添加路由复用策略

src/app/pages/pages.module.ts

@@ -20,6 +20,6 @@ import { OperateSpinServiceService } from './operate-spin-service.service';
         PagesRoutingModule,
     ],
     declarations: [PagesComponent],
-    providers: [BasicDataService]
+    providers: [BasicDataService, OperateSpinServiceService]
 })
 export class PagesModule { }