chore: prefer named exports (#8315)

* chore: prefer named exports

* chore: fix import

src/contact-card/ContactCard.tsx

@@ -1,6 +1,6 @@
 import { PropType, defineComponent } from 'vue';
 import { createNamespace } from '../utils';
-import Cell from '../cell';
+import { Cell } from '../cell';
 
 const [name, bem, t] = createNamespace('contact-card');
 

src/contact-card/demo/index.vue

@@ -25,7 +25,7 @@
 <script lang="ts">
 import { computed } from 'vue';
 import { useTranslate } from '@demo/use-translate';
-import Toast from '../../toast';
+import { Toast } from '../../toast';
 
 const i18n = {
   'zh-CN': {

src/contact-card/test/index.spec.ts

@@ -1,4 +1,4 @@
-import ContactCard from '..';
+import { ContactCard } from '..';
 import { mount } from '../../../test';
 
 test('should emit click event when clicked', () => {