diff --git a/package-lock.json b/package-lock.json
index f2e10ca..59a4ca8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,8 @@
 			"name": "it-tools",
 			"version": "0.0.1",
 			"dependencies": {
-				"@tauri-apps/api": "^2.9.0"
+				"@tauri-apps/api": "^2.9.0",
+				"@tauri-apps/plugin-store": "^2.4.1"
 			},
 			"devDependencies": {
 				"@sveltejs/adapter-static": "^3.0.10",
@@ -866,7 +867,6 @@
 			"integrity": "sha512-TGFX1pZUt9qqY20Cv5NyYvy0iLWHf2jXi8s+eCGsig7jQMdwZWKUFMR6TbvFNhfDSUpc1sH/Y5EHv20g3HHA3g==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@standard-schema/spec": "^1.0.0",
 				"@sveltejs/acorn-typescript": "^1.0.5",
@@ -906,7 +906,6 @@
 			"integrity": "sha512-YZs/OSKOQAQCnJvM/P+F1URotNnYNeU3P2s4oIpzm1uFaqUEqRxUB0g5ejMjEb5Gjb9/PiBI5Ktrq4rUUF8UVQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@sveltejs/vite-plugin-svelte-inspector": "^5.0.0",
 				"debug": "^4.4.1",
@@ -1439,6 +1438,15 @@
 				"node": ">= 10"
 			}
 		},
+		"node_modules/@tauri-apps/plugin-store": {
+			"version": "2.4.1",
+			"resolved": "https://registry.npmjs.org/@tauri-apps/plugin-store/-/plugin-store-2.4.1.tgz",
+			"integrity": "sha512-ckGSEzZ5Ii4Hf2D5x25Oqnm2Zf9MfDWAzR+volY0z/OOBz6aucPKEY0F649JvQ0Vupku6UJo7ugpGRDOFOunkA==",
+			"license": "MIT OR Apache-2.0",
+			"dependencies": {
+				"@tauri-apps/api": "^2.8.0"
+			}
+		},
 		"node_modules/@types/cookie": {
 			"version": "0.6.0",
 			"resolved": "https://registry.npmmirror.com/@types/cookie/-/cookie-0.6.0.tgz",
@@ -1459,7 +1467,6 @@
 			"integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"bin": {
 				"acorn": "bin/acorn"
 			},
@@ -2048,7 +2055,6 @@
 			"integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"engines": {
 				"node": ">=12"
 			},
@@ -2091,7 +2097,6 @@
 			"integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"bin": {
 				"prettier": "bin/prettier.cjs"
 			},
@@ -2108,7 +2113,6 @@
 			"integrity": "sha512-pn1ra/0mPObzqoIQn/vUTR3ZZI6UuZ0sHqMK5x2jMLGrs53h0sXhkVuDcrlssHwIMk7FYrMjHBPoUSyyEEDlBQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"peerDependencies": {
 				"prettier": "^3.0.0",
 				"svelte": "^3.2.0 || ^4.0.0-next.0 || ^5.0.0-next.0"
@@ -2300,7 +2304,6 @@
 			"integrity": "sha512-kjkAjCk41mJfvJZG56XcJNOdJSke94JxtcX8zFzzz2vrt47E0LnoBzU6azIZ1aBxJgUep8qegAkguSf1GjxLXQ==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"@jridgewell/remapping": "^2.3.4",
 				"@jridgewell/sourcemap-codec": "^1.5.0",
@@ -2399,7 +2402,6 @@
 			"integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
 			"dev": true,
 			"license": "Apache-2.0",
-			"peer": true,
 			"bin": {
 				"tsc": "bin/tsc",
 				"tsserver": "bin/tsserver"
@@ -2414,7 +2416,6 @@
 			"integrity": "sha512-ZWyE8YXEXqJrrSLvYgrRP7p62OziLW7xI5HYGWFzOvupfAlrLvURSzv/FyGyy0eidogEM3ujU+kUG1zuHgb6Ug==",
 			"dev": true,
 			"license": "MIT",
-			"peer": true,
 			"dependencies": {
 				"esbuild": "^0.25.0",
 				"fdir": "^6.5.0",
diff --git a/package.json b/package.json
index 09f6d5e..ac87d46 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
 		"vite": "^7.1.10"
 	},
 	"dependencies": {
-		"@tauri-apps/api": "^2.9.0"
+		"@tauri-apps/api": "^2.9.0",
+		"@tauri-apps/plugin-store": "^2.4.1"
 	}
 }
diff --git a/src/app.css b/src/app.css
index 11b0f61..a0e50d7 100644
--- a/src/app.css
+++ b/src/app.css
@@ -1,9 +1,11 @@
 @import 'tailwindcss';
 
+:root{
+    --main-bg-color: #1f1f1f;
+}
 
 body {
     background-color: #1f1f1f; /* 示例：一个深灰色 */
-
     margin: 0;
     color: white;
-}
\ No newline at end of file
+}
diff --git a/src/lib/components/layout/Header.svelte b/src/lib/components/layout/Header.svelte
index 204e479..bba99f8 100644
--- a/src/lib/components/layout/Header.svelte
+++ b/src/lib/components/layout/Header.svelte
@@ -41,9 +41,11 @@
         align-items: center;
         padding: 0 10px;
         user-select: none;
-        position: sticky;
+        position: fixed;
+				width: 100%;
         top: 0;
         z-index: 1000;
+        box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
     }
 
     .window-controls {
diff --git a/src/lib/components/layout/Sidebar.svelte b/src/lib/components/layout/Sidebar.svelte
new file mode 100644
index 0000000..d479105
--- /dev/null
+++ b/src/lib/components/layout/Sidebar.svelte
@@ -0,0 +1,127 @@
+<script lang="ts">
+	// 您可以在此处导入 SvelteKit 的导航链接模块
+	// import { goto } from '$app/navigation';
+
+	// 模拟导航项数据
+	// 确保对象字面量语法正确无误
+	const navItems = [
+		{ icon: '🏠', label: '主页', path: '/' },
+		{ icon: '⭐', label: '收藏', path: '/favorites' },
+		{ icon: '💬', label: '聊天', path: '/chat' },
+		{ icon: '⚙️', label: '设置', path: '/settings' },
+	];
+
+	let activePath: string = '/'; // 明确声明类型
+
+	function navigate(path: string) {
+		activePath = path;
+		// goto(path); // 实际应用中使用 SvelteKit 的导航
+		console.log(`导航到: ${path}`);
+	}
+</script>
+
+<nav class="sidebar">
+	<!-- 顶部图标/Logo -->
+	<div class="sidebar-logo">
+		<span role="img" aria-label="App Logo">⚛️</span>
+	</div>
+
+	<!-- 中间导航图标 -->
+	<div class="nav-list">
+		{#each navItems as item}
+			<button
+				class="nav-item"
+				class:active={activePath === item.path}
+				on:click={() => navigate(item.path)}
+				title={item.label}
+			>
+				{item.icon}
+			</button>
+		{/each}
+	</div>
+
+	<!-- 底部设置/用户图标 -->
+	<div class="bottom-icons">
+		<button class="nav-item" title="用户资料">👤</button>
+		<button class="nav-item" title="退出">↩️</button>
+	</div>
+</nav>
+
+<style>
+    /* 侧边栏的基础样式 */
+    .sidebar {
+        /* 根据图片，侧边栏宽度较窄，可能在 60px 左右 */
+        width: 25px;
+        min-width: 35px; /* 确保它不会收缩 */
+        height: 100%;
+        background-color: var(--main-bg-color); /* 比主背景稍亮 */
+        display: flex;
+        flex-direction: column; /* 垂直排列内容 */
+        align-items: center;
+        padding: 10px 0;
+        box-shadow: 1px 0 3px rgba(255, 255, 255, 0.1);
+        user-select: none; /* 阻止文本选择 */
+    }
+
+    /* Logo/顶部区域 */
+    .sidebar-logo {
+        font-size: 1rem;
+        margin-bottom: 20px;
+        cursor: pointer;
+    }
+
+    /* 导航列表区域 */
+    .nav-list {
+        flex: 1; /* 占据中间所有剩余垂直空间，将底部图标推到底部 */
+        display: flex;
+        flex-direction: column;
+        gap: 15px; /* 增加图标间的间隔 */
+    }
+
+    /* 底部图标区域 */
+    .bottom-icons {
+        display: flex;
+        flex-direction: column;
+        gap: 15px;
+    }
+
+    /* 导航按钮样式 */
+    .nav-item {
+        background: none;
+        border: none;
+        color: #b0b0b0; /* 默认图标颜色 */
+        font-size: 1rem;
+        width: 30px;
+        height: 30px;
+        border-radius: 8px;
+        cursor: pointer;
+        transition: background-color 0.2s, color 0.2s;
+        display: flex;
+        justify-content: center;
+        align-items: center;
+    }
+
+    /* 鼠标悬停效果 */
+    .nav-item:hover {
+        background-color: #3e3e3e;
+        color: #ffffff;
+    }
+
+    /* 激活状态效果（关键：模拟选中高亮） */
+    .nav-item.active {
+        /* 侧边栏上常见的条状高亮 */
+        color: #ffffff;
+        position: relative;
+    }
+    .nav-item.active::before {
+        content: '';
+        position: absolute;
+        left: 0;
+        top: 50%;
+        transform: translateY(-50%);
+        width: 4px; /* 高亮的条形宽度 */
+        height: 80%;
+        background-color: #4CAF50; /* 绿色高亮条 */
+        border-radius: 0 4px 4px 0;
+    }
+</style>
\ No newline at end of file
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index 3fbf87b..83e6227 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -2,6 +2,7 @@
 	import '../app.css';
 	import favicon from '$lib/assets/favicon.svg';
 	import Header from '$lib/components/layout/Header.svelte';
+	import Sidebar from '$lib/components/layout/Sidebar.svelte';
 
 	let { children } = $props();
 </script>
@@ -10,5 +11,36 @@
 	<link rel="icon" href={favicon} />
 </svelte:head>
 <Header/>
+<div class="app-container">
 
-{@render children()}
+	<!-- 1. 侧边栏: 固定宽度，全高 -->
+	<Sidebar />
+	<!-- 2. 主内容区域: 占据剩余所有空间 (flex-1) -->
+	<main class="main-content">
+		<!-- 渲染子路由的内容 (+page.svelte 或下级 +layout.svelte)
+				 使用标准的 <slot /> 替换了 {@render children()} -->
+
+		{@render children()}
+	</main>
+</div>
+
+<style>
+    /* 确保整个应用容器占满整个视口 */
+    .app-container {
+        display: flex;
+        width: 100vw;
+        height: 100vh;
+        overflow: hidden; /* 防止滚动条出现在侧边栏和主内容之间 */
+        background-color: #1e1e1e; /* 模拟深色背景 */
+        color: #f1f1f1;
+				padding-top: 30px;
+    }
+
+    /* 主内容区域占据剩余空间 */
+    .main-content {
+        flex: 1; /* 占据 Flex 容器的剩余空间 */
+        /* 允许主内容区域内部滚动 */
+        overflow-y: auto;
+        padding: 1rem;
+    }
+</style>
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index c08f1ea..6ee98e7 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -1,9 +1,7 @@
 <div class="app-container">
-
-	<ul>
-
-		<li on:click={() => goto('/about')}>关于</li>
-	</ul>
+	<div class="app-content">
+		123
+	</div>
 </div>
 
 <style>
@@ -12,5 +10,5 @@
 
 <script>
 
-import { goto } from '$app/navigation';
+
 </script>
\ No newline at end of file