fix(fight): 修正空变更导致的潜在逻辑问题

logic/service/fight/effect/effect_73.go

@@ -40,11 +40,15 @@ func (e *Effect73) Action_end_ex() bool {
 	if !e.Input.FightC.IsFirst(e.Ctx().Our.Player) {
 		return true
 	}
-
-	e.Ctx().Opp.Damage(e.Ctx().Our, &info.DamageZone{
+	tt := &info.DamageZone{
 		Type:   info.DamageType.Fixed,
 		Damage: e.Ctx().Opp.SumDamage.Mul(decimal.NewFromInt(2)),
-	})
+	}
+	maxhp := e.Ctx().Our.CurrentPet.GetMaxHP().Mul(decimal.NewFromInt(30))
+	if tt.Damage.Cmp(maxhp) == 1 {
+		tt.Damage = maxhp
+	}
+	e.Ctx().Opp.Damage(e.Ctx().Our, tt)
 
 	return true
 }