diff --git a/docs/examples/draggable.tsx b/docs/examples/draggable.tsx
index d5a5d2d6..4e0f82b6 100644
--- a/docs/examples/draggable.tsx
+++ b/docs/examples/draggable.tsx
@@ -7,6 +7,7 @@ import '../../assets/index.less';
const MyControl: React.FC = () => {
const [visible, setVisible] = React.useState(false);
const [disabled, setDisabled] = React.useState(true);
+ const nodeRef = React.useRef(null);
const onClick = () => {
setVisible(true);
};
@@ -46,7 +47,7 @@ const MyControl: React.FC = () => {
modal
}
- modalRender={(modal) =>