fix(SCRM-6941): 修复纸质券优惠没有显示的问题

src/store/order/paperCoupon.js

@@ -39,7 +39,7 @@ export default {
     }
     if(checkOutResponse?.parkingRule.hasOwnProperty('enablePaperCoupons')) {
       commit('setEnablePaperCoupons', checkOutResponse.parkingRule.enablePaperCoupons);
-      commit('setPaperCouponsDesc', checkOutResponse.parkingRule.paperDiscountDescription)
+      commit('setPaperCouponsDesc', checkOutResponse.parkingRule.paperCouponsDescription)
     }
   },
   async savePaperCoupon( {commit,dispatch,state},{paperCoupons,callback} ) {