diff --git a/packages/vant/src/dropdown-menu/index.ts b/packages/vant/src/dropdown-menu/index.ts
index 26529af4c..7c05cac4b 100644
--- a/packages/vant/src/dropdown-menu/index.ts
+++ b/packages/vant/src/dropdown-menu/index.ts
@@ -5,7 +5,11 @@ export const DropdownMenu = withInstall(_DropdownMenu);
 export default DropdownMenu;
 export { dropdownMenuProps } from './DropdownMenu';
 export type { DropdownMenuProps };
-export type { DropdownMenuDirection, DropdownMenuThemeVars } from './types';
+export type {
+  DropdownMenuInstance,
+  DropdownMenuDirection,
+  DropdownMenuThemeVars,
+} from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {