Merge branch 'ymf' of https://newgitea.sxczgkj.cn/czg_team/cashier-web into gyq

src/views/tool/Instead/util.js

@@ -128,7 +128,7 @@ export function returnIsSeatFee(item) {
 /**
  * 计算购物车会员优惠价格
  */
-export function returnVipDiscountPrice() {}
+export function returnVipDiscountPrice() { }
 
 //计算商品券优惠价格
 export function returnProductCouponPrice(coup, goodsArr, vipUser) {
@@ -243,6 +243,9 @@ export function returnCartPrice(goods, vipUser) {
 
 // 价格保留两位小数不四舍五入
 export function customTruncateToTwoDecimals(number) {
+  if (!number) {
+    return 0;
+  }
   let stringNumber = number.toString();
   let dotIndex = stringNumber.indexOf(".");
   if (dotIndex === -1) {