修复bug

pages/jiuzhai/jz_Reserve.vue

@@ -539,12 +539,16 @@
 			closeCouponHandler(e) {
 				if (e != -1) {
 					this.useCouponId = e;
-					this.currentCoupon = this.couponList.find(x => x.id == this.useCouponId)
-					if (this.currentCoupon.couponsType == 1) {
-						this.currentCoupon.discountMoney = this.currentCoupon.denomination
-					} else {
-						this.currentCoupon.discountMoney = (parseFloat(this.price) * (1 - parseFloat(this.currentCoupon.denomination / 10)))
-							.toFixed(2)
+					if(this.useCouponId){
+						this.currentCoupon = this.couponList.find(x => x.id == this.useCouponId)
+						if (this.currentCoupon.couponsType == 1) {
+							this.currentCoupon.discountMoney = this.currentCoupon.denomination
+						} else {
+							this.currentCoupon.discountMoney = (parseFloat(this.price) * (1 - parseFloat(this.currentCoupon.denomination / 10)))
+								.toFixed(2)
+						}
+					}else{
+						this.currentCoupon.discountMoney = 0
 					}
 				}
 				this.showCoupon = false;