diff --git a/src/navbar/__test__/index.test.jsx b/src/navbar/__test__/index.test.jsx
index 78c739583..5ead22e74 100644
--- a/src/navbar/__test__/index.test.jsx
+++ b/src/navbar/__test__/index.test.jsx
@@ -9,10 +9,10 @@ describe('navbar', () => {
   describe('props', () => {
     it('fixed', async () => {
       const navbar = mount(<NavBar title="标题" />);
-      expect(navbar.vm.navStyle).toContain('position: fixed');
+      expect(navbar.element.style.position).toBe('fixed')
 
       await navbar.setProps({ fixed: false });
-      expect(navbar.vm.navStyle).toContain('position: relative');
+      expect(navbar.element.style.position).toBe('relative')
     });
 
     it('leftArrow', () => {