添加维护页面

src/app/view/maintain/maintain.component.ts

@@ -0,0 +1,16 @@
+import {Component, OnInit} from '@angular/core';
+
+@Component({
+    selector: 'app-maintain',
+    templateUrl: './maintain.component.html',
+    styleUrls: ['./maintain.component.less']
+})
+export class MaintainComponent implements OnInit {
+
+    constructor() {
+    }
+
+    ngOnInit(): void {
+    }
+
+}