diff --git a/assets/script/game/skill/STimeComp.ts b/assets/script/game/skill/STimeComp.ts
index 8a00f535..01d36249 100644
--- a/assets/script/game/skill/STimeComp.ts
+++ b/assets/script/game/skill/STimeComp.ts
@@ -7,11 +7,17 @@ export class StimeDataComp extends ecs.Comp {
     s_uuid: number = 0;
     totalTime: number = 0;
     elapsedTime: number = 0;
+    hitInterval: number = 0;
+    hitElapsed: number = 0;
+    pendingClose: boolean = false;
 
     reset() {
         this.s_uuid = 0;
         this.totalTime = 0;
         this.elapsedTime = 0;
+        this.hitInterval = 0;
+        this.hitElapsed = 0;
+        this.pendingClose = false;
     }
 }
 
@@ -29,12 +35,22 @@ export class STimeSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         if (!timeComp || !skillView) return;
         const conf = SkillSet[timeComp.s_uuid];
         if (!conf || conf.EType !== EType.timeEnd) return;
+        if (timeComp.pendingClose) {
+            skillView.close_collider();
+            timeComp.pendingClose = false;
+        }
         if (timeComp.totalTime <= 0) {
             skillView.close_collider();
             entity.destroy();
             return;
         }
         timeComp.elapsedTime += this.dt;
+        timeComp.hitElapsed += this.dt;
+        if (timeComp.hitInterval > 0 && timeComp.hitElapsed >= timeComp.hitInterval && !timeComp.pendingClose) {
+            timeComp.hitElapsed -= timeComp.hitInterval;
+            skillView.atk(null);
+            timeComp.pendingClose = true;
+        }
         if (timeComp.elapsedTime >= timeComp.totalTime) {
             skillView.close_collider();
             entity.destroy();
diff --git a/assets/script/game/skill/Skill.ts b/assets/script/game/skill/Skill.ts
index ecc91009..94ce2c6a 100644
--- a/assets/script/game/skill/Skill.ts
+++ b/assets/script/game/skill/Skill.ts
@@ -150,7 +150,8 @@ export class Skill extends ecs.Entity {
             if (!sTimeCom) sTimeCom = this.add(StimeDataComp);
             sTimeCom.reset();
             sTimeCom.s_uuid = s_uuid;
-            sTimeCom.totalTime = Math.max(0, config.time ?? 0);
+            sTimeCom.totalTime = Math.max(1, config.time ?? 0);
+            sTimeCom.hitInterval = Math.max(0.5, config.hitcd || 0);
         } else {
             const sTimeCom = this.get(StimeDataComp);
             if (sTimeCom) this.remove(StimeDataComp);