chore: typo

src/components/Page/index.ts

 import { withInstall } from '/@/utils';
 
 import pageFooter from './src/PageFooter.vue';
-import pageWrapper from './src/pageWrapper.vue';
+import pageWrapper from './src/PageWrapper.vue';
 
 export const PageFooter = withInstall(pageFooter);
 export const PageWrapper = withInstall(pageWrapper);