[修正] 修正nodemodel报错

src/app/ui/all-file/all-file.component.ts

@@ -8,7 +8,7 @@ import { IsLoginService } from '../../is-login.service'
 import { MatDialog, MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
 import {UploadFilesComponent} from '../upload-files/upload-files.component'
 import { ComponentServiceService } from '../../component-service.service'
-import { element } from 'protractor';
+
 @Component({
   selector: 'app-all-file',
   templateUrl: './all-file.component.html',