diff --git a/sidepanel/js/index.js b/sidepanel/js/index.js
index bb07739..1009ac5 100644
--- a/sidepanel/js/index.js
+++ b/sidepanel/js/index.js
@@ -1,10 +1,17 @@
-console.log('Before creating router');
+import { ScriptManager } from '../utils/scriptManager.js';
+import { TimerManager } from '../utils/timerManager.js';
+import { EventManager } from '../utils/eventManager.js';
 import { Router } from '../modules/Router.js';
 
 const config = {
   routerViewId: 'app',
   stackPages: false,
   routes: [
+    {
+      path: '/',
+      name: 'redirect',
+      html: 'pages/timestamp.html',
+    },
     {
       path: '/home',
       name: 'timestamp',
@@ -15,23 +22,23 @@ const config = {
       path: '/todo',
       name: 'todo',
       html: 'pages/todolist.html',
-      script: '',
     },
   ],
 };
 
+window.scriptManager = new ScriptManager();
+window.timerManager = new TimerManager();
+window.eventManager = new EventManager();
+
 const router = new Router();
-console.log('Router created:', router);
 router.init(config);
-console.log('Router initialized');
 
-document.addEventListener('click', (event) => {
-  const btn = event.target.closest('[data-route]');
+// click delegation
+document.addEventListener('click', (e) => {
+  const btn = e.target.closest('[data-route]');
   if (!btn) return;
-
-  const path = btn.getAttribute('data-route');
-  if (!path) return;
-
-  // 触发 hash 路由跳转
-  window.location.hash = path;
+  const p = btn.getAttribute('data-route');
+  location.hash = p;
+  // update active styling
+  document.querySelectorAll('[data-route]').forEach((b) => b.classList.toggle('active', b === btn));
 });
diff --git a/sidepanel/js/timestamp.js b/sidepanel/js/timestamp.js
index de167dd..70d6d5c 100644
--- a/sidepanel/js/timestamp.js
+++ b/sidepanel/js/timestamp.js
@@ -14,7 +14,6 @@ import { addEventListenerById } from '../utils/domUtils.js';
 
 (function (global) {
   global.timestampInit = async function () {
-    console.log('timestamp init');
     // 初始化时间戳显示
     initTimestampDisplay();
 
diff --git a/sidepanel/modules/Router.js b/sidepanel/modules/Router.js
index 33b2ad1..68fed2f 100644
--- a/sidepanel/modules/Router.js
+++ b/sidepanel/modules/Router.js
@@ -1,141 +1,111 @@
-import { getParamsUrl, closure, genKey } from '../utils/routeUtils.js';
-import { addClass, removeClass } from '../utils/domUtils.js';
-import { loadScript } from '../utils/scriptLoader.js';
+import { TimerManager } from '../utils/timerManager.js';
+import { EventManager } from '../utils/eventManager.js';
+import { ScriptManager } from '../utils/scriptManager.js';
 
 class Router {
   constructor() {
     this.routes = {};
     this.beforeFun = null;
     this.afterFun = null;
-    this.routerViewId = 'router-view';
+    this.routerViewId = 'app';
     this.redirectRoute = null;
     this.stackPages = true;
     this.routerMap = [];
     this.historyFlag = '';
     this.history = [];
+    this.scriptManager = window.scriptManager;
+    this.eventManager = window.eventManager;
+    this.timerManager = window.timerManager;
   }
 
   /**
    * 初始化路由
    */
   init(config) {
+    // 配置路由
     this.routerMap = config?.routes || this.routerMap;
     this.routerViewId = config?.routerViewId || this.routerViewId;
     this.stackPages = config?.stackPages ?? this.stackPages;
-
-    // 映射路由表
     this.map();
 
-    window.linkTo = (path) => {
-      if (path.includes('?')) {
-        location.hash = `${path}&key=${genKey()}`;
-      } else {
-        location.hash = `${path}?key=${genKey()}`;
-      }
-    };
-
-    window.addEventListener('load', (e) => {
-      this.historyChange(e);
-      this.updateActiveButton(e);
-    });
-    window.addEventListener('hashchange', (e) => {
-      this.historyChange(e);
-      this.updateActiveButton(e);
-    });
+    // 监听路由变化
+    window.addEventListener('hashchange', () => this.urlChange());
+    window.addEventListener('load', () => this.urlChange());
+    window.lintTo = (path) => this.naviage(path);
   }
 
-  async loadPage(route) {
-    console.log('加载页面：', route);
-    const html = await fetch(route.html).then((r) => r.text());
-    document.getElementById(this.routerViewId).innerHTML = html;
+  map() {
+    if (!this.routerMap.length) {
+      console.error('请配置路由');
+      return;
+    }
 
-    const initName = route.name + 'Init';
-    await loadScript(route.script, initName);
-
-    if (window[initName] && route.script) {
-      await window[initName]();
+    for (const r of this.routerMap) {
+      if (r.name == 'redirect') this.redirectRoute = r.path;
+      this.routes[r.path] = r;
     }
   }
 
   /**
-   * 加载 HTML 文件
+   * 导航
    */
-  async loadHTML(htmlPath) {
-    try {
-      const resp = await fetch(htmlPath);
-      if (!resp.ok) throw new Error(`HTML 加载失败: ${resp.status}`);
-      return await resp.text();
-    } catch (err) {
-      return `<h2>页面加载失败：${err.message}</h2>`;
-    }
-  }
-
-  /**
-   * 处理路由历史变化
-   */
-  historyChange(event) {
-    const { path, query } = getParamsUrl();
-    console.log('路由变化page{}, query{}', path, query);
-    this.urlChange();
+  naviage(path) {
+    window.location.hash = path;
   }
 
   /**
    * 路由解析与渲染
    */
   urlChange() {
-    const currentHash = getParamsUrl();
-    const { path, query } = currentHash;
+    const path = location.hash.replace('#', '') || this.redirectRoute;
+    console.log('当前路由：', path);
+    const route = this.routes[path];
 
-    if (!this.routes[path]) {
+    if (!route) {
       location.hash = this.redirectRoute;
       return;
     }
 
-    const next = () => this.changeView(currentHash);
+    const doChange = async () => {
+      this.timerManager.cleanAll();
+      this.eventManager.removeAll();
 
-    if (this.beforeFun) {
-      this.beforeFun({ to: { path, query }, next });
-    } else {
-      next();
-    }
-  }
-
-  /**
-   * 渲染页面
-   */
-  async changeView(currentHash) {
-    const { path } = currentHash;
-    const route = await this.routes[path];
-    const mountEl = document.getElementById(this.routerViewId);
-
-    if (!mountEl) {
-      console.error('挂载点不存在:', this.routerViewId);
-      return;
-    }
-
-    console.log('路由：', route);
-    this.loadPage(route);
-
-    // 执行 after 钩子
-    if (this.afterFun) this.afterFun(currentHash);
-  }
-
-  /**
-   * 构建路由映射
-   */
-  map() {
-    for (let r of this.routerMap) {
-      if (r.name === 'redirect') {
-        this.redirectRoute = r.path;
-      } else if (!this.redirectRoute) {
-        this.redirectRoute = this.routerMap[0].path;
+      const mount = document.getElementById(this.routerViewId);
+      if (!mount) {
+        console.error('挂载点不存在:', this.routerViewId);
+        return;
       }
 
-      this.routes[r.path] = {
-        name: r.name,
-        html: r.html,
-        script: r.script,
-      };
+      if (!this.stackPages) mount.innerHTML = '';
+
+      if (route.html) {
+        try {
+          const html = await fetch(route.html).then((r) => r.text());
+          mount.innerHTML = html;
+        } catch (e) {
+          mount.innerHTML = `<h2>页面加载失败：${e.message}</h2>`;
+        }
+      }
+
+      if (route.script) {
+        await this.scriptManager.loadScript({
+          path: route.script,
+          name: route.name,
+          isModule: route.isModule,
+          deps: route.deps,
+        });
+      }
+
+      await this.scriptManager.runInit(route.name);
+
+      this.currentRoute = route;
+      if (this.afterFun) this.afterFun(route);
+    };
+
+    if (this.beforeFun) {
+      this.beforeFun({ to: route, next: doChange });
+    } else {
+      doChange();
     }
   }
 
@@ -160,20 +130,6 @@ class Router {
       console.trace('afterEach 必须是函数');
     }
   }
-
-  updateActiveButton(event) {
-    const currentRoute = location.hash.replace('#', '') || '/home';
-
-    document.querySelectorAll('[data-route]').forEach((btn) => {
-      const route = btn.getAttribute('data-route');
-      if (route === currentRoute) {
-        console.log('当前路由：', route);
-        addClass(btn, 'active');
-      } else {
-        removeClass(btn, 'active');
-      }
-    });
-  }
 }
 
 export { Router };
diff --git a/sidepanel/utils/eventManager.js b/sidepanel/utils/eventManager.js
new file mode 100644
index 0000000..03ec2d8
--- /dev/null
+++ b/sidepanel/utils/eventManager.js
@@ -0,0 +1,32 @@
+export class EventManager { 
+    constructor() {
+        this.listeners = [];
+    }
+
+    add(ele, type, handler, options) {
+        ele.addEventListener(type, handler, options);
+        this.listeners.push({ ele, type, handler, options });
+    }
+
+    remove(ele, type, handler, options) {
+        ele.removeEventListener(type, handler, options);
+        this.listeners = this.listeners.filter(
+            (listener) =>
+                listener.ele !== ele ||
+                listener.type !== type ||
+                listener.handler !== handler ||
+                listener.options !== options
+        );
+    }
+
+    removeAll() {
+        this.listeners.forEach((listener) => {
+            listener.ele.removeEventListener(
+                listener.type,
+                listener.handler,
+                listener.options
+            );
+        });
+        this.listeners = [];
+    }
+}
\ No newline at end of file
diff --git a/sidepanel/utils/routeUtils.js b/sidepanel/utils/routeUtils.js
deleted file mode 100644
index 90a4524..0000000
--- a/sidepanel/utils/routeUtils.js
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- * 获取路由的路径和详细参数
- * @returns
- */
-export function getParamsUrl() {
-  // 获取路由
-  const hasDetail = location.hash.split('?');
-  // 获取路由名称
-  const hasName = hasDetail[0].split('#')[1];
-  // 获取请求参数
-  const params = hasDetail[1] ? hasDetail[1].split('&') : [];
-  // 解析请求参数
-  let query = {};
-  for (let i = 0; i < params.length; i++) {
-    let param = params[i].split('=');
-    query[param[0]] = param[1];
-  }
-
-  return {
-    path: hasName,
-    query: query,
-    params: params,
-  };
-}
-
-/**
- * 闭包返回函数
- * @param {*} name
- * @returns
- */
-export function closure(name) {
-  return (currentHash) => {
-    window.name && window[name](currentHash);
-  };
-}
-
-/**
- * 生成随机key
- * @returns
- */
-export function genKey() {
-  const KEY_TEMPLATE = 'xxxxxxxx';
-  return KEY_TEMPLATE.replace(/[xy]/g, (c) => {
-    const r = (Math.random() * 16) | 0;
-    const v = c === 'x' ? r : (r & 0x3) | 0x8;
-    return v.toString(16);
-  });
-}
diff --git a/sidepanel/utils/scriptLoader.js b/sidepanel/utils/scriptLoader.js
deleted file mode 100644
index 8ac4a96..0000000
--- a/sidepanel/utils/scriptLoader.js
+++ /dev/null
@@ -1,30 +0,0 @@
-let currentScript = null;
-export function loadScript(path, globalInitName) {
-  console.log('load script', currentScript);
-
-  if (currentScript) {
-    console.log('remove script')
-    currentScript.remove();
-    currentScript = null;
-  }
-
-  if (globalInitName && window[globalInitName]) {
-    delete window[globalInitName];
-  }
-
-  return new Promise((resolve, reject) => {
-    const script = document.createElement('script');
-    script.src = path;
-    script.type = 'module';
-
-    script.onload = () => {
-      currentScript = document.querySelector(`script[src='${path}']`);
-      console.log('script loaded', currentScript);
-      resolve();
-    };
-
-    script.onerror = reject;
-
-    document.body.appendChild(script);
-  });
-}
diff --git a/sidepanel/utils/scriptManager.js b/sidepanel/utils/scriptManager.js
new file mode 100644
index 0000000..2d7397d
--- /dev/null
+++ b/sidepanel/utils/scriptManager.js
@@ -0,0 +1,113 @@
+export class ScriptManager {
+  constructor() {
+    this.currentScriptEl = null;
+    this.currentModule = null;
+    this.currentName = null;
+  }
+
+  async loadScript({ path, name, isModule = false, deps = [] }) {
+    // 卸载现脚本
+    await this.unloadScript();
+
+    for (const dep of deps) {
+      await this._appendScript({ path: dep, isModule: false });
+    }
+
+    if (isModule) {
+      const absPath = (path = '?t' + Date.now());
+      this.currentModule = await import(absPath);
+      this.currentScriptEl = null;
+      this.currentName = name;
+      return this.currentModule;
+    } else {
+      await this._appendScript({ path, isModule: false });
+      this.currentName = name;
+      return window[name] || null;
+    }
+  }
+
+  async _appendScript({ path, isModule }) {
+    const s = document.createElement('script');
+    try {
+      s.src = path + '?t=' + Date.now();
+      s.type = isModule ? 'module' : 'text/javascript';
+      s.async = false;
+      s.onload = () => {
+        this.currentScriptEl = s;
+      };
+    } catch (e) {
+      throw new Error(`Failed to load script: ${path}`);
+    } finally {
+      document.body.appendChild(s);
+    }
+  }
+
+  async unloadScript() {
+    try {
+      if (this.currentName && window[this.currentName]) {
+        const mod = window[this.currentName];
+        const unName = this._findUnmountName(mod);
+        if (unName && typeof mod[unName] === 'function') {
+          await mod[unName]();
+        }
+      }
+
+      if (this.currentModule) {
+        const mod = this.currentModule;
+        const unName = this._findUnmountName(mod);
+        if (unName && typeof mod[unName] === 'function') {
+          await mod[unName]();
+        }
+      }
+    } catch (e) {
+      console.error(e);
+    }
+
+    if (this.currentScriptEl) {
+      try {
+        this.currentScriptEl.remove();
+      } catch (e) {
+        console.error(e);
+      }
+    }
+    this.currentModule = null;
+    this.currentName = null;
+  }
+
+  _findInitName(obj) {
+    if (!obj) return null;
+    const candidates = ['init', 'start', 'main'];
+    for (const c of candidates) {
+      if (typeof obj[c] === 'function') {
+        return c;
+      }
+    }
+    return null;
+  }
+
+  _findUnmountName(obj) {
+    if (!obj) return null;
+    const candidates = ['unmount', 'stop', 'destroy'];
+    for (const c of candidates) {
+      if (typeof obj[c] === 'function') {
+        return c;
+      }
+    }
+    return null;
+  }
+
+  async runInit(name) {
+    if (this.currentModule) {
+      const mod = this.currentModule;
+      const init = this._findInitName(mod);
+      if (init) return mod[init]();
+      return null;
+    } else if (name && window[name]) {
+      const mod = window[name];
+      const init = this._findInitName(mod);
+      if (init) return mod[init]();
+    }
+
+    return null;
+  }
+}
diff --git a/sidepanel/utils/timerManager.js b/sidepanel/utils/timerManager.js
new file mode 100644
index 0000000..c0af2cc
--- /dev/null
+++ b/sidepanel/utils/timerManager.js
@@ -0,0 +1,54 @@
+export class TimerManager {
+  constructor() {
+    // 定时器对象数组
+    this.timers = [];
+  }
+
+  /**
+   * 添加定时器到数组中
+   * @param {*} fn
+   * @param {*} delay
+   * @param  {...any} args
+   * @returns
+   */
+  setTimeout(fn, delay, ...args) {
+    const id = window.setTimeout(fn, delay, ...args);
+    this.timers.push(id);
+    return id;
+  }
+
+  /**
+   * 添加定时器到数组中
+   * @param {*} fn
+   * @param {*} delay
+   * @param  {...any} args
+   * @returns
+   */
+  setInterval(fn, delay, ...args) {
+    const id = window.setInterval(fn, delay, ...args);
+    this.timers.push(id);
+    return id;
+  }
+
+  /**
+   * 清除定时器
+   * @param {*} id
+   */
+  clearTimeout(id) {
+    window.clearTimeout(id);
+    this.timers = this.timers.filter((timerId) => timerId !== id);
+  }
+
+  clearInterval(id) {
+    window.clearInterval(id);
+    this.timers = this.timers.filter((timerId) => timerId !== id);
+  }
+
+  cleanAll() {
+    this.timers.forEach((timerId) => {
+      window.clearTimeout(timerId);
+      window.clearInterval(timerId);
+    });
+    this.timers = [];
+  }
+}
\ No newline at end of file