diff --git a/src/dropdown-menu/dropdown-item-props.ts b/src/dropdown-menu/dropdown-item-props.ts
index 6dfb57d1b..0c7b56938 100644
--- a/src/dropdown-menu/dropdown-item-props.ts
+++ b/src/dropdown-menu/dropdown-item-props.ts
@@ -33,16 +33,16 @@ export default {
   },
   /** 选中值 */
   value: {
-    type: [String, Number] as PropType<TdDropdownItemProps['value']>,
+    type: [String, Number, Array] as PropType<TdDropdownItemProps['value']>,
     default: undefined,
   },
   modelValue: {
-    type: [String, Number] as PropType<TdDropdownItemProps['value']>,
+    type: [String, Number, Array] as PropType<TdDropdownItemProps['value']>,
     default: undefined,
   },
   /** 选中值，非受控属性 */
   defaultValue: {
-    type: [String, Number] as PropType<TdDropdownItemProps['defaultValue']>,
+    type: [String, Number, Array] as PropType<TdDropdownItemProps['defaultValue']>,
     default: undefined,
   },
   /** 值改变时触发 */
diff --git a/src/dropdown-menu/dropdown-menu.en-US.md b/src/dropdown-menu/dropdown-menu.en-US.md
index b720a88d7..9af08b1ee 100644
--- a/src/dropdown-menu/dropdown-menu.en-US.md
+++ b/src/dropdown-menu/dropdown-menu.en-US.md
@@ -21,8 +21,8 @@ label | String | - | \- | N
 multiple | Boolean | false | \- | N
 options | Array | [] | Typescript：`Array<DropdownOption>` `interface DropdownOption { label: string; disabled: boolean; value: DropdownValue; }`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
 optionsColumns | String / Number | 1 | \- | N
-value | String / Number | undefined | `v-model` and `v-model:value` is supported。Typescript：`DropdownValue ` `type DropdownValue = string \| number;`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
-defaultValue | String / Number | undefined | uncontrolled property。Typescript：`DropdownValue ` `type DropdownValue = string \| number;`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
+value | String / Number / Array | undefined | `v-model` and `v-model:value` is supported。Typescript：`DropdownValue ` `type DropdownValue = string \| number \| Array<DropdownValue>;`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
+defaultValue | String / Number / Array | undefined | uncontrolled property。Typescript：`DropdownValue ` `type DropdownValue = string \| number \| Array<DropdownValue>;`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
 onChange | Function |  | Typescript：`(value: DropdownValue) => void`<br/> | N
 onConfirm | Function |  | Typescript：`(value: DropdownValue) => void`<br/> | N
 onReset | Function |  | Typescript：`(value: DropdownValue) => void`<br/> | N
diff --git a/src/dropdown-menu/dropdown-menu.md b/src/dropdown-menu/dropdown-menu.md
index 934d05078..603b8798f 100644
--- a/src/dropdown-menu/dropdown-menu.md
+++ b/src/dropdown-menu/dropdown-menu.md
@@ -21,8 +21,8 @@ label | String | - | 标题 | N
 multiple | Boolean | false | 是否多选 | N
 options | Array | [] | 选项数据。TS 类型：`Array<DropdownOption>` `interface DropdownOption { label: string; disabled: boolean; value: DropdownValue; }`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
 optionsColumns | String / Number | 1 | 选项分栏（1-3） | N
-value | String / Number | undefined | 选中值。支持语法糖 `v-model` 或 `v-model:value`。TS 类型：`DropdownValue ` `type DropdownValue = string \| number;`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
-defaultValue | String / Number | undefined | 选中值。非受控属性。TS 类型：`DropdownValue ` `type DropdownValue = string \| number;`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
+value | String / Number / Array | undefined | 选中值。支持语法糖 `v-model` 或 `v-model:value`。TS 类型：`DropdownValue ` `type DropdownValue = string \| number \| Array<DropdownValue>;`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
+defaultValue | String / Number / Array | undefined | 选中值。非受控属性。TS 类型：`DropdownValue ` `type DropdownValue = string \| number \| Array<DropdownValue>;`。[详细类型定义](https://github.com/Tencent/tdesign-mobile-vue/tree/develop/src/dropdown-menu/type.ts) | N
 onChange | Function |  | TS 类型：`(value: DropdownValue) => void`<br/>值改变时触发 | N
 onConfirm | Function |  | TS 类型：`(value: DropdownValue) => void`<br/>点击确认时触发 | N
 onReset | Function |  | TS 类型：`(value: DropdownValue) => void`<br/>点击重置时触发 | N
diff --git a/src/dropdown-menu/type.ts b/src/dropdown-menu/type.ts
index 792c4022b..79bfc03ef 100644
--- a/src/dropdown-menu/type.ts
+++ b/src/dropdown-menu/type.ts
@@ -96,4 +96,4 @@ export interface DropdownOption {
   value: DropdownValue;
 }
 
-export type DropdownValue = string | number;
+export type DropdownValue = string | number | Array<DropdownValue>;