diff --git a/src/routes/admin/categories/+page.server.ts b/src/routes/admin/categories/+page.server.ts
index f496d57..d1ee115 100644
--- a/src/routes/admin/categories/+page.server.ts
+++ b/src/routes/admin/categories/+page.server.ts
@@ -1,3 +1,6 @@
+import { fail } from '@sveltejs/kit';
+import type { Actions, PageServerLoad } from './$types';
+
 async function ensureCategoriesTable(db: any) {
 	try {
 		await db.prepare(`
diff --git a/src/routes/admin/categories/+page.svelte b/src/routes/admin/categories/+page.svelte
index 896d4d6..af0019d 100644
--- a/src/routes/admin/categories/+page.svelte
+++ b/src/routes/admin/categories/+page.svelte
@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { page } from '$app/stores';
 	import type { PageData, ActionData } from './$types';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
@@ -14,7 +15,7 @@
 </script>
 
 <div class="admin-page-header">
-	<h2>分类管理</h2>
+	<h2>{$page.data.aliases?.category || '分类'}管理</h2>
 </div>
 
 {#if form?.error}
@@ -24,9 +25,9 @@
 {/if}
 
 <div class="categories-grid-layout">
-	<!-- 左侧：新建分类卡片 -->
+	<!-- 左侧：新建{$page.data.aliases?.category || '分类'}卡片 -->
 	<div class="create-category-card">
-		<h3>新分类</h3>
+		<h3>新{$page.data.aliases?.category || '分类'}</h3>
 		<form method="POST" action="?/create">
 			<div class="form-group">
 				<label for="name">名称 *</label>
@@ -54,18 +55,18 @@
 		</form>
 	</div>
 
-	<!-- 右侧：分类列表 -->
+	<!-- 右侧：{$page.data.aliases?.category || '分类'}列表 -->
 	<div class="table-container">
 		{#if data.categories.length === 0}
 			<div class="empty-state">
-				<p>暂无任何分类，在左侧添加一个吧！</p>
+				<p>暂无任何{$page.data.aliases?.category || '分类'}，在左侧添加一个吧！</p>
 			</div>
 		{:else}
 			<table class="data-table">
 				<thead>
 					<tr>
 						<th>ID</th>
-						<th>分类名称</th>
+						<th>{$page.data.aliases?.category || '分类'}名称</th>
 						<th>别名 (Slug)</th>
 						<th>关联文章数</th>
 						<th>操作</th>
@@ -80,7 +81,7 @@
 							<td><span class="badge">{category.post_count} 篇文章</span></td>
 							<td>
 								<form action="?/delete" method="POST" class="inline-form" onsubmit={(e) => {
-									if(!confirm(`确定要删除分类 "${category.name}" 吗？删除后相关文章将归为未分类。`)) e.preventDefault();
+									if(!confirm(`确定要删除${$page.data.aliases?.category || '分类'} "${category.name}" 吗？删除后相关文章将归为未${$page.data.aliases?.category || '分类'}。`)) e.preventDefault();
 								}}>
 									<input type="hidden" name="id" value={category.id} />
 									<button type="submit" class="action-btn delete">删除</button>
@@ -173,7 +174,7 @@
 
 	.form-group input[type="text"]:focus {
 		outline: none;
-		border-bottom-color: var(--accent-color, #bd6262);
+		border-bottom-color: var(--accent-color, #419b38);
 	}
 
 	.btn {
@@ -199,8 +200,8 @@
 	}
 
 	.btn-primary:hover {
-		background-color: var(--accent-color, #bd6262);
-		border-color: var(--accent-color, #bd6262);
+		background-color: var(--accent-color, #419b38);
+		border-color: var(--accent-color, #419b38);
 		color: white;
 	}
 
diff --git a/src/routes/admin/posts/+page.server.ts b/src/routes/admin/posts/+page.server.ts
index ee073ff..192b038 100644
--- a/src/routes/admin/posts/+page.server.ts
+++ b/src/routes/admin/posts/+page.server.ts
@@ -1,5 +1,13 @@
 import type { PageServerLoad } from './$types';
 
+interface PostListRow {
+	id: number;
+	title: string;
+	slug: string;
+	date: string;
+	author: string | null;
+	category?: string;
+}
 export const load: PageServerLoad = async ({ platform }) => {
 	const db = platform?.env?.DB;
 
@@ -10,7 +18,7 @@ export const load: PageServerLoad = async ({ platform }) => {
 	}
 
 	try {
-		let results;
+		let results: PostListRow[];
 		try {
 			const queryRes = await db.prepare(
 				`SELECT p.id, p.title, p.slug, p.published_at as date, u.username as author, c.name as category 
@@ -18,7 +26,7 @@ export const load: PageServerLoad = async ({ platform }) => {
 				 LEFT JOIN users u ON p.author_id = u.id 
 				 LEFT JOIN categories c ON p.category_id = c.id
 				 ORDER BY p.published_at DESC`
-			).all();
+			).all<PostListRow>();
 			results = queryRes.results;
 		} catch (e) {
 			// Fallback query if categories table or category_id column is missing
@@ -27,7 +35,7 @@ export const load: PageServerLoad = async ({ platform }) => {
 				 FROM posts p 
 				 LEFT JOIN users u ON p.author_id = u.id 
 				 ORDER BY p.published_at DESC`
-			).all();
+			).all<PostListRow>();
 			results = queryRes.results.map(r => ({ ...r, category: '未分类' }));
 		}
 
@@ -59,12 +67,13 @@ export const actions = {
 		if (!db) return { success: false, error: 'Database not found' };
 
 		const data = await request.formData();
-		const id = data.get('id');
+		const ids = data.getAll('ids');
 
-		if (!id) return { success: false, error: 'Missing ID' };
+		if (!ids || ids.length === 0) return { success: false, error: 'Missing IDs' };
 
 		try {
-			await db.prepare('DELETE FROM posts WHERE id = ?').bind(id).run();
+			const placeholders = ids.map(() => '?').join(',');
+			await db.prepare(`DELETE FROM posts WHERE id IN (${placeholders})`).bind(...ids).run();
 			return { success: true };
 		} catch (err) {
 			console.error('Error deleting post:', err);
diff --git a/src/routes/admin/posts/+page.svelte b/src/routes/admin/posts/+page.svelte
index 780e39f..70c39ca 100644
--- a/src/routes/admin/posts/+page.svelte
+++ b/src/routes/admin/posts/+page.svelte
@@ -1,54 +1,87 @@
 <script lang="ts">
+	import { page } from '$app/stores';
 	import type { PageData } from './$types';
 	let { data }: { data: PageData } = $props();
+
+	let selectedIds = $state<string[]>([]);
+	
+	function toggleAll(e: Event) {
+		const target = e.target as HTMLInputElement;
+		if (target.checked) {
+			selectedIds = data.posts.map(p => p.id.toString());
+		} else {
+			selectedIds = [];
+		}
+	}
+	
+	let isAllSelected = $derived(data.posts.length > 0 && selectedIds.length === data.posts.length);
 </script>
 
 <div class="admin-page-header">
-	<h2>文章管理</h2>
-	<a href="/admin/posts/new" class="btn btn-primary">发布新文章</a>
+	<h2>{$page.data.aliases?.post || '文章'}管理</h2>
+	<a href="/admin/posts/new" class="btn btn-primary">发布新{$page.data.aliases?.post || '文章'}</a>
 </div>
 
+
+	{#if data.posts.length > 0}
+		<div class="batch-actions">
+			{#if selectedIds.length > 0}
+				<span class="selected-count">已选择 {selectedIds.length} 项</span>
+				<form action="?/delete" method="POST" class="inline-form" onsubmit={(e) => {
+					if(!confirm(`确定要删除选中的 ${selectedIds.length} 篇${$page.data.aliases?.post || '项目'}吗？操作不可恢复。`)) {
+						e.preventDefault();
+					}
+				}}>
+					{#each selectedIds as id}
+						<input type="hidden" name="ids" value={id} />
+					{/each}
+					<button type="submit" class="btn btn-danger btn-sm">批量删除</button>
+				</form>
+			{:else}
+				<span class="selected-count empty">未选择项目</span>
+			{/if}
+		</div>
+	{/if}
+	
 <div class="table-container">
 	{#if data.posts.length === 0}
 		<div class="empty-state">
-			<p>还没有发布任何文章，现在就开始写作吧！</p>
+			<p>还没有发布任何{$page.data.aliases?.post || '文章'}，现在就开始写作吧！</p>
 		</div>
 	{:else}
 		<table class="data-table">
 			<thead>
 				<tr>
+					<th class="checkbox-col">
+						<input type="checkbox" checked={isAllSelected} onchange={toggleAll} />
+					</th>
 					<th>ID</th>
 					<th>标题</th>
 					<th>分类</th>
 					<th>别名 (Slug)</th>
 					<th>作者</th>
 					<th>发布时间</th>
-					<th>操作</th>
+					
 				</tr>
 			</thead>
 			<tbody>
 				{#each data.posts as post}
 					<tr>
+						<td class="checkbox-col">
+							<input type="checkbox" name="ids" value={post.id.toString()} bind:group={selectedIds} />
+						</td>
 						<td>{post.id}</td>
 						<td>
-							<strong>{post.title}</strong>
+							<a href="/admin/posts/{post.id}" class="title-link"><strong>{post.title}</strong></a>
 							<a href="/posts/{post.slug}" target="_blank" class="preview-link" title="前台预览">
-								<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" y1="14" x2="21" y2="3"></line></svg>
+								<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" y1="14" x2="21" y2="3"></line></svg>
 							</a>
 						</td>
 						<td><span class="badge">{post.category || '未分类'}</span></td>
 						<td><span class="badge">{post.slug}</span></td>
 						<td>{post.author || '未知'}</td>
 						<td>{post.dateStr}</td>
-						<td class="actions">
-							<a href="/admin/posts/{post.id}" class="action-btn edit">编辑</a>
-							<form action="?/delete" method="POST" class="inline-form" on:submit|preventDefault={(e) => {
-								if(confirm('确定要删除这篇文章吗？操作不可恢复。')) e.currentTarget.submit();
-							}}>
-								<input type="hidden" name="id" value={post.id} />
-								<button type="submit" class="action-btn delete">删除</button>
-							</form>
-						</td>
+						
 					</tr>
 				{/each}
 			</tbody>
@@ -92,8 +125,8 @@
 	}
 
 	.btn-primary:hover {
-		background-color: var(--accent-color, #bd6262);
-		border-color: var(--accent-color, #bd6262);
+		background-color: var(--accent-color, #419b38);
+		border-color: var(--accent-color, #419b38);
 		color: white;
 	}
 
@@ -110,7 +143,7 @@
 	}
 
 	.data-table th, .data-table td {
-		padding: 14px 18px;
+		padding: 10px 16px;
 		border-bottom: 1px solid var(--border-color, rgba(0,0,0,0.08));
 	}
 
@@ -132,63 +165,85 @@
 
 	.preview-link {
 		text-decoration: none;
-		font-size: 0.85rem;
 		margin-left: 6px;
 		opacity: 0.5;
 		transition: opacity 0.2s;
+		display: inline-block;
+		vertical-align: middle;
 	}
 
 	.preview-link:hover {
 		opacity: 1;
 	}
 
-	.actions {
-		white-space: nowrap;
-	}
-
-	.inline-form {
-		display: inline-block;
-		margin: 0;
-		padding: 0;
-		vertical-align: baseline;
-	}
-
-	.action-btn {
-		display: inline-block;
-		background: transparent;
-		border: none;
-		padding: 0;
-		margin: 0;
-		font-family: inherit;
-		font-size: 0.9rem;
-		font-weight: 500;
-		line-height: 1;
-		vertical-align: baseline;
-		color: var(--text-color);
-		cursor: pointer;
-		text-decoration: none;
-		transition: color 0.2s, text-decoration-color 0.2s;
-	}
-
-	.action-btn.edit {
-		margin-right: 14px;
-	}
-
-	.action-btn.edit:hover {
-		color: var(--accent-color, #bd6262);
-		text-decoration: underline;
-		text-underline-offset: 4px;
-	}
-
-	.action-btn.delete:hover {
-		color: #d9534f;
-		text-decoration: underline;
-		text-underline-offset: 4px;
-	}
+	
 
 	.empty-state {
 		padding: 50px 20px;
 		text-align: center;
 		color: var(--text-muted, rgba(0,0,0,0.6));
 	}
+
+	.batch-actions {
+		display: flex;
+		align-items: center;
+		gap: 15px;
+		margin-bottom: 15px;
+		padding: 10px 15px;
+		background: rgba(0,0,0,0.02);
+		height: 54px;
+		box-sizing: border-box;
+	}
+
+	.selected-count {
+		font-size: 0.9rem;
+		font-weight: 600;
+		color: var(--text-color);
+	}
+
+	.selected-count.empty {
+		color: var(--text-muted, rgba(0,0,0,0.4));
+		font-weight: normal;
+	}
+
+	.checkbox-col {
+		width: 40px;
+		text-align: center;
+	}
+
+	.checkbox-col input[type="checkbox"] {
+		width: 16px;
+		height: 16px;
+		accent-color: var(--accent-color, #419b38);
+		cursor: pointer;
+	}
+
+	.title-link {
+		color: var(--text-color);
+		text-decoration: none;
+		transition: color 0.2s;
+	}
+
+	.title-link:hover {
+		color: var(--accent-color, #419b38);
+		text-decoration: underline;
+		text-underline-offset: 4px;
+	}
+
+	.btn-danger {
+		background-color: transparent;
+		color: #d9534f;
+		border-color: #d9534f;
+	}
+
+	.btn-danger:hover {
+		background-color: #d9534f;
+		color: white;
+	}
+	
+	.btn-sm {
+		padding: 4px 12px;
+		font-size: 0.85rem;
+	}
+    
 </style>
diff --git a/src/routes/admin/posts/[id]/+page.server.ts b/src/routes/admin/posts/[id]/+page.server.ts
index 95c97bf..88c5136 100644
--- a/src/routes/admin/posts/[id]/+page.server.ts
+++ b/src/routes/admin/posts/[id]/+page.server.ts
@@ -11,8 +11,8 @@ export const load: PageServerLoad = async ({ params, platform }) => {
 
 	try {
 		const post = await db.prepare(
-			'SELECT id, title, slug, excerpt, content, category_id FROM posts WHERE id = ?'
-		).bind(postId).first<{ id: number; title: string; slug: string; excerpt: string; content: string; category_id: number | null }>();
+			'SELECT id, title, slug, content, category_id FROM posts WHERE id = ?'
+		).bind(postId).first<{ id: number; title: string; slug: string; content: string; category_id: number | null }>();
 
 		if (!post) {
 			throw error(404, '文章不存在');
@@ -46,8 +46,7 @@ export const actions: Actions = {
 
 		const formData = await request.formData();
 		const title = formData.get('title')?.toString().trim();
-		const slug = formData.get('slug')?.toString().trim();
-		const excerpt = formData.get('excerpt')?.toString().trim() || '';
+		const slug = formData.get('slug')?.toString().trim() || '';
 		const content = formData.get('content')?.toString() || '';
 		const categoryId = formData.get('category_id') ? Number(formData.get('category_id')) : null;
 		const selectedTags = formData.getAll('tags').map(t => Number(t));
@@ -60,9 +59,9 @@ export const actions: Actions = {
 			// 更新文章表
 			await db.prepare(
 				`UPDATE posts 
-				 SET title = ?, slug = ?, excerpt = ?, content = ?, category_id = ?, updated_at = CURRENT_TIMESTAMP
+				 SET title = ?, slug = ?, content = ?, category_id = ?, updated_at = CURRENT_TIMESTAMP
 				 WHERE id = ?`
-			).bind(title, slug, excerpt, content, categoryId, postId).run();
+			).bind(title, slug, content, categoryId, postId).run();
 
 			// 清除原有标签并重新绑定
 			await db.prepare('DELETE FROM post_tags WHERE post_id = ?').bind(postId).run();
diff --git a/src/routes/admin/posts/[id]/+page.svelte b/src/routes/admin/posts/[id]/+page.svelte
index 72fbd61..ff751a6 100644
--- a/src/routes/admin/posts/[id]/+page.svelte
+++ b/src/routes/admin/posts/[id]/+page.svelte
@@ -1,13 +1,17 @@
 <script lang="ts">
+	import { page } from '$app/stores';
 	import type { PageData, ActionData } from './$types';
+	import { deserialize } from '$app/forms';
+	import MarkdownRenderer from '$lib/components/MarkdownRenderer.svelte';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 
 	let title = $state(data.post.title);
 	let slug = $state(data.post.slug);
-	let excerpt = $state(data.post.excerpt || '');
 	let content = $state(data.post.content || '');
+	let mode = $state<'edit' | 'preview'>('edit');
 	let selectedTags = $state<number[]>(data.selectedTagIds || []);
+	let tagsList = $state(data.tags || []);
 
 	function toggleTag(tagId: number) {
 		if (selectedTags.includes(tagId)) {
@@ -21,6 +25,118 @@
 		const target = e.target as HTMLInputElement;
 		title = target.value;
 	}
+
+	let newTagInput = $state('');
+	let isAddingTag = $state(false);
+	let showTagDropdown = $state(false);
+	
+	let filteredTags = $derived(
+		(() => {
+			const input = newTagInput.trim().toLowerCase();
+			const available = tagsList.filter(t => !selectedTags.includes(t.id));
+			if (!input) return available.slice(0, 5);
+			return available.filter(t => t.name.toLowerCase().includes(input));
+		})()
+	);
+
+	async function handleAddTag(e: KeyboardEvent) {
+		if (e.key === 'Enter') {
+			e.preventDefault(); // 防止整个表单提交
+			const val = newTagInput.trim();
+			if (!val || isAddingTag) return;
+
+			// 检查是否已存在同名标签
+			const existingTag = tagsList.find((t) => t.name.toLowerCase() === val.toLowerCase());
+			if (existingTag) {
+				if (!selectedTags.includes(existingTag.id)) {
+					selectedTags = [...selectedTags, existingTag.id];
+				}
+				newTagInput = '';
+				showTagDropdown = false;
+				return;
+			}
+
+			isAddingTag = true;
+			try {
+				const formData = new FormData();
+				formData.append('name', val);
+				
+				const res = await fetch('/admin/tags?/create', {
+					method: 'POST',
+					body: formData,
+					headers: {
+						'x-sveltekit-action': 'true'
+					}
+				});
+				const result = deserialize(await res.text()) as any;
+				
+				if (result.type === 'success' && result.data?.tag) {
+					// 将新标签加入列表
+					tagsList = [...tagsList, result.data.tag];
+					// 自动选中新标签
+					selectedTags = [...selectedTags, result.data.tag.id];
+				}
+			} catch(e) {
+				console.error('Failed to create tag', e);
+			} finally {
+				isAddingTag = false;
+				newTagInput = '';
+				showTagDropdown = false;
+			}
+		}
+	}
+
+	// Markdown 工具栏功能
+	function insertAtCursor(before: string, after: string = '', defaultText: string = '') {
+		const textarea = document.getElementById('content') as HTMLTextAreaElement;
+		if (!textarea) return;
+
+		const start = textarea.selectionStart;
+		const end = textarea.selectionEnd;
+		const selectedText = textarea.value.substring(start, end);
+		
+		const insertion = selectedText ? (before + selectedText + after) : (before + defaultText + after);
+		
+		content = textarea.value.substring(0, start) + insertion + textarea.value.substring(end);
+		
+		// 恢复焦点并选中文字
+		setTimeout(() => {
+			textarea.focus();
+			if (selectedText) {
+				textarea.setSelectionRange(start, start + insertion.length);
+			} else {
+				textarea.setSelectionRange(start + before.length, start + before.length + defaultText.length);
+			}
+		}, 0);
+	}
+
+	function insertMore() {
+		insertAtCursor('\n<!--more-->\n', '', '');
+	}
+	
+	let showAdmonitionMenu = $state(false);
+	const admonitionTypes = [
+		{ type: 'note', title: '注意', label: '注意 (Note)' },
+		{ type: 'abstract', title: '摘要', label: '摘要 (Abstract)' },
+		{ type: 'info', title: '信息', label: '信息 (Info)' },
+		{ type: 'tip', title: '技巧', label: '技巧 (Tip)' },
+		{ type: 'success', title: '成功', label: '成功 (Success)' },
+		{ type: 'question', title: '问题', label: '问题 (Question)' },
+		{ type: 'warning', title: '警告', label: '警告 (Warning)' },
+		{ type: 'failure', title: '失败', label: '失败 (Failure)' },
+		{ type: 'danger', title: '危险', label: '危险 (Danger)' },
+		{ type: 'bug', title: 'Bug', label: 'Bug' },
+		{ type: 'example', title: '示例', label: '示例 (Example)' },
+		{ type: 'quote', title: '引用', label: '引用 (Quote)' }
+	];
+
+	function insertAdmonition(type: string, title: string) {
+		const openTag = `{{< admonition ${type} "${title}" >}}\n`;
+		const closeTag = `\n{{< /admonition >}}`;
+		insertAtCursor('\n' + openTag, closeTag, '在这里输入提示内容...');
+		showAdmonitionMenu = false;
+	}
+
 </script>
 
 <div class="admin-page-header">
@@ -34,17 +150,10 @@
 	</div>
 {/if}
 
-{#if form?.success}
-	<div class="success-alert">
-		文章更新成功！
-		<a href="/{data.post.slug}" target="_blank" class="preview-link">预览文章 &#8599;</a>
-	</div>
-{/if}
-
 <form method="POST" action="?/update" class="post-form">
 	<div class="form-grid">
 		<div class="form-main">
-			<div class="form-group inline-group">
+			<div class="form-group">
 				<label for="title">标题 *</label>
 				<input
 					type="text"
@@ -58,26 +167,66 @@
 			</div>
 
 			<div class="form-group">
-				<label for="excerpt">摘要</label>
-				<textarea
-					id="excerpt"
-					name="excerpt"
-					bind:value={excerpt}
-					rows="3"
-					placeholder="简短介绍..."
-				></textarea>
-			</div>
+				<div class="editor-header">
+					<label for="content">正文 *</label>
+					
+					<div class="editor-header-right">
+						{#if mode === 'edit'}
+						<div class="md-toolbar">
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('**', '**', '粗体')} title="加粗"><svg viewBox="0 0 24 24"><path d="M6 4h9a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path><path d="M6 12h10a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('*', '*', '斜体')} title="斜体"><svg viewBox="0 0 24 24"><line x1="19" y1="4" x2="10" y2="4"></line><line x1="14" y1="20" x2="5" y2="20"></line><line x1="15" y1="4" x2="9" y2="20"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('~~', '~~', '删除线')} title="删除线"><svg viewBox="0 0 24 24"><path d="M16 4H9a3 3 0 0 0-2.83 4"></path><path d="M14 12a4 4 0 0 1 0 8H6"></path><line x1="4" y1="12" x2="20" y2="12"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('### ', '', '标题')} title="标题"><svg viewBox="0 0 24 24"><path d="M4 12h16M4 18V6M20 18V6"></path></svg></button>
+							<div class="md-divider"></div>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('- ', '', '列表项')} title="无序列表"><svg viewBox="0 0 24 24"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('[', '](https://)', '链接文字')} title="链接"><svg viewBox="0 0 24 24"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('![', '](https://)', '图片描述')} title="图片"><svg viewBox="0 0 24 24"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect><polygon points="6 21, 10 13, 13 16.5, 16.5 9.5, 19 21" style="fill: currentColor; stroke: currentColor; stroke-linejoin: round; stroke-width: 1.5;"></polygon></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('```\n', '\n```', 'code')} title="代码块"><svg viewBox="0 0 24 24"><polyline points="16 18 22 12 16 6"></polyline><polyline points="8 6 2 12 8 18"></polyline></svg></button>
+							<div class="md-divider"></div>
+							<div class="toolbar-dropdown-wrapper">
+								{#if showAdmonitionMenu}
+									<!-- svelte-ignore a11y_click_events_have_key_events -->
+									<!-- svelte-ignore a11y_interactive_supports_focus -->
+									<div class="dropdown-overlay" onclick={() => showAdmonitionMenu = false} role="button"></div>
+								{/if}
+								<button type="button" class="md-btn" onclick={() => showAdmonitionMenu = !showAdmonitionMenu} title="提示框 (Admonition)"><svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="16" x2="12" y2="12"></line><line x1="12" y1="8" x2="12.01" y2="8"></line></svg></button>
+								{#if showAdmonitionMenu}
+								<div class="toolbar-dropdown">
+									{#each admonitionTypes as item}
+										<button type="button" class="dropdown-item" onclick={() => insertAdmonition(item.type, item.title)}>
+											{item.label}
+										</button>
+									{/each}
+								</div>
+								{/if}
+							</div>
+							<button type="button" class="md-btn" onclick={insertMore} title="插入摘要分割线"><svg viewBox="0 0 24 24"><polyline points="5 5 5 9 19 9 19 5"></polyline><polyline points="5 19 5 15 19 15 19 19"></polyline><line x1="4" y1="12" x2="20" y2="12" stroke-dasharray="3 3" stroke-linecap="butt"></line></svg></button>
+						</div>
+						{/if}
+						<div class="editor-tabs">
+							<button type="button" class="tab-btn {mode === 'edit' ? 'active' : ''}" onclick={() => mode = 'edit'}>编辑</button>
+							<button type="button" class="tab-btn {mode === 'preview' ? 'active' : ''}" onclick={() => mode = 'preview'}>预览</button>
+						</div>
+					</div>
+				</div>
 
-			<div class="form-group">
-				<label for="content">正文 *</label>
-				<textarea
-					id="content"
-					name="content"
-					bind:value={content}
-					rows="16"
-					placeholder="使用 Markdown 撰写..."
-					required
-				></textarea>
+				<div class="editor-body">
+					{#if mode === 'edit'}
+						<textarea
+							id="content"
+							name="content"
+							bind:value={content}
+							rows="16"
+							style="min-height: 400px;"
+							placeholder="支持 Markdown 格式..."
+							required
+						></textarea>
+					{:else}
+						<div class="preview-area">
+							<MarkdownRenderer {content} />
+						</div>
+					{/if}
+				</div>
 			</div>
 		</div>
 
@@ -93,7 +242,7 @@
 					type="text"
 					id="slug"
 					name="slug"
-					class="select-input"
+					class="sidebar-input"
 					bind:value={slug}
 					placeholder="hello-world"
 					required
@@ -110,25 +259,51 @@
 				</select>
 			</div>
 
-			{#if data.tags.length > 0}
-				<div class="sidebar-box">
-					<h3>标签</h3>
-					<div class="tags-list">
-						{#each data.tags as tag}
-							<label class="tag-item">
-								<input
-									type="checkbox"
-									name="tags"
-									value={tag.id}
-									checked={selectedTags.includes(tag.id)}
-									onchange={() => toggleTag(tag.id)}
-								/>
-								<span>{tag.name}</span>
-							</label>
-						{/each}
-					</div>
+			<div class="sidebar-box">
+				<h3>标签</h3>
+				<div class="selected-tags-vertical">
+					{#each selectedTags as tagId}
+						{#if tagsList.find(t => t.id === tagId)}
+							{@const tag = tagsList.find(t => t.id === tagId)}
+							<div class="selected-tag-row">
+								<span>{tag?.name}</span>
+								<button type="button" class="remove-tag-btn" onclick={() => toggleTag(tagId)} title="移除标签"><svg viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" fill="none"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg></button>
+								<input type="hidden" name="tags" value={tagId} />
+							</div>
+						{/if}
+					{/each}
 				</div>
-			{/if}
+
+				<div class="tag-input-container">
+					<input
+						type="text"
+						class="sidebar-input tag-input-new"
+						placeholder="+ 添加标签..."
+						bind:value={newTagInput}
+						onkeydown={handleAddTag}
+						onfocus={() => showTagDropdown = true}
+						onblur={() => setTimeout(() => showTagDropdown = false, 200)}
+						disabled={isAddingTag}
+						autocomplete="off"
+					/>
+					
+					{#if showTagDropdown && filteredTags.length > 0}
+						<div class="tag-autocomplete-dropdown">
+							{#each filteredTags as tag}
+								<button type="button" class="tag-dropdown-item" onclick={() => {
+									if (!selectedTags.includes(tag.id)) {
+										selectedTags = [...selectedTags, tag.id];
+									}
+									newTagInput = '';
+									showTagDropdown = false;
+								}}>
+									{tag.name}
+								</button>
+							{/each}
+						</div>
+					{/if}
+				</div>
+			</div>
 		</div>
 	</div>
 </form>
@@ -173,14 +348,14 @@
 	}
 
 	.btn-primary:hover {
-		background-color: var(--accent-color, #bd6262);
-		border-color: var(--accent-color, #bd6262);
+		background-color: var(--accent-color, #419b38);
+		border-color: var(--accent-color, #419b38);
 		color: white;
 	}
 
 	.btn-secondary:hover {
-		border-color: var(--accent-color, #bd6262);
-		color: var(--accent-color, #bd6262);
+		border-color: var(--accent-color, #419b38);
+		color: var(--accent-color, #419b38);
 	}
 
 	.error-alert {
@@ -192,90 +367,105 @@
 		font-weight: 600;
 	}
 
-	.form-grid {
+	.editor-header {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		margin-bottom: 6px;
+	}
+
+	.editor-tabs {
+		display: flex;
+		gap: 8px;
+	}
+
+	.tab-btn {
+		background: none;
+		border: none;
+		padding: 4px 12px;
+		font-size: 0.85rem;
+		font-weight: 600;
+		color: rgba(0, 0, 0, 0.4);
+		cursor: pointer;
+		border-radius: 4px;
+		transition: all 0.2s ease;
+	}
+
+	.tab-btn:hover {
+		background: rgba(0, 0, 0, 0.05);
+	}
+
+	.tab-btn.active {
+		color: var(--accent-color, #419b38);
+		background: rgba(65, 155, 56, 0.1);
+	}
+
+	.preview-area {
+		padding: 20px;
+		border: 1px solid rgba(0, 0, 0, 0.12);
+		background: rgba(0, 0, 0, 0.015);
+		min-height: 400px;
+		max-height: 600px;
+		overflow-y: auto;
+	}
+
+	.editor-container {
 		display: block;
 	}
 
+	.form-grid {
+		display: grid;
+		grid-template-columns: 1fr 280px;
+		gap: 40px;
+		align-items: start;
+	}
+
 	.form-main {
-		max-width: 800px;
-		margin: 0 auto;
+		width: 100%;
 	}
 
 	.form-sidebar {
-		position: fixed;
-		top: 120px;
-		right: calc((100vw - 1024px) / 2 - 280px);
-		width: 260px;
+		position: sticky;
+		top: 80px;
+		width: 100%;
 		display: flex;
 		flex-direction: column;
 		gap: 30px;
 		z-index: 10;
 	}
 
-	@media (max-width: 1580px) {
-		.form-sidebar {
-			right: 20px;
+	@media (max-width: 900px) {
+		.form-grid {
+			grid-template-columns: 1fr;
 		}
-	}
-
-	@media (max-width: 1200px) {
+		
 		.form-sidebar {
 			position: static;
-			width: 100%;
-			margin-top: 40px;
 			flex-direction: row;
 			flex-wrap: wrap;
-			gap: 40px;
+			gap: 20px;
+			margin-top: 20px;
 		}
 	}
 
 	.form-group {
-		margin-bottom: 30px;
-	}
-
-	.form-group.inline-group {
-		display: flex;
-		align-items: center;
-		gap: 20px;
+		margin-bottom: 20px;
 	}
 
 	.form-group label {
 		display: block;
 		font-weight: 700;
-		margin-bottom: 12px;
+		margin-bottom: 6px;
 		color: var(--text-color);
 		font-size: 0.9rem;
 		letter-spacing: 0.5px;
 	}
 
-	.form-group.inline-group label {
-		margin-bottom: 0;
-		width: 55px; /* Fixed width for alignment */
-		flex-shrink: 0;
-	}
-
-	.form-group input[type="text"] {
-		width: 100%;
-		padding: 10px 0;
-		border: none;
-		border-bottom: 2px solid rgba(0, 0, 0, 0.1);
-		background: transparent;
-		font-family: inherit;
-		font-size: 1.05rem;
-		color: var(--text-color);
-		box-sizing: border-box;
-		transition: border-bottom-color 0.3s ease;
-	}
-
-	.form-group input[type="text"]:focus,
-	.select-input:focus {
-		outline: none;
-		border-bottom-color: var(--accent-color, #bd6262);
-	}
-
+	.form-group input[type="text"],
 	.form-group textarea {
+		
 		width: 100%;
-		padding: 16px;
+		padding: 12px 14px;
 		border: 1px solid rgba(0, 0, 0, 0.12);
 		border-radius: 0;
 		background: rgba(0, 0, 0, 0.015);
@@ -284,12 +474,29 @@
 		color: var(--text-color);
 		box-sizing: border-box;
 		transition: border-color 0.3s ease, box-shadow 0.3s ease;
+	}
+
+	.form-group textarea {
 		resize: vertical;
 		line-height: 1.8;
 		min-height: 120px;
 	}
 
-	.select-input {
+	.form-group input[type="text"]:focus,
+	.form-group textarea:focus {
+		outline: none;
+		border-color: var(--accent-color, #419b38);
+		box-shadow: 0 0 0 3px rgba(65, 155, 56, 0.08);
+	}
+
+	.select-input:focus,
+	.sidebar-input:focus {
+		outline: none;
+		border-bottom-color: var(--accent-color, #419b38);
+	}
+
+	.select-input,
+	.sidebar-input {
 		width: 100%;
 		padding: 10px 0;
 		border: none;
@@ -300,13 +507,16 @@
 		color: var(--text-color);
 		box-sizing: border-box;
 		transition: border-bottom-color 0.3s ease;
+	}
+
+	.select-input {
 		cursor: pointer;
 	}
 
 	.form-group textarea:focus {
 		outline: none;
-		border-color: var(--accent-color, #bd6262);
-		box-shadow: 0 0 0 3px rgba(189, 98, 98, 0.08);
+		border-color: var(--accent-color, #419b38);
+		box-shadow: 0 0 0 3px rgba(65, 155, 56, 0.08);
 	}
 
 	.sidebar-box {
@@ -326,25 +536,181 @@
 		border-bottom: none;
 	}
 
-	.tags-list {
+	.selected-tags-vertical {
 		display: flex;
 		flex-direction: column;
-		gap: 12px;
+		gap: 6px;
+		margin-bottom: 15px;
 	}
 
-	.tag-item {
+	.selected-tag-row {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		padding: 6px 10px;
+		border: 1px solid var(--text-color);
+		background: transparent;
+		font-weight: 600;
+		font-size: 0.9rem;
+	}
+
+	.remove-tag-btn {
+		background: transparent;
+		border: none;
+		color: var(--text-color);
+		font-size: 1.1rem;
+		cursor: pointer;
+		opacity: 0.7;
+		padding: 0 4px;
+	}
+	
+	.remove-tag-btn:hover {
+		opacity: 1;
+		color: #d9534f;
+	}
+
+	.tag-input-container {
+		position: relative;
+	}
+
+	.tag-autocomplete-dropdown {
+		position: absolute;
+		top: 100%;
+		left: 0;
+		right: 0;
+		background: var(--bg-color);
+		border: 1px solid var(--text-color);
+		box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
+		z-index: 50;
+		max-height: 200px;
+		overflow-y: auto;
+		display: flex;
+		flex-direction: column;
+		margin-top: 4px;
+	}
+
+	.tag-dropdown-item {
+		background: transparent;
+		border: none;
+		border-bottom: 1px solid rgba(0,0,0,0.1);
+		padding: 8px 12px;
+		text-align: left;
+		font-family: inherit;
+		font-size: 0.85rem;
+		color: var(--text-color);
+		cursor: pointer;
+		font-weight: 600;
+		transition: all 0.2s ease;
+	}
+
+	.tag-dropdown-item:last-child {
+		border-bottom: none;
+	}
+
+	.tag-dropdown-item:hover {
+		background: var(--text-color);
+		color: var(--bg-color);
+	}
+
+	
+	.editor-header-right {
 		display: flex;
 		align-items: center;
-		gap: 10px;
-		cursor: pointer;
-		font-size: 0.95rem;
+		gap: 15px;
 	}
 
-	.tag-item input[type="checkbox"] {
-		accent-color: var(--accent-color, #bd6262);
-		width: 16px;
-		height: 16px;
-		margin: 0;
-		cursor: pointer;
+	.md-toolbar {
+		display: flex;
+		align-items: center;
+		gap: 4px;
 	}
+
+	.md-btn {
+		background: transparent;
+		border: none;
+		padding: 4px;
+		cursor: pointer;
+		color: var(--text-color);
+		opacity: 0.65;
+		transition: all 0.2s ease;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		width: 28px;
+		height: 28px;
+		border-radius: 2px;
+	}
+
+	.md-btn:hover {
+		opacity: 1;
+		color: var(--accent-color, #419b38);
+		background-color: rgba(0,0,0,0.03);
+	}
+
+	.md-btn svg {
+		width: 18px;
+		height: 18px;
+		stroke: currentColor;
+		stroke-width: 1.5;
+		stroke-linecap: round;
+		stroke-linejoin: round;
+		fill: none;
+	}
+
+	.md-divider {
+		width: 2px;
+		height: 16px;
+		background: var(--text-color);
+		opacity: 0.15;
+		margin: 0 4px;
+	}
+
+	.toolbar-dropdown-wrapper {
+		position: relative;
+		display: inline-block;
+	}
+
+	.dropdown-overlay {
+		position: fixed;
+		top: 0; left: 0; right: 0; bottom: 0;
+		z-index: 99;
+	}
+
+	.toolbar-dropdown {
+		position: absolute;
+		top: 100%;
+		left: 0;
+		margin-top: 4px;
+		background: var(--bg-color, #ffffff);
+		border: 1px solid var(--text-color);
+		z-index: 100;
+		width: 140px;
+		box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
+		display: flex;
+		flex-direction: column;
+	}
+
+	.dropdown-item {
+		background: transparent;
+		border: none;
+		border-bottom: 1px solid rgba(0,0,0,0.1);
+		padding: 8px 12px;
+		text-align: left;
+		font-family: inherit;
+		font-size: 0.85rem;
+		color: var(--text-color);
+		cursor: pointer;
+		font-weight: 600;
+		transition: all 0.2s ease;
+	}
+	
+	.dropdown-item:last-child {
+		border-bottom: none;
+	}
+
+	.dropdown-item:hover {
+		background: var(--text-color);
+		color: var(--bg-color, #ffffff);
+	}
+
 </style>
diff --git a/src/routes/admin/posts/new/+page.server.ts b/src/routes/admin/posts/new/+page.server.ts
index 053e181..a75b4e0 100644
--- a/src/routes/admin/posts/new/+page.server.ts
+++ b/src/routes/admin/posts/new/+page.server.ts
@@ -27,8 +27,7 @@ export const actions: Actions = {
 
 		const formData = await request.formData();
 		const title = formData.get('title')?.toString().trim();
-		const slug = formData.get('slug')?.toString().trim();
-		const excerpt = formData.get('excerpt')?.toString().trim() || '';
+		const slug = formData.get('slug')?.toString().trim() || '';
 		const content = formData.get('content')?.toString() || '';
 		const categoryId = formData.get('category_id') ? Number(formData.get('category_id')) : null;
 		const selectedTags = formData.getAll('tags').map(t => Number(t));
@@ -39,10 +38,10 @@ export const actions: Actions = {
 
 		try {
 			const res = await db.prepare(
-				`INSERT INTO posts (title, slug, excerpt, content, author_id, category_id, published_at, updated_at)
-				 VALUES (?, ?, ?, ?, 1, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
+				`INSERT INTO posts (title, slug, content, author_id, category_id, published_at, updated_at)
+				 VALUES (?, ?, ?, 1, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
 				 RETURNING id`
-			).bind(title, slug, excerpt, content, categoryId).first<{ id: number }>();
+			).bind(title, slug, content, categoryId).first<{ id: number }>();
 
 			const postId = res?.id;
 
diff --git a/src/routes/admin/posts/new/+page.svelte b/src/routes/admin/posts/new/+page.svelte
index 628304f..0f4d30b 100644
--- a/src/routes/admin/posts/new/+page.svelte
+++ b/src/routes/admin/posts/new/+page.svelte
@@ -1,12 +1,17 @@
 <script lang="ts">
+	import { page } from '$app/stores';
 	import type { PageData, ActionData } from './$types';
+	import { deserialize } from '$app/forms';
+	import MarkdownRenderer from '$lib/components/MarkdownRenderer.svelte';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 
 	let title = $state('');
 	let slug = $state('');
-	let excerpt = $state('');
 	let content = $state('');
+	let mode = $state<'edit' | 'preview'>('edit');
+
+	let tagsList = $state(data.tags || []);
 
 	// 自动从标题生成 Slug 简易逻辑
 	function handleTitleInput() {
@@ -17,10 +22,131 @@
 				.replace(/\s+/g, '-');
 		}
 	}
+
+	let selectedTags = $state<number[]>([]);
+	function toggleTag(tagId: number) {
+		if (selectedTags.includes(tagId)) {
+			selectedTags = selectedTags.filter(id => id !== tagId);
+		} else {
+			selectedTags = [...selectedTags, tagId];
+		}
+	}
+
+	let newTagInput = $state('');
+	let isAddingTag = $state(false);
+	let showTagDropdown = $state(false);
+	
+	let filteredTags = $derived(
+		(() => {
+			const input = newTagInput.trim().toLowerCase();
+			const available = tagsList.filter(t => !selectedTags.includes(t.id));
+			if (!input) return available.slice(0, 5);
+			return available.filter(t => t.name.toLowerCase().includes(input));
+		})()
+	);
+
+	async function handleAddTag(e: KeyboardEvent) {
+		if (e.key === 'Enter') {
+			e.preventDefault(); // 防止整个表单提交
+			const val = newTagInput.trim();
+			if (!val || isAddingTag) return;
+
+			// 检查是否已存在同名标签
+			const existingTag = tagsList.find((t) => t.name.toLowerCase() === val.toLowerCase());
+			if (existingTag) {
+				if (!selectedTags.includes(existingTag.id)) {
+					selectedTags = [...selectedTags, existingTag.id];
+				}
+				newTagInput = '';
+				showTagDropdown = false;
+				return;
+			}
+
+			isAddingTag = true;
+			try {
+				const formData = new FormData();
+				formData.append('name', val);
+				
+				const res = await fetch('/admin/tags?/create', {
+					method: 'POST',
+					body: formData,
+					headers: {
+						'x-sveltekit-action': 'true'
+					}
+				});
+				const result = deserialize(await res.text()) as any;
+				
+				if (result.type === 'success' && result.data?.tag) {
+					// 将新标签加入列表
+					tagsList = [...tagsList, result.data.tag];
+					// 自动选中新标签
+					selectedTags = [...selectedTags, result.data.tag.id];
+				}
+			} catch(e) {
+				console.error('Failed to create tag', e);
+			} finally {
+				isAddingTag = false;
+				newTagInput = '';
+				showTagDropdown = false;
+			}
+		}
+	}
+
+	// Markdown 工具栏功能
+	function insertAtCursor(before: string, after: string = '', defaultText: string = '') {
+		const textarea = document.getElementById('content') as HTMLTextAreaElement;
+		if (!textarea) return;
+
+		const start = textarea.selectionStart;
+		const end = textarea.selectionEnd;
+		const selectedText = textarea.value.substring(start, end);
+		
+		const insertion = selectedText ? (before + selectedText + after) : (before + defaultText + after);
+		
+		content = textarea.value.substring(0, start) + insertion + textarea.value.substring(end);
+		
+		// 恢复焦点并选中文字
+		setTimeout(() => {
+			textarea.focus();
+			if (selectedText) {
+				textarea.setSelectionRange(start, start + insertion.length);
+			} else {
+				textarea.setSelectionRange(start + before.length, start + before.length + defaultText.length);
+			}
+		}, 0);
+	}
+
+	function insertMore() {
+		insertAtCursor('\n<!--more-->\n', '', '');
+	}
+	
+	let showAdmonitionMenu = $state(false);
+	const admonitionTypes = [
+		{ type: 'note', title: '注意', label: '注意 (Note)' },
+		{ type: 'abstract', title: '摘要', label: '摘要 (Abstract)' },
+		{ type: 'info', title: '信息', label: '信息 (Info)' },
+		{ type: 'tip', title: '技巧', label: '技巧 (Tip)' },
+		{ type: 'success', title: '成功', label: '成功 (Success)' },
+		{ type: 'question', title: '问题', label: '问题 (Question)' },
+		{ type: 'warning', title: '警告', label: '警告 (Warning)' },
+		{ type: 'failure', title: '失败', label: '失败 (Failure)' },
+		{ type: 'danger', title: '危险', label: '危险 (Danger)' },
+		{ type: 'bug', title: 'Bug', label: 'Bug' },
+		{ type: 'example', title: '示例', label: '示例 (Example)' },
+		{ type: 'quote', title: '引用', label: '引用 (Quote)' }
+	];
+
+	function insertAdmonition(type: string, title: string) {
+		const openTag = `{{< admonition ${type} "${title}" >}}\n`;
+		const closeTag = `\n{{< /admonition >}}`;
+		insertAtCursor('\n' + openTag, closeTag, '在这里输入提示内容...');
+		showAdmonitionMenu = false;
+	}
+
 </script>
 
 <div class="admin-page-header">
-	<h2>新文章</h2>
+	<h2>新{$page.data.aliases?.post || '文章'}</h2>
 	<a href="/admin/posts" class="btn btn-secondary">&larr; 返回</a>
 </div>
 
@@ -33,7 +159,7 @@
 <form method="POST" class="post-form">
 	<div class="form-grid">
 		<div class="form-main">
-			<div class="form-group inline-group">
+			<div class="form-group">
 				<label for="title">标题 *</label>
 				<input
 					type="text"
@@ -47,26 +173,66 @@
 			</div>
 
 			<div class="form-group">
-				<label for="excerpt">摘要</label>
-				<textarea
-					id="excerpt"
-					name="excerpt"
-					bind:value={excerpt}
-					rows="3"
-					placeholder="简短介绍..."
-				></textarea>
-			</div>
+				<div class="editor-header">
+					<label for="content">正文 *</label>
+					
+					<div class="editor-header-right">
+						{#if mode === 'edit'}
+						<div class="md-toolbar">
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('**', '**', '粗体')} title="加粗"><svg viewBox="0 0 24 24"><path d="M6 4h9a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path><path d="M6 12h10a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('*', '*', '斜体')} title="斜体"><svg viewBox="0 0 24 24"><line x1="19" y1="4" x2="10" y2="4"></line><line x1="14" y1="20" x2="5" y2="20"></line><line x1="15" y1="4" x2="9" y2="20"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('~~', '~~', '删除线')} title="删除线"><svg viewBox="0 0 24 24"><path d="M16 4H9a3 3 0 0 0-2.83 4"></path><path d="M14 12a4 4 0 0 1 0 8H6"></path><line x1="4" y1="12" x2="20" y2="12"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('### ', '', '标题')} title="标题"><svg viewBox="0 0 24 24"><path d="M4 12h16M4 18V6M20 18V6"></path></svg></button>
+							<div class="md-divider"></div>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('- ', '', '列表项')} title="无序列表"><svg viewBox="0 0 24 24"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('[', '](https://)', '链接文字')} title="链接"><svg viewBox="0 0 24 24"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('![', '](https://)', '图片描述')} title="图片"><svg viewBox="0 0 24 24"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect><polygon points="6 21, 10 13, 13 16.5, 16.5 9.5, 19 21" style="fill: currentColor; stroke: currentColor; stroke-linejoin: round; stroke-width: 1.5;"></polygon></svg></button>
+							<button type="button" class="md-btn" onclick={() => insertAtCursor('```\n', '\n```', 'code')} title="代码块"><svg viewBox="0 0 24 24"><polyline points="16 18 22 12 16 6"></polyline><polyline points="8 6 2 12 8 18"></polyline></svg></button>
+							<div class="md-divider"></div>
+							<div class="toolbar-dropdown-wrapper">
+								{#if showAdmonitionMenu}
+									<!-- svelte-ignore a11y_click_events_have_key_events -->
+									<!-- svelte-ignore a11y_interactive_supports_focus -->
+									<div class="dropdown-overlay" onclick={() => showAdmonitionMenu = false} role="button"></div>
+								{/if}
+								<button type="button" class="md-btn" onclick={() => showAdmonitionMenu = !showAdmonitionMenu} title="提示框 (Admonition)"><svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="16" x2="12" y2="12"></line><line x1="12" y1="8" x2="12.01" y2="8"></line></svg></button>
+								{#if showAdmonitionMenu}
+								<div class="toolbar-dropdown">
+									{#each admonitionTypes as item}
+										<button type="button" class="dropdown-item" onclick={() => insertAdmonition(item.type, item.title)}>
+											{item.label}
+										</button>
+									{/each}
+								</div>
+								{/if}
+							</div>
+							<button type="button" class="md-btn" onclick={insertMore} title="插入摘要分割线"><svg viewBox="0 0 24 24"><polyline points="5 5 5 9 19 9 19 5"></polyline><polyline points="5 19 5 15 19 15 19 19"></polyline><line x1="4" y1="12" x2="20" y2="12" stroke-dasharray="3 3" stroke-linecap="butt"></line></svg></button>
+						</div>
+						{/if}
+						<div class="editor-tabs">
+							<button type="button" class="tab-btn {mode === 'edit' ? 'active' : ''}" onclick={() => mode = 'edit'}>编辑</button>
+							<button type="button" class="tab-btn {mode === 'preview' ? 'active' : ''}" onclick={() => mode = 'preview'}>预览</button>
+						</div>
+					</div>
+				</div>
 
-			<div class="form-group">
-				<label for="content">正文 *</label>
-				<textarea
-					id="content"
-					name="content"
-					bind:value={content}
-					rows="16"
-					placeholder="使用 Markdown 撰写..."
-					required
-				></textarea>
+				<div class="editor-body">
+					{#if mode === 'edit'}
+						<textarea
+							id="content"
+							name="content"
+							bind:value={content}
+							rows="16"
+							style="min-height: 400px;"
+							placeholder="支持 Markdown 格式..."
+							required
+						></textarea>
+					{:else}
+						<div class="preview-area">
+							<MarkdownRenderer {content} />
+						</div>
+					{/if}
+				</div>
 			</div>
 		</div>
 
@@ -82,7 +248,7 @@
 					type="text"
 					id="slug"
 					name="slug"
-					class="select-input"
+					class="sidebar-input"
 					bind:value={slug}
 					placeholder="hello-world"
 					required
@@ -99,19 +265,51 @@
 				</select>
 			</div>
 
-			{#if data.tags.length > 0}
-				<div class="sidebar-box">
-					<h3>标签</h3>
-					<div class="tags-list">
-						{#each data.tags as tag}
-							<label class="tag-item">
-								<input type="checkbox" name="tags" value={tag.id} />
-								<span>{tag.name}</span>
-							</label>
-						{/each}
-					</div>
+			<div class="sidebar-box">
+				<h3>标签</h3>
+				<div class="selected-tags-vertical">
+					{#each selectedTags as tagId}
+						{#if tagsList.find(t => t.id === tagId)}
+							{@const tag = tagsList.find(t => t.id === tagId)}
+							<div class="selected-tag-row">
+								<span>{tag?.name}</span>
+								<button type="button" class="remove-tag-btn" onclick={() => toggleTag(tagId)} title="移除标签"><svg viewBox="0 0 24 24" width="14" height="14" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" fill="none"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg></button>
+								<input type="hidden" name="tags" value={tagId} />
+							</div>
+						{/if}
+					{/each}
 				</div>
-			{/if}
+
+				<div class="tag-input-container">
+					<input
+						type="text"
+						class="sidebar-input tag-input-new"
+						placeholder="+ 添加标签..."
+						bind:value={newTagInput}
+						onkeydown={handleAddTag}
+						onfocus={() => showTagDropdown = true}
+						onblur={() => setTimeout(() => showTagDropdown = false, 200)}
+						disabled={isAddingTag}
+						autocomplete="off"
+					/>
+					
+					{#if showTagDropdown && filteredTags.length > 0}
+						<div class="tag-autocomplete-dropdown">
+							{#each filteredTags as tag}
+								<button type="button" class="tag-dropdown-item" onclick={() => {
+									if (!selectedTags.includes(tag.id)) {
+										selectedTags = [...selectedTags, tag.id];
+									}
+									newTagInput = '';
+									showTagDropdown = false;
+								}}>
+									{tag.name}
+								</button>
+							{/each}
+						</div>
+					{/if}
+				</div>
+			</div>
 		</div>
 	</div>
 </form>
@@ -156,14 +354,14 @@
 	}
 
 	.btn-primary:hover {
-		background-color: var(--accent-color, #bd6262);
-		border-color: var(--accent-color, #bd6262);
+		background-color: var(--accent-color, #419b38);
+		border-color: var(--accent-color, #419b38);
 		color: white;
 	}
 
 	.btn-secondary:hover {
-		border-color: var(--accent-color, #bd6262);
-		color: var(--accent-color, #bd6262);
+		border-color: var(--accent-color, #419b38);
+		color: var(--accent-color, #419b38);
 	}
 
 	.error-alert {
@@ -175,90 +373,101 @@
 		font-weight: 600;
 	}
 
+	.editor-header {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		margin-bottom: 6px;
+	}
+
+	.editor-tabs {
+		display: flex;
+		gap: 8px;
+	}
+
+	.tab-btn {
+		background: none;
+		border: none;
+		padding: 4px 12px;
+		font-size: 0.85rem;
+		font-weight: 600;
+		color: rgba(0, 0, 0, 0.4);
+		cursor: pointer;
+		border-radius: 4px;
+		transition: all 0.2s ease;
+	}
+
+	.tab-btn:hover {
+		background: rgba(0, 0, 0, 0.05);
+	}
+
+	.tab-btn.active {
+		color: var(--accent-color, #419b38);
+		background: rgba(65, 155, 56, 0.1);
+	}
+
+	.preview-area {
+		padding: 20px;
+		border: 1px solid rgba(0, 0, 0, 0.12);
+		background: rgba(0, 0, 0, 0.015);
+		min-height: 400px;
+		max-height: 600px;
+		overflow-y: auto;
+	}
+
 	.form-grid {
-		display: block;
+		display: grid;
+		grid-template-columns: 1fr 280px;
+		gap: 40px;
+		align-items: start;
 	}
 
 	.form-main {
-		max-width: 800px;
-		margin: 0 auto;
+		width: 100%;
 	}
 
 	.form-sidebar {
-		position: fixed;
-		top: 120px;
-		right: calc((100vw - 1024px) / 2 - 280px);
-		width: 260px;
+		position: sticky;
+		top: 80px;
+		width: 100%;
 		display: flex;
 		flex-direction: column;
 		gap: 30px;
 		z-index: 10;
 	}
 
-	@media (max-width: 1580px) {
-		.form-sidebar {
-			right: 20px;
+	@media (max-width: 900px) {
+		.form-grid {
+			grid-template-columns: 1fr;
 		}
-	}
-
-	@media (max-width: 1200px) {
+		
 		.form-sidebar {
 			position: static;
-			width: 100%;
-			margin-top: 40px;
 			flex-direction: row;
 			flex-wrap: wrap;
-			gap: 40px;
+			gap: 20px;
+			margin-top: 20px;
 		}
 	}
 
 	.form-group {
-		margin-bottom: 30px;
-	}
-
-	.form-group.inline-group {
-		display: flex;
-		align-items: center;
-		gap: 20px;
+		margin-bottom: 20px;
 	}
 
 	.form-group label {
 		display: block;
 		font-weight: 700;
-		margin-bottom: 12px;
+		margin-bottom: 6px;
 		color: var(--text-color);
 		font-size: 0.9rem;
 		letter-spacing: 0.5px;
 	}
 
-	.form-group.inline-group label {
-		margin-bottom: 0;
-		width: 55px; /* Fixed width for alignment */
-		flex-shrink: 0;
-	}
-
-	.form-group input[type="text"] {
-		width: 100%;
-		padding: 10px 0;
-		border: none;
-		border-bottom: 2px solid rgba(0, 0, 0, 0.1);
-		background: transparent;
-		font-family: inherit;
-		font-size: 1.05rem;
-		color: var(--text-color);
-		box-sizing: border-box;
-		transition: border-bottom-color 0.3s ease;
-	}
-
-	.form-group input[type="text"]:focus,
-	.select-input:focus {
-		outline: none;
-		border-bottom-color: var(--accent-color, #bd6262);
-	}
-
+	.form-group input[type="text"],
 	.form-group textarea {
+		
 		width: 100%;
-		padding: 16px;
+		padding: 12px 14px;
 		border: 1px solid rgba(0, 0, 0, 0.12);
 		border-radius: 0;
 		background: rgba(0, 0, 0, 0.015);
@@ -267,12 +476,29 @@
 		color: var(--text-color);
 		box-sizing: border-box;
 		transition: border-color 0.3s ease, box-shadow 0.3s ease;
+	}
+
+	.form-group textarea {
 		resize: vertical;
 		line-height: 1.8;
 		min-height: 120px;
 	}
 
-	.select-input {
+	.form-group input[type="text"]:focus,
+	.form-group textarea:focus {
+		outline: none;
+		border-color: var(--accent-color, #419b38);
+		box-shadow: 0 0 0 3px rgba(65, 155, 56, 0.08);
+	}
+
+	.select-input:focus,
+	.sidebar-input:focus {
+		outline: none;
+		border-bottom-color: var(--accent-color, #419b38);
+	}
+
+	.select-input,
+	.sidebar-input {
 		width: 100%;
 		padding: 10px 0;
 		border: none;
@@ -283,13 +509,16 @@
 		color: var(--text-color);
 		box-sizing: border-box;
 		transition: border-bottom-color 0.3s ease;
+	}
+
+	.select-input {
 		cursor: pointer;
 	}
 
 	.form-group textarea:focus {
 		outline: none;
-		border-color: var(--accent-color, #bd6262);
-		box-shadow: 0 0 0 3px rgba(189, 98, 98, 0.08);
+		border-color: var(--accent-color, #419b38);
+		box-shadow: 0 0 0 3px rgba(65, 155, 56, 0.08);
 	}
 
 	.sidebar-box {
@@ -309,25 +538,181 @@
 		border-bottom: none;
 	}
 
-	.tags-list {
+	.selected-tags-vertical {
 		display: flex;
 		flex-direction: column;
-		gap: 12px;
+		gap: 6px;
+		margin-bottom: 15px;
 	}
 
-	.tag-item {
+	.selected-tag-row {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		padding: 6px 10px;
+		border: 1px solid var(--text-color);
+		background: transparent;
+		font-weight: 600;
+		font-size: 0.9rem;
+	}
+
+	.remove-tag-btn {
+		background: transparent;
+		border: none;
+		color: var(--text-color);
+		font-size: 1.1rem;
+		cursor: pointer;
+		opacity: 0.7;
+		padding: 0 4px;
+	}
+	
+	.remove-tag-btn:hover {
+		opacity: 1;
+		color: #d9534f;
+	}
+
+	.tag-input-container {
+		position: relative;
+	}
+
+	.tag-autocomplete-dropdown {
+		position: absolute;
+		top: 100%;
+		left: 0;
+		right: 0;
+		background: var(--bg-color);
+		border: 1px solid var(--text-color);
+		box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
+		z-index: 50;
+		max-height: 200px;
+		overflow-y: auto;
+		display: flex;
+		flex-direction: column;
+		margin-top: 4px;
+	}
+
+	.tag-dropdown-item {
+		background: transparent;
+		border: none;
+		border-bottom: 1px solid rgba(0,0,0,0.1);
+		padding: 8px 12px;
+		text-align: left;
+		font-family: inherit;
+		font-size: 0.85rem;
+		color: var(--text-color);
+		cursor: pointer;
+		font-weight: 600;
+		transition: all 0.2s ease;
+	}
+
+	.tag-dropdown-item:last-child {
+		border-bottom: none;
+	}
+
+	.tag-dropdown-item:hover {
+		background: var(--text-color);
+		color: var(--bg-color);
+	}
+
+	
+	.editor-header-right {
 		display: flex;
 		align-items: center;
-		gap: 10px;
-		cursor: pointer;
-		font-size: 0.95rem;
+		gap: 15px;
 	}
 
-	.tag-item input[type="checkbox"] {
-		accent-color: var(--accent-color, #bd6262);
-		width: 16px;
-		height: 16px;
-		margin: 0;
-		cursor: pointer;
+	.md-toolbar {
+		display: flex;
+		align-items: center;
+		gap: 4px;
 	}
+
+	.md-btn {
+		background: transparent;
+		border: none;
+		padding: 4px;
+		cursor: pointer;
+		color: var(--text-color);
+		opacity: 0.65;
+		transition: all 0.2s ease;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		width: 28px;
+		height: 28px;
+		border-radius: 2px;
+	}
+
+	.md-btn:hover {
+		opacity: 1;
+		color: var(--accent-color, #419b38);
+		background-color: rgba(0,0,0,0.03);
+	}
+
+	.md-btn svg {
+		width: 18px;
+		height: 18px;
+		stroke: currentColor;
+		stroke-width: 1.5;
+		stroke-linecap: round;
+		stroke-linejoin: round;
+		fill: none;
+	}
+
+	.md-divider {
+		width: 2px;
+		height: 16px;
+		background: var(--text-color);
+		opacity: 0.15;
+		margin: 0 4px;
+	}
+
+	.toolbar-dropdown-wrapper {
+		position: relative;
+		display: inline-block;
+	}
+
+	.dropdown-overlay {
+		position: fixed;
+		top: 0; left: 0; right: 0; bottom: 0;
+		z-index: 99;
+	}
+
+	.toolbar-dropdown {
+		position: absolute;
+		top: 100%;
+		left: 0;
+		margin-top: 4px;
+		background: var(--bg-color, #ffffff);
+		border: 1px solid var(--text-color);
+		z-index: 100;
+		width: 140px;
+		box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
+		display: flex;
+		flex-direction: column;
+	}
+
+	.dropdown-item {
+		background: transparent;
+		border: none;
+		border-bottom: 1px solid rgba(0,0,0,0.1);
+		padding: 8px 12px;
+		text-align: left;
+		font-family: inherit;
+		font-size: 0.85rem;
+		color: var(--text-color);
+		cursor: pointer;
+		font-weight: 600;
+		transition: all 0.2s ease;
+	}
+	
+	.dropdown-item:last-child {
+		border-bottom: none;
+	}
+
+	.dropdown-item:hover {
+		background: var(--text-color);
+		color: var(--bg-color, #ffffff);
+	}
+
 </style>
diff --git a/src/routes/admin/tags/+page.server.ts b/src/routes/admin/tags/+page.server.ts
index a02ff97..6fcfea5 100644
--- a/src/routes/admin/tags/+page.server.ts
+++ b/src/routes/admin/tags/+page.server.ts
@@ -40,8 +40,10 @@ export const actions: Actions = {
 		}
 
 		try {
-			await db.prepare('INSERT INTO tags (name) VALUES (?)').bind(name).run();
-			return { success: true };
+			// 在 D1 中获取刚插入的 ID，可以通过 RETURNING id 语法
+			const { results } = await db.prepare('INSERT INTO tags (name) VALUES (?) RETURNING id').bind(name).all();
+			const newId = results[0]?.id;
+			return { success: true, tag: { id: newId, name } };
 		} catch (err: any) {
 			console.error('Error creating tag:', err);
 			if (err?.message?.includes('UNIQUE constraint failed')) {
diff --git a/src/routes/admin/tags/+page.svelte b/src/routes/admin/tags/+page.svelte
index 8049796..231cf1f 100644
--- a/src/routes/admin/tags/+page.svelte
+++ b/src/routes/admin/tags/+page.svelte
@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { page } from '$app/stores';
 	import type { PageData, ActionData } from './$types';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
@@ -7,7 +8,7 @@
 </script>
 
 <div class="admin-page-header">
-	<h2>标签管理</h2>
+	<h2>{$page.data.aliases?.tag || '标签'}管理</h2>
 </div>
 
 {#if form?.error}
@@ -17,9 +18,9 @@
 {/if}
 
 <div class="tags-grid-layout">
-	<!-- 左侧：新建标签卡片 -->
+	<!-- 左侧：新建{$page.data.aliases?.tag || '标签'}卡片 -->
 	<div class="create-tag-card">
-		<h3>新标签</h3>
+		<h3>新{$page.data.aliases?.tag || '标签'}</h3>
 		<form method="POST" action="?/create">
 			<div class="form-group">
 				<label for="name">名称 *</label>
@@ -36,18 +37,18 @@
 		</form>
 	</div>
 
-	<!-- 右侧：现有标签列表 -->
+	<!-- 右侧：现有{$page.data.aliases?.tag || '标签'}列表 -->
 	<div class="table-container">
 		{#if data.tags.length === 0}
 			<div class="empty-state">
-				<p>暂无任何标签，在左侧添加一个吧！</p>
+				<p>暂无任何{$page.data.aliases?.tag || '标签'}，在左侧添加一个吧！</p>
 			</div>
 		{:else}
 			<table class="data-table">
 				<thead>
 					<tr>
 						<th>ID</th>
-						<th>标签名称</th>
+						<th>{$page.data.aliases?.tag || '标签'}名称</th>
 						<th>关联文章数</th>
 						<th>操作</th>
 					</tr>
@@ -60,7 +61,7 @@
 							<td><span class="badge">{tag.post_count} 篇文章</span></td>
 							<td>
 								<form action="?/delete" method="POST" class="inline-form" onsubmit={(e) => {
-									if(!confirm(`确定要删除标签 "${tag.name}" 吗？`)) e.preventDefault();
+									if(!confirm(`确定要删除${$page.data.aliases?.tag || '标签'} "${tag.name}" 吗？`)) e.preventDefault();
 								}}>
 									<input type="hidden" name="id" value={tag.id} />
 									<button type="submit" class="action-btn delete">删除</button>
@@ -153,7 +154,7 @@
 
 	.form-group input[type="text"]:focus {
 		outline: none;
-		border-bottom-color: var(--accent-color, #bd6262);
+		border-bottom-color: var(--accent-color, #419b38);
 	}
 
 	.btn {
@@ -179,8 +180,8 @@
 	}
 
 	.btn-primary:hover {
-		background-color: var(--accent-color, #bd6262);
-		border-color: var(--accent-color, #bd6262);
+		background-color: var(--accent-color, #419b38);
+		border-color: var(--accent-color, #419b38);
 		color: white;
 	}