message: fix(Coupon): incorrect destruction
diff: @@ -40,7 +40,7 @@ export default createComponent({
  },
  faceAmount() {
  - const { coupon } = this.coupon;
  + const { coupon } = this;
  if (coupon.valueDesc) {
  return `${coupon.valueDesc}<span>${coupon.unitDesc || ''}</span>`;
  