换了新电脑，就是快

portal/src/app/main/channel/channel.component.html

 <app-toolbar>
   <button nz-button (click)="edit()" nzType="primary">创建</button>
+  <button nz-button (click)="load()" nzType="primary">刷新</button>
 </app-toolbar>
 <nz-table #basicTable [nzData]="channels">
   <thead>

portal/src/app/main/icons-provider.module.ts

@@ -8,19 +8,21 @@ import {
   DashboardOutline,
   SettingOutline,
   LogoutOutline,
-  MailOutline,
   ApiOutline,
   HddOutline,
+  ApartmentOutline,
 } from '@ant-design/icons-angular/icons';
 import {CommonModule} from '@angular/common';
 
-const icons = [MenuFoldOutline, MenuUnfoldOutline, DashboardOutline, FormOutline, SettingOutline, LogoutOutline, ApiOutline, HddOutline];
+const icons = [MenuFoldOutline, MenuUnfoldOutline, DashboardOutline,
+  FormOutline, SettingOutline, LogoutOutline, ApiOutline,
+  HddOutline, ApartmentOutline];
 
 @NgModule({
   imports: [CommonModule, NzIconModule.forChild(icons)],
   exports: [NzIconModule],
   providers: [
-    { provide: NZ_ICONS, useValue: icons }
+    {provide: NZ_ICONS, useValue: icons}
   ]
 })
 export class IconsProviderModule {

portal/src/app/main/main.component.ts

@@ -35,6 +35,13 @@ export class MainComponent implements OnInit {
         }
       ]
     },
+    {
+      title: 'Modbus',
+      icon: 'apartment',
+      open: false,
+      children: [
+      ]
+    },
     {
       title: '系统设置',
       icon: 'setting',