无牌车扫码出场，领取纸质券时，没有携带车牌号

src/pages/parkingFee/mixins/parkingFeePaperCoupon.js

@@ -144,7 +144,7 @@ export default {
       uni.showLoading({
         title: '加载中',
       });
-      const res = await paperCoupon(couponCode, this.$route.query.vehicleNo);
+      const res = await paperCoupon(couponCode, this.orderDetail.parkingRecord.vehicleNo);
       /*const res = {
         "status": "1",
         "discountCode": "91354260",