diff --git a/apps/web-antd/src/views/mall/promotion/coupon/components/select.vue b/apps/web-antd/src/views/mall/promotion/coupon/components/select.vue
index e1420315a..94d79a0bb 100644
--- a/apps/web-antd/src/views/mall/promotion/coupon/components/select.vue
+++ b/apps/web-antd/src/views/mall/promotion/coupon/components/select.vue
@@ -2,7 +2,7 @@
 import type { VxeTableGridOptions } from '#/adapter/vxe-table';
 import type { MallCouponTemplateApi } from '#/api/mall/promotion/coupon/couponTemplate';
 
-import { ref } from 'vue';
+import { nextTick, ref } from 'vue';
 
 import { Modal } from 'ant-design-vue';
 
@@ -57,6 +57,8 @@ const [Grid, gridApi] = useVbenVxeGrid({
 /** 打开弹窗 */
 async function open() {
   visible.value = true;
+  // 等待 Modal 和 Grid 组件挂载完成后再查询
+  await nextTick();
   await gridApi.query();
 }
 
diff --git a/apps/web-antd/src/views/mall/promotion/rewardActivity/modules/form.vue b/apps/web-antd/src/views/mall/promotion/rewardActivity/modules/form.vue
index e171559b8..fda9fc9f9 100644
--- a/apps/web-antd/src/views/mall/promotion/rewardActivity/modules/form.vue
+++ b/apps/web-antd/src/views/mall/promotion/rewardActivity/modules/form.vue
@@ -11,6 +11,7 @@ import {
 import { convertToInteger, formatToFraction } from '@vben/utils';
 
 import { message } from 'ant-design-vue';
+import dayjs from 'dayjs';
 
 import { useVbenForm } from '#/adapter/form';
 import {
@@ -98,7 +99,11 @@ const [Modal, modalApi] = useVbenModal({
     modalApi.lock();
     try {
       const result = await getReward(data.id);
-      result.startAndEndTime = [result.startTime, result.endTime] as any[];
+      // antd RangePicker 需要 dayjs 对象
+      result.startAndEndTime = [
+        result.startTime ? dayjs(result.startTime) : undefined,
+        result.endTime ? dayjs(result.endTime) : undefined,
+      ] as any[];
       result.rules?.forEach((item: any) => {
         item.discountPrice = formatToFraction(item.discountPrice || 0);
         if (result.conditionType === PromotionConditionTypeEnum.PRICE.type) {