diff --git a/packages/vant/src/date-picker/README.md b/packages/vant/src/date-picker/README.md
index a89add262..0c0cc33d9 100644
--- a/packages/vant/src/date-picker/README.md
+++ b/packages/vant/src/date-picker/README.md
@@ -56,7 +56,7 @@ For example:
   title="Choose Year-Month"
   :min-date="minDate"
   :max-date="maxDate"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -65,11 +65,13 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
     return {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 5, 1),
       currentDate,
+      columnsType,
     };
   },
 };
@@ -84,7 +86,7 @@ export default {
   :min-date="minDate"
   :max-date="maxDate"
   :formatter="formatter"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -93,7 +95,8 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
 
     const formatter = (type, val) => {
       if (type === 'year') {
@@ -110,6 +113,7 @@ export default {
       maxDate: new Date(2025, 5, 1),
       formatter,
       currentDate,
+      columnsType,
     };
   },
 };
@@ -124,7 +128,7 @@ export default {
   :filter="filter"
   :min-date="minDate"
   :max-date="maxDate"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -133,7 +137,8 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
     const filter = (type, options) => {
       if (type === 'month') {
         return options.filter((option) => Number(option.value) % 6 === 0);
@@ -146,6 +151,7 @@ export default {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 5, 1),
       currentTime,
+      columnsType,
     };
   },
 };
diff --git a/packages/vant/src/date-picker/README.zh-CN.md b/packages/vant/src/date-picker/README.zh-CN.md
index e6f9032d3..256716b76 100644
--- a/packages/vant/src/date-picker/README.zh-CN.md
+++ b/packages/vant/src/date-picker/README.zh-CN.md
@@ -58,7 +58,7 @@ export default {
   title="选择年月"
   :min-date="minDate"
   :max-date="maxDate"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -67,11 +67,13 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
     return {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 5, 1),
       currentDate,
+      columnsType,
     };
   },
 };
@@ -88,7 +90,7 @@ export default {
   :min-date="minDate"
   :max-date="maxDate"
   :formatter="formatter"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -97,7 +99,8 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
 
     const formatter = (type, val) => {
       if (type === 'year') {
@@ -114,6 +117,7 @@ export default {
       maxDate: new Date(2025, 5, 1),
       formatter,
       currentDate,
+      columnsType,
     };
   },
 };
@@ -130,7 +134,7 @@ export default {
   :filter="filter"
   :min-date="minDate"
   :max-date="maxDate"
-  :columns-type="['year', 'month']"
+  :columns-type="columnsType"
 />
 ```
 
@@ -139,7 +143,8 @@ import { ref } from 'vue';
 
 export default {
   setup() {
-    const currentDate = ref(['2021', '01', '01']);
+    const currentDate = ref(['2021', '01']);
+    const columnsType = ['year', 'month'];
     const filter = (type, options) => {
       if (type === 'month') {
         return options.filter((option) => Number(option.value) % 6 === 0);
@@ -152,6 +157,7 @@ export default {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 5, 1),
       currentTime,
+      columnsType,
     };
   },
 };
diff --git a/packages/vant/src/date-picker/demo/index.vue b/packages/vant/src/date-picker/demo/index.vue
index 297f6d6d4..5b4dd2127 100644
--- a/packages/vant/src/date-picker/demo/index.vue
+++ b/packages/vant/src/date-picker/demo/index.vue
@@ -3,6 +3,7 @@ import VanDatePicker from '..';
 import { ref } from 'vue';
 import { useTranslate } from '../../../docs/site/use-translate';
 import type { PickerOption } from '../../picker';
+import { DatePickerColumnType } from '../DatePicker';
 
 const t = useTranslate({
   'zh-CN': {
@@ -30,9 +31,11 @@ const t = useTranslate({
 const minDate = new Date(2020, 0, 1);
 const maxDate = new Date(2025, 5, 1);
 const basicDate = ref(['2021', '01', '01']);
-const yearMonthDate = ref(['2021', '01', '01']);
-const formatterDate = ref(['2021', '01', '01']);
-const filterDate = ref(['2021', '01', '01']);
+const yearMonthDate = ref(['2021', '01']);
+const formatterDate = ref(['2021', '01']);
+const filterDate = ref(['2021', '01']);
+
+const columnsType: DatePickerColumnType[] = ['year', 'month'];
 
 const filter = (type: string, options: PickerOption[]) => {
   if (type === 'month') {
@@ -71,7 +74,7 @@ const formatter = (type: string, option: PickerOption) => {
       :title="t('chooseYearMonth')"
       :min-date="minDate"
       :max-date="maxDate"
-      :columns-type="['year', 'month']"
+      :columns-type="columnsType"
     />
   </demo-block>
 
@@ -82,7 +85,7 @@ const formatter = (type: string, option: PickerOption) => {
       :min-date="minDate"
       :max-date="maxDate"
       :formatter="formatter"
-      :columns-type="['year', 'month']"
+      :columns-type="columnsType"
     />
   </demo-block>
 
@@ -93,7 +96,7 @@ const formatter = (type: string, option: PickerOption) => {
       :filter="filter"
       :min-date="minDate"
       :max-date="maxDate"
-      :columns-type="['year', 'month']"
+      :columns-type="columnsType"
     />
   </demo-block>
 </template>