展示纸质优惠券

src/pages/parkingFee/parkingFeeDetailSuccess.vue

@@ -79,7 +79,7 @@
             <span class="info-key">会员卡券</span>
             <span class="info-value ">{{ detail.discountInfo.couponDiscount | currency }}</span>
           </div>
-          <div class="parking-info-item" v-if="detail.paperCouponCode">
+          <div class="parking-info-item" v-if="detail.discountInfo && detail.discountInfo.paperCouponDiscount">
             <span class="info-key">纸质优惠券</span>
             <span class="info-value ">{{ detail.discountInfo.paperCouponDiscount | currency }}</span>
           </div>