diff --git a/src/config/skill/neck.ts b/src/config/skill/neck.ts
index e691a97..2b25352 100644
--- a/src/config/skill/neck.ts
+++ b/src/config/skill/neck.ts
@@ -8,14 +8,16 @@ const t = createt('');
 //断
 export class Duan extends SufPassiveSkill {
   name: string = 'duan';
+  dmgPercentOfHp: number = 1;
   hpPercent: number = 20;
   order: number = 999;
   dmg: number = 999999999;
   desc(): string {
-    return replace(st('duan.1'), [this.hpPercent]);
+    return replace(st('duan.1'), [this.dmgPercentOfHp, this.hpPercent]);
   }
   trigger(owner: BattleRole, target: BattleRole): boolean {
-    return owner.dmg > 0 && target.attr.curHp / target.attr.hp < this.hpPercent / 100;
+    const dmg = owner.dmg > target.attr.hp * (this.dmgPercentOfHp / 100);
+    return dmg && target.attr.curHp / target.attr.hp < this.hpPercent / 100;
   }
   takeEffect(owner: BattleRole, target: BattleRole): void {
     target.addHp(-1 * this.dmg);