diff --git a/src/coupon-list/README.md b/src/coupon-list/README.md
index f9469a43e..eda4e90ae 100644
--- a/src/coupon-list/README.md
+++ b/src/coupon-list/README.md
@@ -119,13 +119,14 @@ export default {
 | id          | Id                                  | _string_ |
 | name        | Name                                | _string_ |
 | condition   | Condition                           | _string_ |
-| startAt     | Start time (Timestmap, unit second) | _number_ |
-| endAt       | End time (Timestmap, unit second)   | _number_ |
+| startAt     | Start time (Timestmap, unit millisecond) | _number_ |
+| endAt       | End time (Timestmap, unit millisecond)   | _number_ |
 | description | Description                         | _string_ |
 | reason      | Unavailable reason                  | _string_ |
 | value       | Value                               | _number_ |
 | valueDesc   | Value Text                          | _string_ |
 | unitDesc    | Unit Text                           | _string_ |
+| customValidPeriod | custom valid period           | _string_ |
 
 ### Less Variables
 
diff --git a/src/coupon-list/README.zh-CN.md b/src/coupon-list/README.zh-CN.md
index 31ac8baff..c49464e2d 100644
--- a/src/coupon-list/README.zh-CN.md
+++ b/src/coupon-list/README.zh-CN.md
@@ -121,13 +121,14 @@ export default {
 | id          | 优惠券 id                       | _string_ |
 | name        | 优惠券名称                      | _string_ |
 | condition   | 满减条件                        | _string_ |
-| startAt     | 卡有效开始时间 (时间戳, 单位秒) | _number_ |
-| endAt       | 卡失效日期 (时间戳, 单位秒)     | _number_ |
+| startAt     | 卡有效开始时间 (时间戳, 单位毫秒) | _number_ |
+| endAt       | 卡失效日期 (时间戳, 单位毫秒)     | _number_ |
 | description | 描述信息，优惠券可用时展示      | _string_ |
 | reason      | 不可用原因，优惠券不可用时展示  | _string_ |
 | value       | 折扣券优惠金额，单位分          | _number_ |
 | valueDesc   | 折扣券优惠金额文案              | _string_ |
 | unitDesc    | 单位文案                        | _string_ |
+| customValidPeriod | 自定义有效时间文案            | _string_ |
 
 ### 样式变量
 
diff --git a/src/coupon-list/demo/index.vue b/src/coupon-list/demo/index.vue
index 7758b4021..edaafa4a5 100644
--- a/src/coupon-list/demo/index.vue
+++ b/src/coupon-list/demo/index.vue
@@ -74,6 +74,7 @@ export default {
         description: this.t('coupon.description'),
         startAt: 1489104000,
         endAt: 1514592000,
+        customValidPeriod: '周日 13点起生效',
         valueDesc: '1.5',
         unitDesc: '元',
       };
diff --git a/src/coupon/index.js b/src/coupon/index.js
index a7740c145..6f25898a3 100644
--- a/src/coupon/index.js
+++ b/src/coupon/index.js
@@ -1,15 +1,15 @@
 import { createNamespace } from '../utils';
 import { RED } from '../utils/constant';
-import { padZero } from '../utils/format/string';
+import { dateToString } from '../sku/utils/time-helper';
 import Checkbox from '../checkbox';
 
 const [createComponent, bem, t] = createNamespace('coupon');
 
 function getDate(timeStamp) {
-  const date = new Date(timeStamp * 1000);
-  return `${date.getFullYear()}.${padZero(date.getMonth() + 1)}.${padZero(
-    date.getDate()
-  )}`;
+  if (timeStamp >= 1000000000000) {
+    return dateToString(new Date(timeStamp * 1), 'datetime');
+  }
+  return dateToString(new Date(timeStamp * 1000));
 }
 
 function formatDiscount(discount) {
@@ -35,8 +35,8 @@ export default createComponent({
 
   computed: {
     validPeriod() {
-      const { startAt, endAt } = this.coupon;
-      return `${getDate(startAt)} - ${getDate(endAt)}`;
+      const { startAt, endAt, customValidPeriod } = this.coupon;
+      return customValidPeriod ? customValidPeriod : `${getDate(startAt)} - ${getDate(endAt)}`;
     },
 
     faceAmount() {