chore(组件): 组件尽量使用异步导入模式

components/mescroll/mescroll-uni.vue

@@ -57,18 +57,13 @@
 	import MeScroll from './mescroll-uni.js';
 	// 引入全局配置
 	import GlobalOption from './mescroll-uni-option.js';
-	// 引入空布局组件
-	import MescrollEmpty from './components/mescroll-empty.vue';
-	// 引入回到顶部组件
-	import MescrollTop from './components/mescroll-top.vue';
-
-	import nsLoading from '@/components/ns-loading/ns-loading.vue';
 
 	export default {
 		name: 'mescroll-uni',
 		components: {
-			MescrollEmpty,
-			MescrollTop
+			MescrollEmpty: () => import('./components/mescroll-empty.vue'),
+			MescrollTop: () => import('./components/mescroll-top.vue'),
+			nsLoading: () => import('@/components/ns-loading/ns-loading.vue'),
 		},
 		props: {
 			down: Object, // 下拉刷新的参数配置