 缺省/<=0 表示永久护盾
+            model.add_shield(addShield, config.shield_duration ?? 0);
         }
 
         if (config.buff_type !== undefined) {