chore: prefer named exports (#8315)

* chore: prefer named exports

* chore: fix import

src/number-keyboard/NumberKeyboardKey.tsx

@@ -1,7 +1,7 @@
 import { ref, PropType, defineComponent } from 'vue';
 import { createNamespace } from '../utils';
 import { useTouch } from '../composables/use-touch';
-import Loading from '../loading';
+import { Loading } from '../loading';
 
 const [name, bem] = createNamespace('key');
 

src/number-keyboard/demo/index.vue

@@ -92,7 +92,7 @@
 <script lang="ts">
 import { reactive, toRefs } from 'vue';
 import { useTranslate } from '@demo/use-translate';
-import Toast from '../../toast';
+import { Toast } from '../../toast';
 
 const i18n = {
   'zh-CN': {

src/number-keyboard/test/index.spec.ts

@@ -1,4 +1,4 @@
-import NumberKeyboard from '..';
+import { NumberKeyboard } from '..';
 import { mount, trigger, later } from '../../../test';
 
 function clickKey(key: Parameters<typeof trigger>[0]) {