diff --git a/logic/service/fight/boss/NewSeIdx_28.go b/logic/service/fight/boss/NewSeIdx_28.go
index 9c2608447..8398aa23b 100644
--- a/logic/service/fight/boss/NewSeIdx_28.go
+++ b/logic/service/fight/boss/NewSeIdx_28.go
@@ -24,7 +24,7 @@ func (e *NewSel28) Damage_ADD(t *info.DamageZone) bool {
 	if e.Ctx().SkillEntity.Type != int(e.Args()[0]) {
 		return true
 	}
-	t.Damage = t.Damage.Add(t.Damage.Mul(decimal.NewFromInt(int64(e.Args()[1]))))
+	t.Damage = t.Damage.Add(t.Damage.Mul(decimal.NewFromInt(int64(e.Args()[1])).Div(decimal.NewFromInt(100))))
 	return true
 }
 func init() {