diff --git a/src/Drawer.tsx b/src/Drawer.tsx
index 7231c481..eef991ab 100644
--- a/src/Drawer.tsx
+++ b/src/Drawer.tsx
@@ -133,7 +133,7 @@ const Drawer: React.FC<DrawerProps> = props => {
         open={mergedOpen || forceRender || animatedVisible}
         autoDestroy={false}
         getContainer={getContainer}
-        autoLock={mask && (mergedOpen || animatedVisible)}
+        autoLock={mergedOpen || animatedVisible}
       >
         <DrawerPopup {...drawerPopupProps} />
       </Portal>
diff --git a/tests/index.spec.tsx b/tests/index.spec.tsx
index d41e9493..7ecd5214 100755
--- a/tests/index.spec.tsx
+++ b/tests/index.spec.tsx
@@ -143,8 +143,10 @@ describe('rc-drawer-menu', () => {
   });
 
   describe('mask', () => {
-    it('mask false not lock body scroll', () => {
-      const { unmount } = render(<Drawer open mask={false} />);
+    it('not lock body scroll when getContainer is not body', () => {
+      const div = document.createElement('div');
+      document.body.appendChild(div);
+      const { unmount } = render(<Drawer open getContainer={() => div} />);
       const drawer = document.querySelector('.rc-drawer');
       expect(drawer).toBeTruthy();
       expect(document.body.contains(drawer)).toBeTruthy();
@@ -154,6 +156,19 @@ describe('rc-drawer-menu', () => {
       unmount();
     });
 
+    it('lock body scroll when getContainer give document.body', () => {
+      const { unmount } = render(
+        <Drawer open getContainer={() => document.body} />,
+      );
+      const drawer = document.querySelector('.rc-drawer');
+      expect(drawer).toBeTruthy();
+      expect(document.body.contains(drawer)).toBeTruthy();
+      expect(document.body).toHaveStyle({
+        overflowY: 'hidden',
+      });
+      unmount();
+    });
+
     it('maskClosable', () => {
       const onClose = jest.fn();
       const { container } = render(