diff --git a/src/picker/index.js b/src/picker/index.js
index b04d7fc7d..2bc8062f1 100644
--- a/src/picker/index.js
+++ b/src/picker/index.js
@@ -79,34 +79,40 @@ export default createComponent({
       return this.children[index];
     },
 
+    // @exposed-api
     // get column value by index
     getColumnValue(index) {
       const column = this.getColumn(index);
       return column && column.getValue();
     },
 
+    // @exposed-api
     // set column value by index
     setColumnValue(index, value) {
       const column = this.getColumn(index);
       column && column.setValue(value);
     },
 
+    // @exposed-api
     // get column option index by column index
     getColumnIndex(columnIndex) {
       return (this.getColumn(columnIndex) || {}).currentIndex;
     },
 
+    // @exposed-api
     // set column option index by column index
     setColumnIndex(columnIndex, optionIndex) {
       const column = this.getColumn(columnIndex);
       column && column.setIndex(optionIndex);
     },
 
+    // @exposed-api
     // get options of column by index
     getColumnValues(index) {
       return (this.children[index] || {}).options;
     },
 
+    // @exposed-api
     // set options of column by index
     setColumnValues(index, options) {
       const column = this.children[index];
@@ -119,11 +125,13 @@ export default createComponent({
       }
     },
 
+    // @exposed-api
     // get values of all columns
     getValues() {
       return this.children.map(child => child.getValue());
     },
 
+    // @exposed-api
     // set values of all columns
     setValues(values) {
       values.forEach((value, index) => {
@@ -131,11 +139,13 @@ export default createComponent({
       });
     },
 
+    // @exposed-api
     // get indexes of all columns
     getIndexes() {
       return this.children.map(child => child.currentIndex);
     },
 
+    // @exposed-api
     // set indexes of all columns
     setIndexes(indexes) {
       indexes.forEach((optionIndex, columnIndex) => {
diff --git a/types/index.d.ts b/types/index.d.ts
index 03a76d4a1..64c4c72ae 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -14,6 +14,8 @@ import { Lazyload } from './lazyload';
 import { List } from './list';
 import { Locale } from './locale';
 import { Notify } from './notify';
+import { Picker } from './picker';
+import { Sku } from './sku';
 import { Swipe } from './swipe';
 import { SwipeCell } from './swipe-cell';
 import { Tabs } from './tabs';
@@ -59,7 +61,6 @@ export class Overlay extends VanComponent {}
 export class Pagination extends VanComponent {}
 export class Panel extends VanComponent {}
 export class PasswordInput extends VanComponent {}
-export class Picker extends VanComponent {}
 export class Popup extends VanComponent {}
 export class Progress extends VanComponent {}
 export class PullRefresh extends VanComponent {}
@@ -71,7 +72,6 @@ export class Search extends VanComponent {}
 export class Sidebar extends VanComponent {}
 export class SidebarItem extends VanComponent {}
 export class Skeleton extends VanComponent {}
-export class Sku extends VanComponent {}
 export class Slider extends VanComponent {}
 export class Step extends VanComponent {}
 export class Stepper extends VanComponent {}
@@ -101,6 +101,8 @@ export {
   List,
   Locale,
   Notify,
+  Picker,
+  Sku,
   Swipe,
   SwipeCell,
   Tabs,
diff --git a/types/picker.d.ts b/types/picker.d.ts
new file mode 100644
index 000000000..840e48be8
--- /dev/null
+++ b/types/picker.d.ts
@@ -0,0 +1,23 @@
+import { VanComponent } from './component';
+
+export class Picker extends VanComponent {
+  getValues(): string[];
+
+  setValues(values: string[]): void;
+
+  getIndexes(): number[];
+
+  setIndexes(indexes: number[]): void;
+
+  getColumnValue(columnIndex: number): string;
+
+  setColumnValue(columnIndex: number, value: string): void;
+
+  getColumnIndex(columnIndex: number): number;
+
+  setColumnIndex(columnIndex: number, optionIndex: number): void;
+
+  getColumnValues(columnIndex: number): string[];
+
+  setColumnValues(columnIndex: number, values: string[]): void;
+}