Remove useless code

backend/src/app.ts

@@ -1,7 +1,7 @@
 // filepath: /d:/code/CloudDiskDown/backend/src/app.ts
 import "./types/express";
 import express from "express";
-import { container } from "./core/container";
+import { container } from "./inversify.config";
 import { TYPES } from "./core/types";
 import { DatabaseService } from "./services/DatabaseService";
 import { setupMiddlewares } from "./middleware";
@@ -22,7 +22,6 @@ class App {
 
     // 设置路由
     this.app.use("/", routes);
-    // 设置错误处理中间件
     this.app.use(errorHandler);
   }
 

backend/src/core/ServiceRegistry.ts

@@ -1,19 +0,0 @@
-export class ServiceRegistry {
-  private static instance: ServiceRegistry;
-  private services: Map<string, any> = new Map();
-
-  static getInstance(): ServiceRegistry {
-    if (!ServiceRegistry.instance) {
-      ServiceRegistry.instance = new ServiceRegistry();
-    }
-    return ServiceRegistry.instance;
-  }
-
-  register(name: string, service: any): void {
-    this.services.set(name, service);
-  }
-
-  get<T>(name: string): T {
-    return this.services.get(name);
-  }
-}

backend/src/core/container.ts

@@ -1,16 +0,0 @@
-import { Container } from "inversify";
-import { TYPES } from "./types";
-import { Cloud115Service } from "../services/Cloud115Service";
-import { QuarkService } from "../services/QuarkService";
-import { Searcher } from "../services/Searcher";
-import { DatabaseService } from "../services/DatabaseService";
-
-const container = new Container();
-
-// 注册服务
-container.bind<Cloud115Service>(TYPES.Cloud115Service).to(Cloud115Service);
-container.bind<QuarkService>(TYPES.QuarkService).to(QuarkService);
-container.bind<Searcher>(TYPES.Searcher).to(Searcher);
-container.bind<DatabaseService>(TYPES.DatabaseService).to(DatabaseService);
-
-export { container };