update 去掉el的引入

src/plugins/modal.ts

@@ -1,4 +1,4 @@
-import { ElMessage, ElMessageBox, ElNotification, ElLoading, MessageBoxData } from 'element-plus';
+import { MessageBoxData } from 'element-plus';
 import { LoadingInstance } from 'element-plus/es/components/loading/src/loading';
 let loadingInstance: LoadingInstance;
 export default {