diff --git a/src/core/XSystem.ts b/src/core/XSystem.ts
index 5bc4901..e588e08 100644
--- a/src/core/XSystem.ts
+++ b/src/core/XSystem.ts
@@ -11,6 +11,10 @@ import type { IProcess } from '@/core/process/IProcess.ts'
 import type { IProcessInfo } from '@/core/process/IProcessInfo.ts'
 import { ObservableWeakRefImpl } from '@/core/state/impl/ObservableWeakRefImpl.ts'
 import type { IObservable } from '@/core/state/IObservable.ts'
+import { NotificationService } from '@/core/service/services/NotificationService.ts'
+import { SettingsService } from '@/core/service/services/SettingsService.ts'
+import { WindowFormService } from '@/core/service/services/WindowFormService.ts'
+import { UserService } from '@/core/service/services/UserService.ts'
 
 interface IGlobalState {
   isLogin: boolean
@@ -28,6 +32,10 @@ export default class XSystem {
 
   constructor() {
     console.log('XSystem')
+    new NotificationService()
+    new SettingsService()
+    new WindowFormService()
+    new UserService()
   }
 
   public static get instance() {
diff --git a/src/core/process/IProcessManage.ts b/src/core/process/IProcessManage.ts
index be8dac1..c189d31 100644
--- a/src/core/process/IProcessManage.ts
+++ b/src/core/process/IProcessManage.ts
@@ -9,10 +9,10 @@ export interface IProcessManage {
   /** 所有进程信息 */
   get processInfos(): IProcessInfo[];
   /**
-   * 添加进程
+   * 注册进程
    * @param process 进程
    */
-  addProcess(process: IProcess): void;
+  registerProcess(process: IProcess): void;
   /**
    * 通过进程id查找进程
    * @param id 进程id
diff --git a/src/core/process/impl/ProcessImpl.ts b/src/core/process/impl/ProcessImpl.ts
index 07bc25f..cb0de53 100644
--- a/src/core/process/impl/ProcessImpl.ts
+++ b/src/core/process/impl/ProcessImpl.ts
@@ -30,7 +30,7 @@ export default class ProcessImpl implements IProcess {
 
     const startName = info.startName;
 
-    XSystem.instance.processManage.addProcess(this);
+    XSystem.instance.processManage.registerProcess(this);
     // 通过设置 isJustProcess 为 true，则不会创建窗体
     if (!info.isJustProcess) {
       this.openWindowForm(startName)
diff --git a/src/core/process/impl/ProcessManageImpl.ts b/src/core/process/impl/ProcessManageImpl.ts
index 5f04529..8ef9784 100644
--- a/src/core/process/impl/ProcessManageImpl.ts
+++ b/src/core/process/impl/ProcessManageImpl.ts
@@ -36,7 +36,7 @@ export default class ProcessManageImpl implements IProcessManage {
   }
 
   // 添加进程
-  public addProcess(process: ProcessImpl) {
+  public registerProcess(process: ProcessImpl) {
     this._processPool.set(process.id, process);
   }
 
diff --git a/src/core/service/kernel/AService.ts b/src/core/service/kernel/AService.ts
new file mode 100644
index 0000000..3774415
--- /dev/null
+++ b/src/core/service/kernel/AService.ts
@@ -0,0 +1,21 @@
+import { serviceManager, type ServiceManager } from '@/core/service/kernel/ServiceManager.ts'
+
+/**
+ * 服务基类 - 抽象类
+ */
+export abstract class AService {
+  private readonly _id: string;
+  private _sm: ServiceManager = serviceManager;
+
+  get id() {
+    return this._id;
+  }
+  get sm() {
+    return this._sm;
+  }
+
+  protected constructor(id: string) {
+    this._id = id;
+    this._sm.registerService(this);
+  }
+}
diff --git a/src/core/service/kernel/EventService.ts b/src/core/service/kernel/EventService.ts
new file mode 100644
index 0000000..e177c4a
--- /dev/null
+++ b/src/core/service/kernel/EventService.ts
@@ -0,0 +1,98 @@
+/**
+ * 事件定义
+ * @interface IEventMap 事件定义 键是事件名称，值是事件处理函数
+ */
+export interface IEventMap {
+  [key: string]: (...args: any[]) => void
+}
+
+interface HandlerWrapper<T extends (...args: any[]) => any> {
+  fn: T
+  once: boolean
+}
+
+export class EventService<Events extends IEventMap> {
+  private _eventHandlers = new Map<keyof Events, Set<HandlerWrapper<Events[keyof Events]>>>()
+
+  /**
+   * 添加事件监听器
+   * @param eventName 事件名称
+   * @param handler 监听器
+   * @param options { immediate: 立即执行一次 immediateArgs: 立即执行的参数 once: 只监听一次 }
+   * @example
+   * eventBus.addEventListener('noArgs', () => {})
+   * eventBus.addEventListener('greet', name => {}, { immediate: true, immediateArgs: ['abc'] })
+   * eventBus.addEventListener('onResize', (w, h) => {}, { immediate: true, immediateArgs: [1, 2] })
+   */
+  addEventListener<E extends keyof Events, F extends Events[E]>(
+    eventName: E,
+    handler: F,
+    options?: {
+      immediate?: boolean;
+      immediateArgs?: Parameters<F>;
+      once?: boolean;
+    },
+  ) {
+    if (!handler) return
+    if (!this._eventHandlers.has(eventName)) {
+      this._eventHandlers.set(eventName, new Set<HandlerWrapper<F>>())
+    }
+
+    const set = this._eventHandlers.get(eventName)!
+    if (![...set].some((wrapper) => wrapper.fn === handler)) {
+      set.add({ fn: handler, once: options?.once ?? false })
+    }
+
+    if (options?.immediate) {
+      try {
+        handler(...(options.immediateArgs ?? []))
+      } catch (e) {
+        console.error(e)
+      }
+    }
+  }
+
+  /**
+   * 移除事件监听器
+   * @param eventName 事件名称
+   * @param handler 监听器
+   * @example
+   * eventBus.removeEventListener('noArgs', () => {})
+   */
+  removeEventListener<E extends keyof Events, F extends Events[E]>(eventName: E, handler: F) {
+    const set = this._eventHandlers.get(eventName)
+    if (!set) return
+
+    for (const wrapper of set) {
+      if (wrapper.fn === handler) {
+        set.delete(wrapper)
+      }
+    }
+  }
+
+  /**
+   * 通知事件
+   * @param eventName 事件名称
+   * @param args 参数
+   * @example
+   * eventBus.notifyEvent('noArgs')
+   * eventBus.notifyEvent('greet', 'Alice')
+   * eventBus.notifyEvent('onResize', 1, 2)
+   */
+  notifyEvent<E extends keyof Events, F extends Events[E]>(eventName: E, ...args: Parameters<F>) {
+    if (!this._eventHandlers.has(eventName)) return
+
+    const set = this._eventHandlers.get(eventName)!
+    for (const wrapper of set) {
+      try {
+        wrapper.fn(...args)
+      } catch (e) {
+        console.error(e)
+      }
+
+      if (wrapper.once) {
+        set.delete(wrapper)
+      }
+    }
+  }
+}
diff --git a/src/core/service/kernel/ServiceManager.ts b/src/core/service/kernel/ServiceManager.ts
new file mode 100644
index 0000000..8e8dba4
--- /dev/null
+++ b/src/core/service/kernel/ServiceManager.ts
@@ -0,0 +1,41 @@
+import type { AService } from '@/core/service/kernel/AService.ts'
+
+/**
+ * 服务管理
+ */
+export class ServiceManager {
+  private _services: Map<string, AService> = new Map<string, AService>();
+
+  get services(): Map<string, AService> {
+    return this._services
+  }
+
+  /**
+   * 注册服务
+   * @param service
+   */
+  registerService(service: AService): void {
+    if (this._services.has(service.id)) {
+      throw new Error(`服务 ${service.id} 已存在`)
+    }
+    this._services.set(service.id, service)
+  }
+
+  /**
+   * 通过id获取服务
+   * @param id
+   */
+  getService<T extends AService>(id: string): T | undefined {
+    return this._services.get(id) as T | undefined
+  }
+
+  /**
+   * 广播
+   * @param event
+   * @param data
+   */
+  broadcast(event: string, data?: any): void {
+  }
+}
+
+export const serviceManager = new ServiceManager()
diff --git a/src/core/service/services/NotificationService.ts b/src/core/service/services/NotificationService.ts
new file mode 100644
index 0000000..97fd2be
--- /dev/null
+++ b/src/core/service/services/NotificationService.ts
@@ -0,0 +1,8 @@
+import { AService } from '@/core/service/kernel/AService.ts'
+
+export class NotificationService extends AService {
+  constructor() {
+    super('NotificationService');
+    console.log('NotificationService - 服务注册')
+  }
+}
\ No newline at end of file
diff --git a/src/core/service/services/SettingsService.ts b/src/core/service/services/SettingsService.ts
new file mode 100644
index 0000000..c560680
--- /dev/null
+++ b/src/core/service/services/SettingsService.ts
@@ -0,0 +1,8 @@
+import { AService } from '@/core/service/kernel/AService.ts'
+
+export class SettingsService extends AService {
+  constructor() {
+    super('SettingsService')
+    console.log('SettingsService - 服务注册')
+  }
+}
\ No newline at end of file
diff --git a/src/core/service/services/UserService.ts b/src/core/service/services/UserService.ts
new file mode 100644
index 0000000..f6c87b9
--- /dev/null
+++ b/src/core/service/services/UserService.ts
@@ -0,0 +1,8 @@
+import { AService } from '@/core/service/kernel/AService.ts'
+
+export class UserService extends AService {
+  constructor() {
+    super("UserService");
+    console.log("UserService - 服务注册")
+  }
+}
\ No newline at end of file
diff --git a/src/core/service/services/WindowFormService.ts b/src/core/service/services/WindowFormService.ts
new file mode 100644
index 0000000..f71bf8b
--- /dev/null
+++ b/src/core/service/services/WindowFormService.ts
@@ -0,0 +1,112 @@
+import { AService } from '@/core/service/kernel/AService.ts'
+
+interface IWindow {
+  id: string;
+  title: string;
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+  zIndex: number;
+  minimized: boolean;
+  maximized: boolean;
+}
+
+export class WindowFormService extends AService {
+  private windows: Map<string, IWindow> = new Map();
+  private zCounter = 1;
+
+  constructor() {
+    super("WindowForm");
+    console.log('WindowFormService - 服务注册')
+  }
+
+  createWindow(title: string, config?: Partial<IWindow>): IWindow {
+    const id = `win-${Date.now()}-${Math.random()}`;
+    const win: IWindow = {
+      id,
+      title,
+      x: config?.x ?? 100,
+      y: config?.y ?? 100,
+      width: config?.width ?? 400,
+      height: config?.height ?? 300,
+      zIndex: this.zCounter++,
+      minimized: false,
+      maximized: false
+    };
+    this.windows.set(id, win);
+    this.sm.broadcast("WindowFrom:created", win);
+    return win;
+  }
+
+  closeWindow(id: string) {
+    if (this.windows.has(id)) {
+      this.windows.delete(id);
+      this.sm.broadcast("WindowFrom:closed", id);
+    }
+  }
+
+  focusWindow(id: string) {
+    const win = this.windows.get(id);
+    if (win) {
+      win.zIndex = this.zCounter++;
+      this.sm.broadcast("WindowFrom:focused", win);
+    }
+  }
+
+  minimizeWindow(id: string) {
+    const win = this.windows.get(id);
+    if (win) {
+      win.minimized = true;
+      this.sm.broadcast("WindowFrom:minimized", win);
+    }
+  }
+
+  maximizeWindow(id: string) {
+    const win = this.windows.get(id);
+    if (win) {
+      win.maximized = !win.maximized;
+      this.sm.broadcast("WindowFrom:maximized", win);
+    }
+  }
+
+  getWindows(): IWindow[] {
+    return Array.from(this.windows.values()).sort((a, b) => a.zIndex - b.zIndex);
+  }
+
+  onMessage(event: string, data?: any) {
+    console.log(`[WindowService] 收到事件:`, event, data);
+  }
+}
+
+// ==================== DesktopProcess ====================
+// class DesktopProcess implements IProcess {
+//   id = "desktop";
+//   private windows: IWindow[] = [];
+//
+//   constructor(private sm: ServiceManager) {
+//     sm.registerProcess(this);
+//   }
+//
+//   render() {
+//     console.log("\n[Desktop 渲染]");
+//     this.windows
+//         .sort((a, b) => a.zIndex - b.zIndex)
+//         .forEach(win => {
+//           console.log(
+//             `- ${win.title} (${win.id}) at (${win.x},${win.y}) size(${win.width}x${win.height}) z=${win.zIndex} ${win.minimized ? "[最小化]" : win.maximized ? "[最大化]" : ""}`
+//           );
+//         });
+//   }
+//
+//   onMessage(event: string, data?: any) {
+//     if (event.startsWith("window:")) {
+//       // 更新桌面维护的窗口列表
+//       const ws = this.sm.getService<WindowService>("window");
+//       if (ws) {
+//         this.windows = ws.getWindows();
+//         this.render();
+//       }
+//     }
+//   }
+// }
\ No newline at end of file