diff --git a/packages/vant/src/contact-list/README.md b/packages/vant/src/contact-list/README.md
index b28524855..8116371fd 100644
--- a/packages/vant/src/contact-list/README.md
+++ b/packages/vant/src/contact-list/README.md
@@ -74,7 +74,7 @@ export default {
 | Attribute | Description | Type | Default |
 | --- | --- | --- | --- |
 | v-model | Id of chosen contact | _number \| string_ | - |
-| list | Contact list | _Contact[]_ | `[]` |
+| list | Contact list | _ContactListItem[]_ | `[]` |
 | add-text | Add button text | _string_ | `Add new contact` |
 | default-tag-text | Default tag text | _string_ | - |
 
@@ -83,17 +83,17 @@ export default {
 | Event | Description | Arguments |
 | --- | --- | --- |
 | add | Emitted when the add button is clicked | - |
-| edit | Emitted when the edit button is clicked | _contact: Contact, index: number_ |
-| select | Emitted when a contact is selected | _contact: Contact, index: number_ |
+| edit | Emitted when the edit button is clicked | _contact: ContactListItem, index: number_ |
+| select | Emitted when a contact is selected | _contact: ContactListItem, index: number_ |
 
-### Data Structure of Contact
+### Data Structure of ContactListItem
 
-| key       | Description        | Type               |
-| --------- | ------------------ | ------------------ |
-| id        | ID                 | _number \| string_ |
-| name      | Name               | _string_           |
-| tel       | Phone              | _string_           |
-| isDefault | Is default contact | _boolean_          |
+| key       | Description        | Type                   |
+| --------- | ------------------ | ---------------------- |
+| id        | ID                 | _number \| string_     |
+| name      | Name               | _string_               |
+| tel       | Phone              | _string_               |
+| isDefault | Is default contact | _boolean \| undefined_ |
 
 ### Types
 
diff --git a/packages/vant/src/contact-list/README.zh-CN.md b/packages/vant/src/contact-list/README.zh-CN.md
index 797a963d7..4fa2b104d 100644
--- a/packages/vant/src/contact-list/README.zh-CN.md
+++ b/packages/vant/src/contact-list/README.zh-CN.md
@@ -71,29 +71,29 @@ export default {
 
 ### Props
 
-| 参数             | 说明                | 类型               | 默认值       |
-| ---------------- | ------------------- | ------------------ | ------------ |
-| v-model          | 当前选中联系人的 id | _number \| string_ | -            |
-| list             | 联系人列表          | _Contact[]_        | `[]`         |
-| add-text         | 新建按钮文案        | _string_           | `新建联系人` |
-| default-tag-text | 默认联系人标签文案  | _string_           | -            |
+| 参数             | 说明                | 类型                | 默认值       |
+| ---------------- | ------------------- | ------------------- | ------------ |
+| v-model          | 当前选中联系人的 id | _number \| string_  | -            |
+| list             | 联系人列表          | _ContactListItem[]_ | `[]`         |
+| add-text         | 新建按钮文案        | _string_            | `新建联系人` |
+| default-tag-text | 默认联系人标签文案  | _string_            | -            |
 
 ### Events
 
-| 事件名 | 说明                   | 回调参数                          |
-| ------ | ---------------------- | --------------------------------- |
-| add    | 点击新增按钮时触发     | -                                 |
-| edit   | 点击编辑按钮时触发     | _contact: Contact，index: number_ |
-| select | 切换选中的联系人时触发 | _contact: Contact，index: number_ |
+| 事件名 | 说明                   | 回调参数                                  |
+| ------ | ---------------------- | ----------------------------------------- |
+| add    | 点击新增按钮时触发     | -                                         |
+| edit   | 点击编辑按钮时触发     | _contact: ContactListItem，index: number_ |
+| select | 切换选中的联系人时触发 | _contact: ContactListItem，index: number_ |
 
-### Contact 数据结构
+### ContactListItem 数据结构
 
-| 键名      | 说明                 | 类型               |
-| --------- | -------------------- | ------------------ |
-| id        | 每位联系人的唯一标识 | _number \| string_ |
-| name      | 联系人姓名           | _string_           |
-| tel       | 联系人手机号         | _number \| string_ |
-| isDefault | 是否为默认联系人     | _boolean_          |
+| 键名      | 说明                 | 类型                   |
+| --------- | -------------------- | ---------------------- |
+| id        | 每位联系人的唯一标识 | _number \| string_     |
+| name      | 联系人姓名           | _string_               |
+| tel       | 联系人手机号         | _number \| string_     |
+| isDefault | 是否为默认联系人     | _boolean \| undefined_ |
 
 ### 类型定义