update: 修改bug

src/views/goods/coupon/info.vue

@@ -1216,7 +1216,7 @@ export default {
             integralCost: this.couponForm.integralCost, //积分费用
             costValue: this.costValue, //礼品成本
             cashCost: this.couponForm.cashCost, //现金
-            virtualStock: this.isEdit ? this.couponForm.virtualStock - this.currentStock : this.couponForm.virtualStock, //库存
+            virtualStock: this.isEdit ? this.couponForm.virtualStock - (this.currentStock || 0) : this.couponForm.virtualStock, //库存
             gradeType: this.couponForm.gradeType,
             memberGrade: this.couponForm.memberGrade.join(','), //适用会员
             showStore: this.sendChildData.storeType, // 显示门店 0所有 1部分分类 2部分门店

src/views/goods/gift/info.vue

@@ -2116,7 +2116,7 @@ export default {
             proCodeQuery: this.giftForm.proCodeQuery, //条形码
             costValue: this.giftForm.changeType === 1 ? this.couponCostValue : this.giftForm.costValue, //卡券礼品成本
             marketPrice: this.giftForm.marketPrice, //市场价
-            virtualStock: this.giftForm.virtualStock - this.currentStock, //库存
+            virtualStock: this.isEdit ? this.giftForm.virtualStock - (this.currentStock || 0) : this.giftForm.virtualStock, //库存
             timeZones: '', //部分时段
             proShowStatus: this.giftForm.proShowStatus, //显示状态
             releaseType: this.giftForm.releaseType, //上架状态