diff --git a/src/dropdown-item/index.js b/src/dropdown-item/index.js
index 8987fbc72..d7c400d77 100644
--- a/src/dropdown-item/index.js
+++ b/src/dropdown-item/index.js
@@ -56,6 +56,7 @@ export default createComponent({
   },
 
   methods: {
+    // @exposed-api
     toggle(show = !this.showPopup, options = {}) {
       if (show === this.showPopup) {
         return;
diff --git a/src/dropdown-menu/README.zh-CN.md b/src/dropdown-menu/README.zh-CN.md
index e3b340eb5..c6d282711 100644
--- a/src/dropdown-menu/README.zh-CN.md
+++ b/src/dropdown-menu/README.zh-CN.md
@@ -158,7 +158,7 @@ export default {
 
 | 方法名 | 说明 | 参数 | 返回值 |
 |------|------|------|------|
-| toggle | 切换菜单是否展示 | show: boolean | - |
+| toggle | 切换菜单展示状态，传`true`为显示，`false`为隐藏，不传参为取反 | show?: boolean | - |
 
 ### Option 数据结构
 
diff --git a/types/dropdown-item.d.ts b/types/dropdown-item.d.ts
new file mode 100644
index 000000000..84f21eea8
--- /dev/null
+++ b/types/dropdown-item.d.ts
@@ -0,0 +1,5 @@
+import { VanComponent } from './component';
+
+export class DropdownItem extends VanComponent {
+  toggle(show?: boolean): void;
+}