diff --git a/src/coupon-list/README.md b/src/coupon-list/README.md
index eda4e90ae..cba07621c 100644
--- a/src/coupon-list/README.md
+++ b/src/coupon-list/README.md
@@ -75,14 +75,14 @@ export default {
 
 ### CouponCell Props
 
-| Attribute | Description | Type | Default |
-| --- | --- | --- | --- |
-| title | Cell title | _string_ | `Coupon` |
-| chosen-coupon | Index of chosen coupon | _number \| string_ | `-1` |
-| coupons | Coupon list | _Coupon[]_ | `[]` |
-| editable | Cell editable | _boolean_ | `true` |
-| border | Whether to show innner border | _boolean_ | `true` |
-| currency | Currency symbol | _string_ | `¥` |
+| Attribute     | Description                  | Type               | Default  |
+| ------------- | ---------------------------- | ------------------ | -------- |
+| title         | Cell title                   | _string_           | `Coupon` |
+| chosen-coupon | Index of chosen coupon       | _number \| string_ | `-1`     |
+| coupons       | Coupon list                  | _Coupon[]_         | `[]`     |
+| editable      | Cell editable                | _boolean_          | `true`   |
+| border        | Whether to show inner border | _boolean_          | `true`   |
+| currency      | Currency symbol              | _string_           | `¥`      |
 
 ### CouponList Props
 
@@ -114,19 +114,19 @@ export default {
 
 ### Data Structure of Coupon
 
-| Key         | Description                         | Type     |
-| ----------- | ----------------------------------- | -------- |
-| id          | Id                                  | _string_ |
-| name        | Name                                | _string_ |
-| condition   | Condition                           | _string_ |
-| 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_ |
+| Key               | Description                              | Type     |
+| ----------------- | ---------------------------------------- | -------- |
+| id                | Id                                       | _string_ |
+| name              | Name                                     | _string_ |
+| condition         | Condition                                | _string_ |
+| startAt           | Start time (Timestamp, unit millisecond) | _number_ |
+| endAt             | End time (Timestamp, 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 c49464e2d..b704f34ca 100644
--- a/src/coupon-list/README.zh-CN.md
+++ b/src/coupon-list/README.zh-CN.md
@@ -116,19 +116,19 @@ export default {
 
 ### Coupon 数据结构
 
-| 键名        | 说明                            | 类型     |
-| ----------- | ------------------------------- | -------- |
-| 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_ |
+| 键名              | 说明                              | 类型     |
+| ----------------- | --------------------------------- | -------- |
+| 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 edaafa4a5..06574e12c 100644
--- a/src/coupon-list/demo/index.vue
+++ b/src/coupon-list/demo/index.vue
@@ -11,7 +11,7 @@
         v-model="showList"
         round
         position="bottom"
-        style="height: 90%; padding-top: 4px;"
+        style="height: 90%; padding-top: 4px"
       >
         <van-coupon-list
           :coupons="coupons"
@@ -74,7 +74,6 @@ 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 6f25898a3..3b10cd5f1 100644
--- a/src/coupon/index.js
+++ b/src/coupon/index.js
@@ -1,15 +1,23 @@
 import { createNamespace } from '../utils';
 import { RED } from '../utils/constant';
-import { dateToString } from '../sku/utils/time-helper';
+import { padZero } from '../utils/format/string';
 import Checkbox from '../checkbox';
 
 const [createComponent, bem, t] = createNamespace('coupon');
 
-function getDate(timeStamp) {
-  if (timeStamp >= 1000000000000) {
-    return dateToString(new Date(timeStamp * 1), 'datetime');
+function formatTimeStamp(timeStamp) {
+  // compatible when the timestamp is seconds
+  if (timeStamp < 10 ** 12) {
+    return timeStamp * 1000;
   }
-  return dateToString(new Date(timeStamp * 1000));
+  return timeStamp;
+}
+
+function getDate(timeStamp) {
+  const date = new Date(formatTimeStamp(timeStamp));
+  return `${date.getFullYear()}.${padZero(date.getMonth() + 1)}.${padZero(
+    date.getDate()
+  )}`;
 }
 
 function formatDiscount(discount) {
@@ -36,7 +44,7 @@ export default createComponent({
   computed: {
     validPeriod() {
       const { startAt, endAt, customValidPeriod } = this.coupon;
-      return customValidPeriod ? customValidPeriod : `${getDate(startAt)} - ${getDate(endAt)}`;
+      return customValidPeriod || `${getDate(startAt)} - ${getDate(endAt)}`;
     },
 
     faceAmount() {