commit 184cc5b56b270d02d52feb179675986b4527007e
Author: hubian <908234780@qq.com>
Date:   Sun Apr 12 01:34:13 2026 +0800

    feat: 收藏关注系统 v1.0.0 - 支持CLI/API/Web三种操作模式

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..84c29cf
--- /dev/null
+++ b/README.md
@@ -0,0 +1,139 @@
+# Xian Favor - 收藏关注系统
+
+一个灵活的收藏管理系统，支持文本、链接、专栏、待办等多种内容类型，提供命令行、API、Web三种操作方式。
+
+## 功能特性
+
+- **多种内容类型**: 文本片段、网址链接、个人专栏、待办事项
+- **标签系统**: 灵活的标签分类，支持多标签
+- **状态管理**: 待办事项支持待处理/进行中/已完成状态
+- **优先级**: 待办事项支持低/中/高/紧急优先级
+- **截止日期**: 待办事项支持设置截止日期
+- **全文搜索**: 快速搜索标题、内容、备注
+- **统计面板**: 实时统计各类型、状态数量
+
+## 安装
+
+```bash
+cd works/xian-favor
+pip install -e .
+```
+
+## 使用方式
+
+### 命令行 (CLI)
+
+```bash
+# 添加文本笔记
+xian_favor add text "这是我的笔记" -t "笔记,重要"
+
+# 添加链接
+xian_favor add link "https://example.com" --title "示例网站" -t "技术"
+
+# 添加专栏
+xian_favor add column "https://column.example.com/feed" --title "技术专栏" --source "RSS" -t "订阅"
+
+# 添加待办（高优先级，截止日期）
+xian_favor add todo "完成项目" -p high -d "2026-12-31" -t "工作"
+
+# 列出所有条目
+xian_favor list
+
+# 筛选：只看待办
+xian_favor list --type todo
+
+# 筛选：只看进行中的待办
+xian_favor list --type todo --status in_progress
+
+# 筛选：按标签
+xian_favor list --tag 技术
+
+# 搜索
+xian_favor search "关键词"
+
+# 查看详情
+xian_favor show 1
+
+# 编辑
+xian_favor edit 1 --status completed --note "已完成"
+
+# 完成待办（快捷命令）
+xian_favor done 1
+
+# 删除
+xian_favor delete 1
+
+# 标签管理
+xian_favor tags
+xian_favor tags --delete "旧标签"
+
+# 统计信息
+xian_favor stats
+
+# 启动API服务
+xian_favor serve --port 19014
+```
+
+### API 服务
+
+启动服务：
+```bash
+xian_favor serve
+# 或指定端口
+xian_favor serve --port 19014
+```
+
+API端点：
+
+| 端点 | 方法 | 说明 |
+|------|------|------|
+| `/api/items` | GET | 列出条目 (支持 type/status/tag/keyword 参数) |
+| `/api/items` | POST | 创建条目 |
+| `/api/items/<id>` | GET | 获取详情 |
+| `/api/items/<id>` | PUT | 更新条目 |
+| `/api/items/<id>` | DELETE | 删除条目 |
+| `/api/items/<id>/done` | POST | 完成待办 |
+| `/api/tags` | GET | 列出标签 |
+| `/api/tags` | POST | 创建标签 |
+| `/api/tags/<id>` | DELETE | 删除标签 |
+| `/api/stats` | GET | 统计信息 |
+| `/api/search` | GET | 搜索 (参数 q=关键词) |
+
+### Web 界面
+
+访问 `http://localhost:19014` 即可使用Web界面：
+
+- 侧边栏快速筛选（类型、状态）
+- 搜索框实时搜索
+- 统计卡片实时更新
+- 添加/编辑/删除操作
+- 一键完成待办
+
+## 数据存储
+
+数据保存在 `data/xian_favor.db` (SQLite数据库)
+
+## 端口
+
+- 默认端口: **19014**
+
+## 项目结构
+
+```
+xian-favor/
+├── xian_favor/
+│   ├── __init__.py
+│   ├── cli.py          # 命令行工具
+│   ├── api.py          # API + Web服务
+│   ├── db.py           # 数据库操作
+│   └── config.py       # 配置
+├── data/
+│   └── xian_favor.db   # 数据库
+├── pyproject.toml
+├── requirements.txt
+└── README.md
+```
+
+## 版本历史
+
+- v1.0.0 (2026-04-12): 初始版本，支持CLI/API/Web三种模式
\ No newline at end of file
diff --git a/UNKNOWN.egg-info/PKG-INFO b/UNKNOWN.egg-info/PKG-INFO
new file mode 100644
index 0000000..405ec6f
--- /dev/null
+++ b/UNKNOWN.egg-info/PKG-INFO
@@ -0,0 +1,10 @@
+Metadata-Version: 2.1
+Name: UNKNOWN
+Version: 0.0.0
+Summary: UNKNOWN
+Home-page: UNKNOWN
+License: UNKNOWN
+Platform: UNKNOWN
+
+UNKNOWN
+
diff --git a/UNKNOWN.egg-info/SOURCES.txt b/UNKNOWN.egg-info/SOURCES.txt
new file mode 100644
index 0000000..bb52b66
--- /dev/null
+++ b/UNKNOWN.egg-info/SOURCES.txt
@@ -0,0 +1,7 @@
+README.md
+pyproject.toml
+setup.py
+UNKNOWN.egg-info/PKG-INFO
+UNKNOWN.egg-info/SOURCES.txt
+UNKNOWN.egg-info/dependency_links.txt
+UNKNOWN.egg-info/top_level.txt
\ No newline at end of file
diff --git a/UNKNOWN.egg-info/dependency_links.txt b/UNKNOWN.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/UNKNOWN.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/UNKNOWN.egg-info/top_level.txt b/UNKNOWN.egg-info/top_level.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/UNKNOWN.egg-info/top_level.txt
@@ -0,0 +1 @@
+
diff --git a/build/lib/xian_favor/__init__.py b/build/lib/xian_favor/__init__.py
new file mode 100644
index 0000000..a7650fa
--- /dev/null
+++ b/build/lib/xian_favor/__init__.py
@@ -0,0 +1,6 @@
+"""
+Xian Favor - 收藏关注系统
+支持命令行、API、Web多种操作模式
+"""
+
+__version__ = "1.0.0"
\ No newline at end of file
diff --git a/build/lib/xian_favor/__main__.py b/build/lib/xian_favor/__main__.py
new file mode 100644
index 0000000..51a6bad
--- /dev/null
+++ b/build/lib/xian_favor/__main__.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+"""命令行入口"""
+
+from xian_favor.cli import main
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/build/lib/xian_favor/api.py b/build/lib/xian_favor/api.py
new file mode 100644
index 0000000..2e0a3ac
--- /dev/null
+++ b/build/lib/xian_favor/api.py
@@ -0,0 +1,567 @@
+"""API服务"""
+
+from flask import Flask, request, jsonify, render_template_string
+from flask_cors import CORS
+import os
+
+from .db import db
+from .config import API_HOST, API_PORT, ITEM_TYPES, TODO_STATUS, PRIORITY_LEVELS
+
+app = Flask(__name__, 
+            template_folder=os.path.join(os.path.dirname(__file__), '../web/templates'),
+            static_folder=os.path.join(os.path.dirname(__file__), '../web/static'))
+CORS(app)
+
+# ============ API 路由 ============
+
+@app.route('/api/items', methods=['GET'])
+def list_items():
+    """列出条目"""
+    items = db.list_items(
+        type=request.args.get('type'),
+        status=request.args.get('status'),
+        tag=request.args.get('tag'),
+        keyword=request.args.get('keyword'),
+        limit=int(request.args.get('limit', 50)),
+        offset=int(request.args.get('offset', 0))
+    )
+    return jsonify({'success': True, 'data': items})
+
+
+@app.route('/api/items', methods=['POST'])
+def create_item():
+    """创建条目"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'success': False, 'error': '无数据'}), 400
+    
+    item_type = data.get('type', 'text')
+    if item_type not in ITEM_TYPES:
+        return jsonify({'success': False, 'error': f'无效类型: {item_type}'}), 400
+    
+    try:
+        item_id = db.create_item(
+            type=item_type,
+            title=data.get('title'),
+            content=data.get('content'),
+            url=data.get('url'),
+            source=data.get('source'),
+            status=data.get('status', 'pending'),
+            priority=data.get('priority', 'medium'),
+            due_date=data.get('due_date'),
+            note=data.get('note'),
+            tags=data.get('tags', [])
+        )
+        item = db.get_item(item_id)
+        return jsonify({'success': True, 'data': item}), 201
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/items/<int:item_id>', methods=['GET'])
+def get_item(item_id):
+    """获取条目"""
+    item = db.get_item(item_id)
+    if not item:
+        return jsonify({'success': False, 'error': '条目不存在'}), 404
+    return jsonify({'success': True, 'data': item})
+
+
+@app.route('/api/items/<int:item_id>', methods=['PUT'])
+def update_item(item_id):
+    """更新条目"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'success': False, 'error': '无数据'}), 400
+    
+    try:
+        if db.update_item(item_id, **data):
+            item = db.get_item(item_id)
+            return jsonify({'success': True, 'data': item})
+        else:
+            return jsonify({'success': False, 'error': '条目不存在或无变化'}), 404
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/items/<int:item_id>', methods=['DELETE'])
+def delete_item(item_id):
+    """删除条目"""
+    if db.delete_item(item_id):
+        return jsonify({'success': True})
+    return jsonify({'success': False, 'error': '条目不存在'}), 404
+
+
+@app.route('/api/items/<int:item_id>/done', methods=['POST'])
+def complete_item(item_id):
+    """完成待办"""
+    item = db.get_item(item_id)
+    if not item:
+        return jsonify({'success': False, 'error': '条目不存在'}), 404
+    
+    if item['type'] != 'todo':
+        return jsonify({'success': False, 'error': '不是待办事项'}), 400
+    
+    db.update_item(item_id, status='completed')
+    item = db.get_item(item_id)
+    return jsonify({'success': True, 'data': item})
+
+
+@app.route('/api/tags', methods=['GET'])
+def list_tags():
+    """列出标签"""
+    tags = db.list_tags()
+    return jsonify({'success': True, 'data': tags})
+
+
+@app.route('/api/tags', methods=['POST'])
+def create_tag():
+    """创建标签"""
+    data = request.get_json()
+    name = data.get('name', '').strip()
+    
+    if not name:
+        return jsonify({'success': False, 'error': '标签名不能为空'}), 400
+    
+    try:
+        tag_id = db.create_tag(name, data.get('color', '#3498db'))
+        return jsonify({'success': True, 'data': {'id': tag_id, 'name': name}}), 201
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/tags/<int:tag_id>', methods=['DELETE'])
+def delete_tag(tag_id):
+    """删除标签"""
+    if db.delete_tag(tag_id=tag_id):
+        return jsonify({'success': True})
+    return jsonify({'success': False, 'error': '标签不存在'}), 404
+
+
+@app.route('/api/stats', methods=['GET'])
+def get_stats():
+    """获取统计"""
+    stats = db.stats()
+    return jsonify({'success': True, 'data': stats})
+
+
+@app.route('/api/search', methods=['GET'])
+def search_items():
+    """搜索条目"""
+    keyword = request.args.get('q', '')
+    if not keyword:
+        return jsonify({'success': False, 'error': '请提供搜索关键词'}), 400
+    
+    items = db.list_items(
+        keyword=keyword,
+        type=request.args.get('type'),
+        limit=int(request.args.get('limit', 50))
+    )
+    return jsonify({'success': True, 'data': items})
+
+
+# ============ Web 页面 ============
+
+@app.route('/')
+def index():
+    """主页"""
+    return render_template_string(INDEX_TEMPLATE)
+
+
+# ============ Web 模板 ============
+
+INDEX_TEMPLATE = '''
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Xian Favor - 收藏系统</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
+    <style>
+        body { background: #f8f9fa; }
+        .sidebar { height: 100vh; background: #343a40; color: #fff; }
+        .sidebar a { color: #adb5bd; text-decoration: none; padding: 10px 20px; display: block; }
+        .sidebar a:hover, .sidebar a.active { background: #495057; color: #fff; }
+        .content { padding: 20px; }
+        .card { margin-bottom: 15px; transition: transform 0.2s; }
+        .card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
+        .tag { margin-right: 5px; }
+        .type-text { border-left: 4px solid #17a2b8; }
+        .type-link { border-left: 4px solid #28a745; }
+        .type-column { border-left: 4px solid #6f42c1; }
+        .type-todo { border-left: 4px solid #ffc107; }
+        .status-pending { color: #ffc107; }
+        .status-in_progress { color: #17a2b8; }
+        .status-completed { color: #28a745; text-decoration: line-through; }
+        .priority-low { color: #6c757d; }
+        .priority-medium { color: #ffc107; }
+        .priority-high { color: #fd7e14; }
+        .priority-urgent { color: #dc3545; }
+    </style>
+</head>
+<body>
+<div class="container-fluid">
+    <div class="row">
+        <!-- 侧边栏 -->
+        <div class="col-md-2 sidebar p-0">
+            <div class="p-3 border-bottom border-secondary">
+                <h5><i class="bi bi-bookmark-star"></i> Xian Favor</h5>
+            </div>
+            <nav>
+                <a href="#" class="active" data-filter="all"><i class="bi bi-inbox"></i> 全部</a>
+                <a href="#" data-filter="text"><i class="bi bi-file-text"></i> 文本</a>
+                <a href="#" data-filter="link"><i class="bi bi-link-45deg"></i> 链接</a>
+                <a href="#" data-filter="column"><i class="bi bi-newspaper"></i> 专栏</a>
+                <a href="#" data-filter="todo"><i class="bi bi-check2-square"></i> 待办</a>
+                <hr class="border-secondary">
+                <a href="#" data-filter="pending"><i class="bi bi-clock"></i> 待处理</a>
+                <a href="#" data-filter="in_progress"><i class="bi bi-arrow-repeat"></i> 进行中</a>
+                <a href="#" data-filter="completed"><i class="bi bi-check-circle"></i> 已完成</a>
+            </nav>
+        </div>
+        
+        <!-- 主内容 -->
+        <div class="col-md-10 content">
+            <!-- 顶部操作栏 -->
+            <div class="d-flex justify-content-between align-items-center mb-4">
+                <div class="d-flex gap-2">
+                    <input type="text" id="searchInput" class="form-control" placeholder="搜索..." style="width: 300px;">
+                    <select id="typeFilter" class="form-select" style="width: 120px;">
+                        <option value="">全部类型</option>
+                        <option value="text">文本</option>
+                        <option value="link">链接</option>
+                        <option value="column">专栏</option>
+                        <option value="todo">待办</option>
+                    </select>
+                </div>
+                <button class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#addModal">
+                    <i class="bi bi-plus-lg"></i> 添加
+                </button>
+            </div>
+            
+            <!-- 统计卡片 -->
+            <div class="row mb-4" id="statsCards">
+                <div class="col-md-3">
+                    <div class="card bg-primary text-white">
+                        <div class="card-body">
+                            <h6>总条目</h6>
+                            <h3 id="statTotal">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-warning text-dark">
+                        <div class="card-body">
+                            <h6>待处理</h6>
+                            <h3 id="statPending">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-info text-white">
+                        <div class="card-body">
+                            <h6>进行中</h6>
+                            <h3 id="statProgress">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-success text-white">
+                        <div class="card-body">
+                            <h6>已完成</h6>
+                            <h3 id="statCompleted">0</h3>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            
+            <!-- 列表 -->
+            <div id="itemList"></div>
+        </div>
+    </div>
+</div>
+
+<!-- 添加模态框 -->
+<div class="modal fade" id="addModal" tabindex="-1">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">添加条目</h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+            </div>
+            <div class="modal-body">
+                <form id="addForm">
+                    <div class="mb-3">
+                        <label class="form-label">类型</label>
+                        <select id="addType" class="form-select">
+                            <option value="text">📝 文本</option>
+                            <option value="link">🔗 链接</option>
+                            <option value="column">📰 专栏</option>
+                            <option value="todo">✅ 待办</option>
+                        </select>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">标题</label>
+                        <input type="text" id="addTitle" class="form-control" placeholder="可选">
+                    </div>
+                    <div class="mb-3" id="contentGroup">
+                        <label class="form-label">内容</label>
+                        <textarea id="addContent" class="form-control" rows="3"></textarea>
+                    </div>
+                    <div class="mb-3" id="urlGroup" style="display:none;">
+                        <label class="form-label">URL</label>
+                        <input type="url" id="addUrl" class="form-control">
+                    </div>
+                    <div class="mb-3" id="sourceGroup" style="display:none;">
+                        <label class="form-label">来源</label>
+                        <input type="text" id="addSource" class="form-control">
+                    </div>
+                    <div class="mb-3" id="todoFields" style="display:none;">
+                        <div class="row">
+                            <div class="col">
+                                <label class="form-label">状态</label>
+                                <select id="addStatus" class="form-select">
+                                    <option value="pending">⏳ 待处理</option>
+                                    <option value="in_progress">🔄 进行中</option>
+                                    <option value="completed">✅ 已完成</option>
+                                </select>
+                            </div>
+                            <div class="col">
+                                <label class="form-label">优先级</label>
+                                <select id="addPriority" class="form-select">
+                                    <option value="low">🟢 低</option>
+                                    <option value="medium" selected>🟡 中</option>
+                                    <option value="high">🟠 高</option>
+                                    <option value="urgent">🔴 紧急</option>
+                                </select>
+                            </div>
+                        </div>
+                        <div class="mt-3">
+                            <label class="form-label">截止日期</label>
+                            <input type="date" id="addDueDate" class="form-control">
+                        </div>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">标签 (逗号分隔)</label>
+                        <input type="text" id="addTags" class="form-control" placeholder="标签1, 标签2">
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">备注</label>
+                        <input type="text" id="addNote" class="form-control">
+                    </div>
+                </form>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
+                <button type="button" class="btn btn-primary" onclick="addItem()">添加</button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+<script>
+const API_BASE = '/api';
+let currentFilter = { type: '', status: '' };
+
+// 初始化
+document.addEventListener('DOMContentLoaded', () => {
+    loadItems();
+    loadStats();
+    
+    // 类型切换时显示/隐藏字段
+    document.getElementById('addType').addEventListener('change', (e) => {
+        const type = e.target.value;
+        document.getElementById('contentGroup').style.display = type === 'text' ? 'block' : 'none';
+        document.getElementById('urlGroup').style.display = ['link', 'column'].includes(type) ? 'block' : 'none';
+        document.getElementById('sourceGroup').style.display = type === 'column' ? 'block' : 'none';
+        document.getElementById('todoFields').style.display = type === 'todo' ? 'block' : 'none';
+    });
+    
+    // 搜索
+    document.getElementById('searchInput').addEventListener('input', debounce(loadItems, 300));
+    
+    // 类型过滤
+    document.getElementById('typeFilter').addEventListener('change', (e) => {
+        currentFilter.type = e.target.value;
+        loadItems();
+    });
+    
+    // 侧边栏过滤
+    document.querySelectorAll('.sidebar a').forEach(a => {
+        a.addEventListener('click', (e) => {
+            e.preventDefault();
+            document.querySelectorAll('.sidebar a').forEach(x => x.classList.remove('active'));
+            a.classList.add('active');
+            
+            const filter = a.dataset.filter;
+            if (['text', 'link', 'column', 'todo'].includes(filter)) {
+                currentFilter = { type: filter, status: '' };
+            } else if (['pending', 'in_progress', 'completed'].includes(filter)) {
+                currentFilter = { type: 'todo', status: filter };
+            } else {
+                currentFilter = { type: '', status: '' };
+            }
+            loadItems();
+        });
+    });
+});
+
+// 加载列表
+async function loadItems() {
+    const keyword = document.getElementById('searchInput').value;
+    let url = `${API_BASE}/items?limit=100`;
+    if (currentFilter.type) url += `&type=${currentFilter.type}`;
+    if (currentFilter.status) url += `&status=${currentFilter.status}`;
+    if (keyword) url += `&keyword=${encodeURIComponent(keyword)}`;
+    
+    const res = await fetch(url);
+    const data = await res.json();
+    
+    if (data.success) {
+        renderItems(data.data);
+    }
+}
+
+// 渲染列表
+function renderItems(items) {
+    const container = document.getElementById('itemList');
+    if (!items.length) {
+        container.innerHTML = '<div class="text-center text-muted py-5">暂无数据</div>';
+        return;
+    }
+    
+    container.innerHTML = items.map(item => `
+        <div class="card type-${item.type}">
+            <div class="card-body">
+                <div class="d-flex justify-content-between align-items-start">
+                    <div>
+                        <h6 class="card-title">
+                            ${getTypeIcon(item.type)} ${item.title || truncate(item.content || item.url, 50)}
+                        </h6>
+                        <p class="card-text text-muted small mb-2">
+                            ${item.url ? `<a href="${item.url}" target="_blank">${item.url}</a><br>` : ''}
+                            ${item.content ? truncate(item.content, 100) : ''}
+                        </p>
+                        <div>
+                            ${item.tags.map(t => `<span class="badge bg-secondary tag">${t}</span>`).join('')}
+                            ${item.type === 'todo' ? `
+                                <span class="badge status-${item.status}">${getStatusLabel(item.status)}</span>
+                                <span class="badge priority-${item.priority}">${getPriorityLabel(item.priority)}</span>
+                                ${item.due_date ? `<span class="badge bg-light text-dark">📅 ${item.due_date}</span>` : ''}
+                            ` : ''}
+                        </div>
+                    </div>
+                    <div class="btn-group btn-group-sm">
+                        ${item.type === 'todo' && item.status !== 'completed' ? 
+                            `<button class="btn btn-outline-success" onclick="completeItem(${item.id})" title="完成"><i class="bi bi-check-lg"></i></button>` : ''}
+                        <button class="btn btn-outline-danger" onclick="deleteItem(${item.id})" title="删除"><i class="bi bi-trash"></i></button>
+                    </div>
+                </div>
+                <div class="text-muted small mt-2">${formatDate(item.created_at)}</div>
+            </div>
+        </div>
+    `).join('');
+}
+
+// 加载统计
+async function loadStats() {
+    const res = await fetch(`${API_BASE}/stats`);
+    const data = await res.json();
+    if (data.success) {
+        document.getElementById('statTotal').textContent = data.data.total;
+        document.getElementById('statPending').textContent = data.data.todo_status?.pending || 0;
+        document.getElementById('statProgress').textContent = data.data.todo_status?.in_progress || 0;
+        document.getElementById('statCompleted').textContent = data.data.todo_status?.completed || 0;
+    }
+}
+
+// 添加条目
+async function addItem() {
+    const type = document.getElementById('addType').value;
+    const data = {
+        type,
+        title: document.getElementById('addTitle').value,
+        content: type === 'text' ? document.getElementById('addContent').value : null,
+        url: ['link', 'column'].includes(type) ? document.getElementById('addUrl').value : null,
+        source: type === 'column' ? document.getElementById('addSource').value : null,
+        status: type === 'todo' ? document.getElementById('addStatus').value : null,
+        priority: type === 'todo' ? document.getElementById('addPriority').value : null,
+        due_date: type === 'todo' ? document.getElementById('addDueDate').value : null,
+        note: document.getElementById('addNote').value,
+        tags: document.getElementById('addTags').value.split(',').map(t => t.trim()).filter(t => t)
+    };
+    
+    const res = await fetch(`${API_BASE}/items`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    
+    if (res.ok) {
+        bootstrap.Modal.getInstance(document.getElementById('addModal')).hide();
+        document.getElementById('addForm').reset();
+        loadItems();
+        loadStats();
+    }
+}
+
+// 完成待办
+async function completeItem(id) {
+    await fetch(`${API_BASE}/items/${id}/done`, { method: 'POST' });
+    loadItems();
+    loadStats();
+}
+
+// 删除条目
+async function deleteItem(id) {
+    if (!confirm('确认删除?')) return;
+    await fetch(`${API_BASE}/items/${id}`, { method: 'DELETE' });
+    loadItems();
+    loadStats();
+}
+
+// 工具函数
+function getTypeIcon(type) {
+    const icons = { text: '📝', link: '🔗', column: '📰', todo: '✅' };
+    return icons[type] || '📄';
+}
+
+function getStatusLabel(status) {
+    const labels = { pending: '待处理', in_progress: '进行中', completed: '已完成' };
+    return labels[status] || status;
+}
+
+function getPriorityLabel(priority) {
+    const labels = { low: '低', medium: '中', high: '高', urgent: '紧急' };
+    return labels[priority] || priority;
+}
+
+function truncate(str, len) {
+    return str && str.length > len ? str.substring(0, len) + '...' : str || '';
+}
+
+function formatDate(dateStr) {
+    return new Date(dateStr).toLocaleString('zh-CN');
+}
+
+function debounce(fn, delay) {
+    let timer;
+    return function(...args) {
+        clearTimeout(timer);
+        timer = setTimeout(() => fn.apply(this, args), delay);
+    };
+}
+</script>
+</body>
+</html>
+'''
+
+
+def start_server(host: str = API_HOST, port: int = API_PORT):
+    """启动服务"""
+    app.run(host=host, port=port, debug=False)
\ No newline at end of file
diff --git a/build/lib/xian_favor/cli.py b/build/lib/xian_favor/cli.py
new file mode 100644
index 0000000..6eda465
--- /dev/null
+++ b/build/lib/xian_favor/cli.py
@@ -0,0 +1,430 @@
+"""命令行工具"""
+
+import argparse
+import sys
+import json
+from datetime import datetime
+from typing import List
+
+from .db import db
+from .config import ITEM_TYPES, TODO_STATUS, PRIORITY_LEVELS
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Xian Favor - 收藏关注系统",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog="""
+示例:
+  xian_favor add text "这是我的笔记" -t "笔记,重要"
+  xian_favor add link "https://example.com" --title "示例网站" -t "技术"
+  xian_favor add todo "完成项目" -p high -d "2024-12-31" -t "工作"
+  xian_favor add column "https://column.example.com/feed" --title "技术专栏" -t "RSS"
+  xian_favor list
+  xian_favor list --type todo --status pending
+  xian_favor search "关键词"
+  xian_favor show 1
+  xian_favor edit 1 --status completed --note "已完成"
+  xian_favor done 1
+  xian_favor delete 1
+  xian_favor tags
+  xian_favor stats
+        """
+    )
+    
+    subparsers = parser.add_subparsers(dest="command", help="命令")
+    
+    # ============ add 命令 ============
+    add_parser = subparsers.add_parser("add", help="添加新条目")
+    add_parser.add_argument("type", choices=ITEM_TYPES, help="类型: text/link/column/todo")
+    add_parser.add_argument("content", help="内容或URL")
+    add_parser.add_argument("--title", "-T", help="标题")
+    add_parser.add_argument("--url", "-u", help="URL (link/column类型)")
+    add_parser.add_argument("--source", "-s", help="来源")
+    add_parser.add_argument("--status", choices=TODO_STATUS, default="pending", help="状态 (todo)")
+    add_parser.add_argument("--priority", "-p", choices=PRIORITY_LEVELS, default="medium", help="优先级")
+    add_parser.add_argument("--due-date", "-d", help="截止日期 (YYYY-MM-DD)")
+    add_parser.add_argument("--note", "-n", help="备注")
+    add_parser.add_argument("--tags", "-t", help="标签 (逗号分隔)")
+    
+    # ============ list 命令 ============
+    list_parser = subparsers.add_parser("list", help="列出条目")
+    list_parser.add_argument("--type", choices=ITEM_TYPES, help="类型过滤")
+    list_parser.add_argument("--status", choices=TODO_STATUS, help="状态过滤")
+    list_parser.add_argument("--tag", help="标签过滤")
+    list_parser.add_argument("--limit", "-l", type=int, default=20, help="数量限制")
+    list_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ show 命令 ============
+    show_parser = subparsers.add_parser("show", help="查看详情")
+    show_parser.add_argument("id", type=int, help="条目ID")
+    show_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ edit 命令 ============
+    edit_parser = subparsers.add_parser("edit", help="编辑条目")
+    edit_parser.add_argument("id", type=int, help="条目ID")
+    edit_parser.add_argument("--title", "-T", help="标题")
+    edit_parser.add_argument("--content", "-c", help="内容")
+    edit_parser.add_argument("--url", "-u", help="URL")
+    edit_parser.add_argument("--source", "-s", help="来源")
+    edit_parser.add_argument("--status", choices=TODO_STATUS, help="状态")
+    edit_parser.add_argument("--priority", "-p", choices=PRIORITY_LEVELS, help="优先级")
+    edit_parser.add_argument("--due-date", "-d", help="截止日期")
+    edit_parser.add_argument("--note", "-n", help="备注")
+    edit_parser.add_argument("--tags", "-t", help="标签 (逗号分隔, 覆盖)")
+    
+    # ============ done 命令 ============
+    done_parser = subparsers.add_parser("done", help="完成待办")
+    done_parser.add_argument("id", type=int, help="条目ID")
+    
+    # ============ delete 命令 ============
+    delete_parser = subparsers.add_parser("delete", help="删除条目")
+    delete_parser.add_argument("id", type=int, help="条目ID")
+    delete_parser.add_argument("-f", "--force", action="store_true", help="强制删除不确认")
+    
+    # ============ search 命令 ============
+    search_parser = subparsers.add_parser("search", help="搜索条目")
+    search_parser.add_argument("keyword", help="关键词")
+    search_parser.add_argument("--type", choices=ITEM_TYPES, help="类型过滤")
+    search_parser.add_argument("--limit", "-l", type=int, default=20, help="数量限制")
+    search_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ tags 命令 ============
+    tags_parser = subparsers.add_parser("tags", help="标签管理")
+    tags_parser.add_argument("--delete", "-d", help="删除标签")
+    
+    # ============ stats 命令 ============
+    subparsers.add_parser("stats", help="统计信息")
+    
+    # ============ serve 命令 ============
+    serve_parser = subparsers.add_parser("serve", help="启动API服务")
+    serve_parser.add_argument("--host", default="0.0.0.0", help="主机")
+    serve_parser.add_argument("--port", type=int, default=19014, help="端口")
+    
+    # 解析参数
+    args = parser.parse_args()
+    
+    if not args.command:
+        parser.print_help()
+        return
+    
+    # 执行命令
+    try:
+        if args.command == "add":
+            cmd_add(args)
+        elif args.command == "list":
+            cmd_list(args)
+        elif args.command == "show":
+            cmd_show(args)
+        elif args.command == "edit":
+            cmd_edit(args)
+        elif args.command == "done":
+            cmd_done(args)
+        elif args.command == "delete":
+            cmd_delete(args)
+        elif args.command == "search":
+            cmd_search(args)
+        elif args.command == "tags":
+            cmd_tags(args)
+        elif args.command == "stats":
+            cmd_stats(args)
+        elif args.command == "serve":
+            cmd_serve(args)
+    except Exception as e:
+        print(f"❌ 错误: {e}", file=sys.stderr)
+        sys.exit(1)
+
+
+# ============ 命令实现 ============
+
+def parse_tags(tags_str: str) -> List[str]:
+    """解析标签字符串"""
+    if not tags_str:
+        return []
+    return [t.strip() for t in tags_str.split(",") if t.strip()]
+
+
+def format_item(item: dict, brief: bool = True) -> str:
+    """格式化条目显示"""
+    type_icons = {
+        "text": "📝",
+        "link": "🔗",
+        "column": "📰",
+        "todo": "✅"
+    }
+    status_icons = {
+        "pending": "⏳",
+        "in_progress": "🔄",
+        "completed": "✅"
+    }
+    priority_icons = {
+        "low": "🟢",
+        "medium": "🟡",
+        "high": "🟠",
+        "urgent": "🔴"
+    }
+    
+    icon = type_icons.get(item['type'], "📄")
+    status = status_icons.get(item.get('status', ''), '')
+    priority = priority_icons.get(item.get('priority', ''), '')
+    
+    title = item.get('title') or item.get('content', '')[:50]
+    tags_str = f" [{', '.join(item['tags'])}]" if item.get('tags') else ""
+    
+    if brief:
+        return f"  {icon} [{item['id']}] {title}{tags_str}"
+    else:
+        lines = [
+            f"{icon} [{item['id']}] {title}",
+            f"  类型: {item['type']}",
+        ]
+        if item.get('content'):
+            lines.append(f"  内容: {item['content'][:200]}")
+        if item.get('url'):
+            lines.append(f"  URL: {item['url']}")
+        if item.get('source'):
+            lines.append(f"  来源: {item['source']}")
+        if item['type'] == 'todo':
+            lines.append(f"  状态: {status} {item.get('status', 'pending')}")
+            lines.append(f"  优先级: {priority} {item.get('priority', 'medium')}")
+            if item.get('due_date'):
+                lines.append(f"  截止: {item['due_date']}")
+        if item.get('note'):
+            lines.append(f"  备注: {item['note']}")
+        if item.get('tags'):
+            lines.append(f"  标签: {', '.join(item['tags'])}")
+        lines.append(f"  创建: {item['created_at'][:19]}")
+        return "\n".join(lines)
+
+
+def cmd_add(args):
+    """添加条目"""
+    tags = parse_tags(args.tags)
+    
+    # 根据类型处理内容
+    content = args.content
+    url = args.url
+    
+    if args.type == "link":
+        url = url or args.content
+        content = None
+    elif args.type == "column":
+        url = url or args.content
+        content = None
+    
+    item_id = db.create_item(
+        type=args.type,
+        title=args.title,
+        content=content,
+        url=url,
+        source=args.source,
+        status=args.status,
+        priority=args.priority,
+        due_date=args.due_date,
+        note=args.note,
+        tags=tags
+    )
+    
+    item = db.get_item(item_id)
+    print(f"✅ 创建成功 (ID: {item_id})")
+    print(format_item(item, brief=False))
+
+
+def cmd_list(args):
+    """列出条目"""
+    items = db.list_items(
+        type=args.type,
+        status=args.status,
+        tag=args.tag,
+        limit=args.limit
+    )
+    
+    if args.json:
+        print(json.dumps(items, ensure_ascii=False, indent=2))
+        return
+    
+    if not items:
+        print("📭 没有找到条目")
+        return
+    
+    type_labels = {"text": "文本", "link": "链接", "column": "专栏", "todo": "待办"}
+    filter_desc = []
+    if args.type:
+        filter_desc.append(f"类型: {type_labels.get(args.type, args.type)}")
+    if args.status:
+        filter_desc.append(f"状态: {args.status}")
+    if args.tag:
+        filter_desc.append(f"标签: {args.tag}")
+    
+    if filter_desc:
+        print(f"📋 筛选: {' | '.join(filter_desc)}")
+    else:
+        print(f"📋 全部条目 ({len(items)} 条)")
+    print("-" * 50)
+    
+    for item in items:
+        print(format_item(item))
+
+
+def cmd_show(args):
+    """查看详情"""
+    item = db.get_item(args.id)
+    
+    if not item:
+        print(f"❌ 条目不存在: {args.id}")
+        return
+    
+    if args.json:
+        print(json.dumps(item, ensure_ascii=False, indent=2))
+        return
+    
+    print(format_item(item, brief=False))
+
+
+def cmd_edit(args):
+    """编辑条目"""
+    update_data = {}
+    
+    if args.title is not None:
+        update_data['title'] = args.title
+    if args.content is not None:
+        update_data['content'] = args.content
+    if args.url is not None:
+        update_data['url'] = args.url
+    if args.source is not None:
+        update_data['source'] = args.source
+    if args.status is not None:
+        update_data['status'] = args.status
+    if args.priority is not None:
+        update_data['priority'] = args.priority
+    if args.due_date is not None:
+        update_data['due_date'] = args.due_date
+    if args.note is not None:
+        update_data['note'] = args.note
+    if args.tags is not None:
+        update_data['tags'] = parse_tags(args.tags)
+    
+    if not update_data:
+        print("❌ 没有指定要更新的字段")
+        return
+    
+    if db.update_item(args.id, **update_data):
+        item = db.get_item(args.id)
+        print(f"✅ 更新成功 (ID: {args.id})")
+        print(format_item(item, brief=False))
+    else:
+        print(f"❌ 更新失败: 条目不存在或没有变化")
+
+
+def cmd_done(args):
+    """完成待办"""
+    item = db.get_item(args.id)
+    if not item:
+        print(f"❌ 条目不存在: {args.id}")
+        return
+    
+    if item['type'] != 'todo':
+        print(f"❌ 不是待办事项: {args.id}")
+        return
+    
+    if db.update_item(args.id, status='completed'):
+        print(f"✅ 已完成待办 (ID: {args.id})")
+    else:
+        print(f"❌ 操作失败")
+
+
+def cmd_delete(args):
+    """删除条目"""
+    if not args.force:
+        item = db.get_item(args.id)
+        if not item:
+            print(f"❌ 条目不存在: {args.id}")
+            return
+        
+        print(format_item(item, brief=False))
+        confirm = input("确认删除? [y/N] ")
+        if confirm.lower() != 'y':
+            print("❌ 取消删除")
+            return
+    
+    if db.delete_item(args.id):
+        print(f"✅ 已删除 (ID: {args.id})")
+    else:
+        print(f"❌ 删除失败")
+
+
+def cmd_search(args):
+    """搜索条目"""
+    items = db.list_items(
+        type=args.type,
+        keyword=args.keyword,
+        limit=args.limit
+    )
+    
+    if args.json:
+        print(json.dumps(items, ensure_ascii=False, indent=2))
+        return
+    
+    if not items:
+        print(f"🔍 没有找到匹配 '{args.keyword}' 的条目")
+        return
+    
+    print(f"🔍 搜索 '{args.keyword}' ({len(items)} 条)")
+    print("-" * 50)
+    
+    for item in items:
+        print(format_item(item))
+
+
+def cmd_tags(args):
+    """标签管理"""
+    if args.delete:
+        if db.delete_tag(name=args.delete):
+            print(f"✅ 已删除标签: {args.delete}")
+        else:
+            print(f"❌ 标签不存在: {args.delete}")
+        return
+    
+    tags = db.list_tags()
+    if not tags:
+        print("🏷️ 没有标签")
+        return
+    
+    print(f"🏷️ 标签列表 ({len(tags)} 个)")
+    print("-" * 50)
+    for tag in tags:
+        print(f"  • {tag['name']} ({tag['item_count']} 条)")
+
+
+def cmd_stats(args):
+    """统计信息"""
+    stats = db.stats()
+    
+    print("📊 收藏统计")
+    print("-" * 30)
+    print(f"总条目: {stats['total']}")
+    
+    if stats.get('by_type'):
+        print("\n按类型:")
+        type_labels = {"text": "文本", "link": "链接", "column": "专栏", "todo": "待办"}
+        for t, count in stats['by_type'].items():
+            print(f"  • {type_labels.get(t, t)}: {count}")
+    
+    if stats.get('todo_status'):
+        print("\n待办状态:")
+        status_labels = {"pending": "待处理", "in_progress": "进行中", "completed": "已完成"}
+        for s, count in stats['todo_status'].items():
+            print(f"  • {status_labels.get(s, s)}: {count}")
+    
+    print(f"\n标签数: {stats['tags']}")
+
+
+def cmd_serve(args):
+    """启动API服务"""
+    from .api import start_server
+    print(f"🚀 启动API服务: http://{args.host}:{args.port}")
+    start_server(host=args.host, port=args.port)
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/build/lib/xian_favor/config.py b/build/lib/xian_favor/config.py
new file mode 100644
index 0000000..07d2e6e
--- /dev/null
+++ b/build/lib/xian_favor/config.py
@@ -0,0 +1,26 @@
+"""配置文件"""
+
+import os
+from pathlib import Path
+
+# 数据目录 - 使用用户可访问的路径
+# 默认在 ~/.xian_favor/ 目录下
+DEFAULT_DATA_DIR = Path.home() / ".xian_favor"
+DATA_DIR = Path(os.getenv("XIAN_FAVOR_DATA_DIR", str(DEFAULT_DATA_DIR)))
+DATA_DIR.mkdir(parents=True, exist_ok=True)
+
+# 数据库
+DATABASE_URL = os.getenv("XIAN_FAVOR_DB", str(DATA_DIR / "xian_favor.db"))
+
+# API服务
+API_HOST = os.getenv("XIAN_FAVOR_HOST", "0.0.0.0")
+API_PORT = int(os.getenv("XIAN_FAVOR_PORT", "19014"))
+
+# 内容类型
+ITEM_TYPES = ["text", "link", "column", "todo"]
+
+# 待办状态
+TODO_STATUS = ["pending", "in_progress", "completed"]
+
+# 优先级
+PRIORITY_LEVELS = ["low", "medium", "high", "urgent"]
\ No newline at end of file
diff --git a/build/lib/xian_favor/db.py b/build/lib/xian_favor/db.py
new file mode 100644
index 0000000..990e3ea
--- /dev/null
+++ b/build/lib/xian_favor/db.py
@@ -0,0 +1,321 @@
+"""数据库操作"""
+
+import sqlite3
+import json
+from datetime import datetime
+from typing import Optional, List, Dict, Any
+from contextlib import contextmanager
+
+from .config import DATABASE_URL, TODO_STATUS, PRIORITY_LEVELS
+
+
+class Database:
+    """SQLite数据库管理"""
+    
+    def __init__(self, db_path: str = DATABASE_URL):
+        self.db_path = db_path
+        self._initialized = False
+    
+    def _ensure_init(self):
+        """确保数据库已初始化"""
+        if self._initialized:
+            return
+        self._init_db()
+        self._initialized = True
+    
+    @contextmanager
+    def get_conn(self):
+        """获取数据库连接"""
+        conn = sqlite3.connect(self.db_path, timeout=30.0)
+        conn.row_factory = sqlite3.Row
+        # 启用WAL模式，提高并发性能
+        conn.execute("PRAGMA journal_mode=WAL")
+        conn.execute("PRAGMA busy_timeout=30000")
+        try:
+            yield conn
+        finally:
+            conn.close()
+    
+    def _init_db(self):
+        """初始化数据库表"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            # 主内容表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS items (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    type TEXT NOT NULL DEFAULT 'text',
+                    title TEXT,
+                    content TEXT,
+                    url TEXT,
+                    source TEXT,
+                    status TEXT DEFAULT 'pending',
+                    priority TEXT DEFAULT 'medium',
+                    due_date TEXT,
+                    note TEXT,
+                    created_at TEXT NOT NULL,
+                    updated_at TEXT NOT NULL
+                )
+            """)
+            
+            # 标签表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS tags (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    name TEXT NOT NULL UNIQUE,
+                    color TEXT DEFAULT '#3498db',
+                    created_at TEXT NOT NULL
+                )
+            """)
+            
+            # 内容-标签关联表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS item_tags (
+                    item_id INTEGER NOT NULL,
+                    tag_id INTEGER NOT NULL,
+                    PRIMARY KEY (item_id, tag_id),
+                    FOREIGN KEY (item_id) REFERENCES items(id) ON DELETE CASCADE,
+                    FOREIGN KEY (tag_id) REFERENCES tags(id) ON DELETE CASCADE
+                )
+            """)
+            
+            # 创建索引
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_type ON items(type)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_status ON items(status)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_created ON items(created_at)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_item ON item_tags(item_id)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_tag ON item_tags(tag_id)")
+            
+            conn.commit()
+    
+    # ============ Item 操作 ============
+    
+    def create_item(self, type: str = "text", title: str = None, content: str = None,
+                    url: str = None, source: str = None, status: str = "pending",
+                    priority: str = "medium", due_date: str = None, note: str = None,
+                    tags: List[str] = None) -> int:
+        """创建新条目"""
+        self._ensure_init()
+        now = datetime.now().isoformat()
+        
+        # 验证状态
+        if type == "todo" and status not in TODO_STATUS:
+            status = "pending"
+        if priority not in PRIORITY_LEVELS:
+            priority = "medium"
+        
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("""
+                INSERT INTO items (type, title, content, url, source, status, priority, due_date, note, created_at, updated_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            """, (type, title, content, url, source, status, priority, due_date, note, now, now))
+            item_id = cursor.lastrowid
+            
+            # 添加标签
+            if tags:
+                self._add_tags_to_item(conn, item_id, tags)
+            
+            conn.commit()
+            return item_id
+    
+    def get_item(self, item_id: int) -> Optional[Dict[str, Any]]:
+        """获取单个条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("SELECT * FROM items WHERE id = ?", (item_id,))
+            row = cursor.fetchone()
+            if not row:
+                return None
+            
+            item = dict(row)
+            item['tags'] = self._get_item_tags(conn, item_id)
+            return item
+    
+    def list_items(self, type: str = None, status: str = None, tag: str = None,
+                   keyword: str = None, limit: int = 50, offset: int = 0) -> List[Dict[str, Any]]:
+        """列出条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            query = "SELECT DISTINCT i.* FROM items i"
+            params = []
+            conditions = []
+            
+            # 标签过滤需要JOIN
+            if tag:
+                query += " JOIN item_tags it ON i.id = it.item_id JOIN tags t ON it.tag_id = t.id"
+                conditions.append("t.name = ?")
+                params.append(tag)
+            
+            if type:
+                conditions.append("i.type = ?")
+                params.append(type)
+            
+            if status:
+                conditions.append("i.status = ?")
+                params.append(status)
+            
+            if keyword:
+                conditions.append("(i.title LIKE ? OR i.content LIKE ? OR i.note LIKE ?)")
+                keyword_pattern = f"%{keyword}%"
+                params.extend([keyword_pattern, keyword_pattern, keyword_pattern])
+            
+            if conditions:
+                query += " WHERE " + " AND ".join(conditions)
+            
+            query += " ORDER BY i.created_at DESC LIMIT ? OFFSET ?"
+            params.extend([limit, offset])
+            
+            cursor.execute(query, params)
+            items = []
+            for row in cursor.fetchall():
+                item = dict(row)
+                item['tags'] = self._get_item_tags(conn, item['id'])
+                items.append(item)
+            
+            return items
+    
+    def update_item(self, item_id: int, **kwargs) -> bool:
+        """更新条目"""
+        allowed_fields = ['type', 'title', 'content', 'url', 'source', 'status', 'priority', 'due_date', 'note']
+        update_fields = {k: v for k, v in kwargs.items() if k in allowed_fields}
+        
+        if not update_fields and 'tags' not in kwargs:
+            return False
+        
+        now = datetime.now().isoformat()
+        
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            if update_fields:
+                set_clause = ", ".join(f"{k} = ?" for k in update_fields.keys())
+                set_clause += ", updated_at = ?"
+                values = list(update_fields.values()) + [now, item_id]
+                cursor.execute(f"UPDATE items SET {set_clause} WHERE id = ?", values)
+            
+            if 'tags' in kwargs:
+                # 先删除旧标签关联
+                cursor.execute("DELETE FROM item_tags WHERE item_id = ?", (item_id,))
+                # 添加新标签
+                if kwargs['tags']:
+                    self._add_tags_to_item(conn, item_id, kwargs['tags'])
+            
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    def delete_item(self, item_id: int) -> bool:
+        """删除条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("DELETE FROM items WHERE id = ?", (item_id,))
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    # ============ Tag 操作 ============
+    
+    def create_tag(self, name: str, color: str = "#3498db") -> int:
+        """创建标签"""
+        now = datetime.now().isoformat()
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            try:
+                cursor.execute("INSERT INTO tags (name, color, created_at) VALUES (?, ?, ?)",
+                             (name, color, now))
+                conn.commit()
+                return cursor.lastrowid
+            except sqlite3.IntegrityError:
+                # 标签已存在
+                cursor.execute("SELECT id FROM tags WHERE name = ?", (name,))
+                return cursor.fetchone()['id']
+    
+    def list_tags(self) -> List[Dict[str, Any]]:
+        """列出所有标签"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("""
+                SELECT t.*, COUNT(it.item_id) as item_count
+                FROM tags t
+                LEFT JOIN item_tags it ON t.id = it.tag_id
+                GROUP BY t.id
+                ORDER BY t.name
+            """)
+            return [dict(row) for row in cursor.fetchall()]
+    
+    def delete_tag(self, tag_id: int = None, name: str = None) -> bool:
+        """删除标签"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            if name:
+                cursor.execute("DELETE FROM tags WHERE name = ?", (name,))
+            elif tag_id:
+                cursor.execute("DELETE FROM tags WHERE id = ?", (tag_id,))
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    # ============ 辅助方法 ============
+    
+    def _add_tags_to_item(self, conn, item_id: int, tags: List[str]):
+        """为条目添加标签"""
+        cursor = conn.cursor()
+        for tag_name in tags:
+            tag_name = tag_name.strip()
+            if not tag_name:
+                continue
+            # 确保标签存在 - 使用同一个连接
+            cursor.execute("SELECT id FROM tags WHERE name = ?", (tag_name,))
+            row = cursor.fetchone()
+            if row:
+                tag_id = row['id']
+            else:
+                # 创建新标签
+                now = datetime.now().isoformat()
+                cursor.execute("INSERT INTO tags (name, color, created_at) VALUES (?, '#3498db', ?)",
+                             (tag_name, now))
+                tag_id = cursor.lastrowid
+            # 创建关联
+            cursor.execute("INSERT OR IGNORE INTO item_tags (item_id, tag_id) VALUES (?, ?)",
+                         (item_id, tag_id))
+    
+    def _get_item_tags(self, conn, item_id: int) -> List[str]:
+        """获取条目的标签"""
+        cursor = conn.cursor()
+        cursor.execute("""
+            SELECT t.name FROM tags t
+            JOIN item_tags it ON t.id = it.tag_id
+            WHERE it.item_id = ?
+            ORDER BY t.name
+        """, (item_id,))
+        return [row['name'] for row in cursor.fetchall()]
+    
+    def stats(self) -> Dict[str, Any]:
+        """获取统计信息"""
+        self._ensure_init()
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            stats = {}
+            
+            # 总数
+            cursor.execute("SELECT COUNT(*) as count FROM items")
+            stats['total'] = cursor.fetchone()['count']
+            
+            # 按类型统计
+            cursor.execute("SELECT type, COUNT(*) as count FROM items GROUP BY type")
+            stats['by_type'] = {row['type']: row['count'] for row in cursor.fetchall()}
+            
+            # 待办状态统计
+            cursor.execute("SELECT status, COUNT(*) as count FROM items WHERE type = 'todo' GROUP BY status")
+            stats['todo_status'] = {row['status']: row['count'] for row in cursor.fetchall()}
+            
+            # 标签数
+            cursor.execute("SELECT COUNT(*) as count FROM tags")
+            stats['tags'] = cursor.fetchone()['count']
+            
+            return stats
+
+
+# 全局数据库实例
+db = Database()
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..a5bb00a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,25 @@
+[project]
+name = "xian-favor"
+version = "1.0.0"
+description = "Xian Favor - 收藏关注系统，支持命令行、API、Web多种操作模式"
+readme = "README.md"
+requires-python = ">=3.8"
+license = {text = "MIT"}
+authors = [
+    {name = "Xian", email = "wlq@tphai.com"}
+]
+dependencies = [
+    "flask>=2.3.0",
+    "flask-cors>=4.0.0",
+]
+
+[project.scripts]
+xian_favor = "xian_favor.cli:main"
+
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["xian_favor*"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..2a6bcb3
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+flask>=2.3.0
+flask-cors>=4.0.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..b14743f
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""Setup"""
+
+from setuptools import setup, find_packages
+
+setup(
+    name="xian-favor",
+    version="1.0.0",
+    description="Xian Favor - 收藏关注系统",
+    packages=find_packages(),
+    install_requires=[
+        "flask>=2.3.0",
+        "flask-cors>=4.0.0",
+    ],
+    entry_points={
+        "console_scripts": [
+            "xian_favor=xian_favor.cli:main",
+        ],
+    },
+    python_requires=">=3.8",
+)
\ No newline at end of file
diff --git a/xian_favor.egg-info/PKG-INFO b/xian_favor.egg-info/PKG-INFO
new file mode 100644
index 0000000..4685d19
--- /dev/null
+++ b/xian_favor.egg-info/PKG-INFO
@@ -0,0 +1,11 @@
+Metadata-Version: 2.1
+Name: xian-favor
+Version: 1.0.0
+Summary: Xian Favor - 收藏关注系统
+Home-page: UNKNOWN
+License: UNKNOWN
+Platform: UNKNOWN
+Requires-Python: >=3.8
+
+UNKNOWN
+
diff --git a/xian_favor.egg-info/SOURCES.txt b/xian_favor.egg-info/SOURCES.txt
new file mode 100644
index 0000000..5bae9c4
--- /dev/null
+++ b/xian_favor.egg-info/SOURCES.txt
@@ -0,0 +1,15 @@
+README.md
+pyproject.toml
+setup.py
+xian_favor/__init__.py
+xian_favor/__main__.py
+xian_favor/api.py
+xian_favor/cli.py
+xian_favor/config.py
+xian_favor/db.py
+xian_favor.egg-info/PKG-INFO
+xian_favor.egg-info/SOURCES.txt
+xian_favor.egg-info/dependency_links.txt
+xian_favor.egg-info/entry_points.txt
+xian_favor.egg-info/requires.txt
+xian_favor.egg-info/top_level.txt
\ No newline at end of file
diff --git a/xian_favor.egg-info/dependency_links.txt b/xian_favor.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/xian_favor.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/xian_favor.egg-info/entry_points.txt b/xian_favor.egg-info/entry_points.txt
new file mode 100644
index 0000000..893b94c
--- /dev/null
+++ b/xian_favor.egg-info/entry_points.txt
@@ -0,0 +1,3 @@
+[console_scripts]
+xian_favor = xian_favor.cli:main
+
diff --git a/xian_favor.egg-info/requires.txt b/xian_favor.egg-info/requires.txt
new file mode 100644
index 0000000..977cb43
--- /dev/null
+++ b/xian_favor.egg-info/requires.txt
@@ -0,0 +1,2 @@
+flask-cors>=4.0.0
+flask>=2.3.0
diff --git a/xian_favor.egg-info/top_level.txt b/xian_favor.egg-info/top_level.txt
new file mode 100644
index 0000000..4ef6413
--- /dev/null
+++ b/xian_favor.egg-info/top_level.txt
@@ -0,0 +1 @@
+xian_favor
diff --git a/xian_favor/__init__.py b/xian_favor/__init__.py
new file mode 100644
index 0000000..a7650fa
--- /dev/null
+++ b/xian_favor/__init__.py
@@ -0,0 +1,6 @@
+"""
+Xian Favor - 收藏关注系统
+支持命令行、API、Web多种操作模式
+"""
+
+__version__ = "1.0.0"
\ No newline at end of file
diff --git a/xian_favor/__main__.py b/xian_favor/__main__.py
new file mode 100644
index 0000000..51a6bad
--- /dev/null
+++ b/xian_favor/__main__.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+"""命令行入口"""
+
+from xian_favor.cli import main
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/xian_favor/api.py b/xian_favor/api.py
new file mode 100644
index 0000000..2e0a3ac
--- /dev/null
+++ b/xian_favor/api.py
@@ -0,0 +1,567 @@
+"""API服务"""
+
+from flask import Flask, request, jsonify, render_template_string
+from flask_cors import CORS
+import os
+
+from .db import db
+from .config import API_HOST, API_PORT, ITEM_TYPES, TODO_STATUS, PRIORITY_LEVELS
+
+app = Flask(__name__, 
+            template_folder=os.path.join(os.path.dirname(__file__), '../web/templates'),
+            static_folder=os.path.join(os.path.dirname(__file__), '../web/static'))
+CORS(app)
+
+# ============ API 路由 ============
+
+@app.route('/api/items', methods=['GET'])
+def list_items():
+    """列出条目"""
+    items = db.list_items(
+        type=request.args.get('type'),
+        status=request.args.get('status'),
+        tag=request.args.get('tag'),
+        keyword=request.args.get('keyword'),
+        limit=int(request.args.get('limit', 50)),
+        offset=int(request.args.get('offset', 0))
+    )
+    return jsonify({'success': True, 'data': items})
+
+
+@app.route('/api/items', methods=['POST'])
+def create_item():
+    """创建条目"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'success': False, 'error': '无数据'}), 400
+    
+    item_type = data.get('type', 'text')
+    if item_type not in ITEM_TYPES:
+        return jsonify({'success': False, 'error': f'无效类型: {item_type}'}), 400
+    
+    try:
+        item_id = db.create_item(
+            type=item_type,
+            title=data.get('title'),
+            content=data.get('content'),
+            url=data.get('url'),
+            source=data.get('source'),
+            status=data.get('status', 'pending'),
+            priority=data.get('priority', 'medium'),
+            due_date=data.get('due_date'),
+            note=data.get('note'),
+            tags=data.get('tags', [])
+        )
+        item = db.get_item(item_id)
+        return jsonify({'success': True, 'data': item}), 201
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/items/<int:item_id>', methods=['GET'])
+def get_item(item_id):
+    """获取条目"""
+    item = db.get_item(item_id)
+    if not item:
+        return jsonify({'success': False, 'error': '条目不存在'}), 404
+    return jsonify({'success': True, 'data': item})
+
+
+@app.route('/api/items/<int:item_id>', methods=['PUT'])
+def update_item(item_id):
+    """更新条目"""
+    data = request.get_json()
+    
+    if not data:
+        return jsonify({'success': False, 'error': '无数据'}), 400
+    
+    try:
+        if db.update_item(item_id, **data):
+            item = db.get_item(item_id)
+            return jsonify({'success': True, 'data': item})
+        else:
+            return jsonify({'success': False, 'error': '条目不存在或无变化'}), 404
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/items/<int:item_id>', methods=['DELETE'])
+def delete_item(item_id):
+    """删除条目"""
+    if db.delete_item(item_id):
+        return jsonify({'success': True})
+    return jsonify({'success': False, 'error': '条目不存在'}), 404
+
+
+@app.route('/api/items/<int:item_id>/done', methods=['POST'])
+def complete_item(item_id):
+    """完成待办"""
+    item = db.get_item(item_id)
+    if not item:
+        return jsonify({'success': False, 'error': '条目不存在'}), 404
+    
+    if item['type'] != 'todo':
+        return jsonify({'success': False, 'error': '不是待办事项'}), 400
+    
+    db.update_item(item_id, status='completed')
+    item = db.get_item(item_id)
+    return jsonify({'success': True, 'data': item})
+
+
+@app.route('/api/tags', methods=['GET'])
+def list_tags():
+    """列出标签"""
+    tags = db.list_tags()
+    return jsonify({'success': True, 'data': tags})
+
+
+@app.route('/api/tags', methods=['POST'])
+def create_tag():
+    """创建标签"""
+    data = request.get_json()
+    name = data.get('name', '').strip()
+    
+    if not name:
+        return jsonify({'success': False, 'error': '标签名不能为空'}), 400
+    
+    try:
+        tag_id = db.create_tag(name, data.get('color', '#3498db'))
+        return jsonify({'success': True, 'data': {'id': tag_id, 'name': name}}), 201
+    except Exception as e:
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@app.route('/api/tags/<int:tag_id>', methods=['DELETE'])
+def delete_tag(tag_id):
+    """删除标签"""
+    if db.delete_tag(tag_id=tag_id):
+        return jsonify({'success': True})
+    return jsonify({'success': False, 'error': '标签不存在'}), 404
+
+
+@app.route('/api/stats', methods=['GET'])
+def get_stats():
+    """获取统计"""
+    stats = db.stats()
+    return jsonify({'success': True, 'data': stats})
+
+
+@app.route('/api/search', methods=['GET'])
+def search_items():
+    """搜索条目"""
+    keyword = request.args.get('q', '')
+    if not keyword:
+        return jsonify({'success': False, 'error': '请提供搜索关键词'}), 400
+    
+    items = db.list_items(
+        keyword=keyword,
+        type=request.args.get('type'),
+        limit=int(request.args.get('limit', 50))
+    )
+    return jsonify({'success': True, 'data': items})
+
+
+# ============ Web 页面 ============
+
+@app.route('/')
+def index():
+    """主页"""
+    return render_template_string(INDEX_TEMPLATE)
+
+
+# ============ Web 模板 ============
+
+INDEX_TEMPLATE = '''
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Xian Favor - 收藏系统</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
+    <style>
+        body { background: #f8f9fa; }
+        .sidebar { height: 100vh; background: #343a40; color: #fff; }
+        .sidebar a { color: #adb5bd; text-decoration: none; padding: 10px 20px; display: block; }
+        .sidebar a:hover, .sidebar a.active { background: #495057; color: #fff; }
+        .content { padding: 20px; }
+        .card { margin-bottom: 15px; transition: transform 0.2s; }
+        .card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
+        .tag { margin-right: 5px; }
+        .type-text { border-left: 4px solid #17a2b8; }
+        .type-link { border-left: 4px solid #28a745; }
+        .type-column { border-left: 4px solid #6f42c1; }
+        .type-todo { border-left: 4px solid #ffc107; }
+        .status-pending { color: #ffc107; }
+        .status-in_progress { color: #17a2b8; }
+        .status-completed { color: #28a745; text-decoration: line-through; }
+        .priority-low { color: #6c757d; }
+        .priority-medium { color: #ffc107; }
+        .priority-high { color: #fd7e14; }
+        .priority-urgent { color: #dc3545; }
+    </style>
+</head>
+<body>
+<div class="container-fluid">
+    <div class="row">
+        <!-- 侧边栏 -->
+        <div class="col-md-2 sidebar p-0">
+            <div class="p-3 border-bottom border-secondary">
+                <h5><i class="bi bi-bookmark-star"></i> Xian Favor</h5>
+            </div>
+            <nav>
+                <a href="#" class="active" data-filter="all"><i class="bi bi-inbox"></i> 全部</a>
+                <a href="#" data-filter="text"><i class="bi bi-file-text"></i> 文本</a>
+                <a href="#" data-filter="link"><i class="bi bi-link-45deg"></i> 链接</a>
+                <a href="#" data-filter="column"><i class="bi bi-newspaper"></i> 专栏</a>
+                <a href="#" data-filter="todo"><i class="bi bi-check2-square"></i> 待办</a>
+                <hr class="border-secondary">
+                <a href="#" data-filter="pending"><i class="bi bi-clock"></i> 待处理</a>
+                <a href="#" data-filter="in_progress"><i class="bi bi-arrow-repeat"></i> 进行中</a>
+                <a href="#" data-filter="completed"><i class="bi bi-check-circle"></i> 已完成</a>
+            </nav>
+        </div>
+        
+        <!-- 主内容 -->
+        <div class="col-md-10 content">
+            <!-- 顶部操作栏 -->
+            <div class="d-flex justify-content-between align-items-center mb-4">
+                <div class="d-flex gap-2">
+                    <input type="text" id="searchInput" class="form-control" placeholder="搜索..." style="width: 300px;">
+                    <select id="typeFilter" class="form-select" style="width: 120px;">
+                        <option value="">全部类型</option>
+                        <option value="text">文本</option>
+                        <option value="link">链接</option>
+                        <option value="column">专栏</option>
+                        <option value="todo">待办</option>
+                    </select>
+                </div>
+                <button class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#addModal">
+                    <i class="bi bi-plus-lg"></i> 添加
+                </button>
+            </div>
+            
+            <!-- 统计卡片 -->
+            <div class="row mb-4" id="statsCards">
+                <div class="col-md-3">
+                    <div class="card bg-primary text-white">
+                        <div class="card-body">
+                            <h6>总条目</h6>
+                            <h3 id="statTotal">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-warning text-dark">
+                        <div class="card-body">
+                            <h6>待处理</h6>
+                            <h3 id="statPending">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-info text-white">
+                        <div class="card-body">
+                            <h6>进行中</h6>
+                            <h3 id="statProgress">0</h3>
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-3">
+                    <div class="card bg-success text-white">
+                        <div class="card-body">
+                            <h6>已完成</h6>
+                            <h3 id="statCompleted">0</h3>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            
+            <!-- 列表 -->
+            <div id="itemList"></div>
+        </div>
+    </div>
+</div>
+
+<!-- 添加模态框 -->
+<div class="modal fade" id="addModal" tabindex="-1">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">添加条目</h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+            </div>
+            <div class="modal-body">
+                <form id="addForm">
+                    <div class="mb-3">
+                        <label class="form-label">类型</label>
+                        <select id="addType" class="form-select">
+                            <option value="text">📝 文本</option>
+                            <option value="link">🔗 链接</option>
+                            <option value="column">📰 专栏</option>
+                            <option value="todo">✅ 待办</option>
+                        </select>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">标题</label>
+                        <input type="text" id="addTitle" class="form-control" placeholder="可选">
+                    </div>
+                    <div class="mb-3" id="contentGroup">
+                        <label class="form-label">内容</label>
+                        <textarea id="addContent" class="form-control" rows="3"></textarea>
+                    </div>
+                    <div class="mb-3" id="urlGroup" style="display:none;">
+                        <label class="form-label">URL</label>
+                        <input type="url" id="addUrl" class="form-control">
+                    </div>
+                    <div class="mb-3" id="sourceGroup" style="display:none;">
+                        <label class="form-label">来源</label>
+                        <input type="text" id="addSource" class="form-control">
+                    </div>
+                    <div class="mb-3" id="todoFields" style="display:none;">
+                        <div class="row">
+                            <div class="col">
+                                <label class="form-label">状态</label>
+                                <select id="addStatus" class="form-select">
+                                    <option value="pending">⏳ 待处理</option>
+                                    <option value="in_progress">🔄 进行中</option>
+                                    <option value="completed">✅ 已完成</option>
+                                </select>
+                            </div>
+                            <div class="col">
+                                <label class="form-label">优先级</label>
+                                <select id="addPriority" class="form-select">
+                                    <option value="low">🟢 低</option>
+                                    <option value="medium" selected>🟡 中</option>
+                                    <option value="high">🟠 高</option>
+                                    <option value="urgent">🔴 紧急</option>
+                                </select>
+                            </div>
+                        </div>
+                        <div class="mt-3">
+                            <label class="form-label">截止日期</label>
+                            <input type="date" id="addDueDate" class="form-control">
+                        </div>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">标签 (逗号分隔)</label>
+                        <input type="text" id="addTags" class="form-control" placeholder="标签1, 标签2">
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label">备注</label>
+                        <input type="text" id="addNote" class="form-control">
+                    </div>
+                </form>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
+                <button type="button" class="btn btn-primary" onclick="addItem()">添加</button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+<script>
+const API_BASE = '/api';
+let currentFilter = { type: '', status: '' };
+
+// 初始化
+document.addEventListener('DOMContentLoaded', () => {
+    loadItems();
+    loadStats();
+    
+    // 类型切换时显示/隐藏字段
+    document.getElementById('addType').addEventListener('change', (e) => {
+        const type = e.target.value;
+        document.getElementById('contentGroup').style.display = type === 'text' ? 'block' : 'none';
+        document.getElementById('urlGroup').style.display = ['link', 'column'].includes(type) ? 'block' : 'none';
+        document.getElementById('sourceGroup').style.display = type === 'column' ? 'block' : 'none';
+        document.getElementById('todoFields').style.display = type === 'todo' ? 'block' : 'none';
+    });
+    
+    // 搜索
+    document.getElementById('searchInput').addEventListener('input', debounce(loadItems, 300));
+    
+    // 类型过滤
+    document.getElementById('typeFilter').addEventListener('change', (e) => {
+        currentFilter.type = e.target.value;
+        loadItems();
+    });
+    
+    // 侧边栏过滤
+    document.querySelectorAll('.sidebar a').forEach(a => {
+        a.addEventListener('click', (e) => {
+            e.preventDefault();
+            document.querySelectorAll('.sidebar a').forEach(x => x.classList.remove('active'));
+            a.classList.add('active');
+            
+            const filter = a.dataset.filter;
+            if (['text', 'link', 'column', 'todo'].includes(filter)) {
+                currentFilter = { type: filter, status: '' };
+            } else if (['pending', 'in_progress', 'completed'].includes(filter)) {
+                currentFilter = { type: 'todo', status: filter };
+            } else {
+                currentFilter = { type: '', status: '' };
+            }
+            loadItems();
+        });
+    });
+});
+
+// 加载列表
+async function loadItems() {
+    const keyword = document.getElementById('searchInput').value;
+    let url = `${API_BASE}/items?limit=100`;
+    if (currentFilter.type) url += `&type=${currentFilter.type}`;
+    if (currentFilter.status) url += `&status=${currentFilter.status}`;
+    if (keyword) url += `&keyword=${encodeURIComponent(keyword)}`;
+    
+    const res = await fetch(url);
+    const data = await res.json();
+    
+    if (data.success) {
+        renderItems(data.data);
+    }
+}
+
+// 渲染列表
+function renderItems(items) {
+    const container = document.getElementById('itemList');
+    if (!items.length) {
+        container.innerHTML = '<div class="text-center text-muted py-5">暂无数据</div>';
+        return;
+    }
+    
+    container.innerHTML = items.map(item => `
+        <div class="card type-${item.type}">
+            <div class="card-body">
+                <div class="d-flex justify-content-between align-items-start">
+                    <div>
+                        <h6 class="card-title">
+                            ${getTypeIcon(item.type)} ${item.title || truncate(item.content || item.url, 50)}
+                        </h6>
+                        <p class="card-text text-muted small mb-2">
+                            ${item.url ? `<a href="${item.url}" target="_blank">${item.url}</a><br>` : ''}
+                            ${item.content ? truncate(item.content, 100) : ''}
+                        </p>
+                        <div>
+                            ${item.tags.map(t => `<span class="badge bg-secondary tag">${t}</span>`).join('')}
+                            ${item.type === 'todo' ? `
+                                <span class="badge status-${item.status}">${getStatusLabel(item.status)}</span>
+                                <span class="badge priority-${item.priority}">${getPriorityLabel(item.priority)}</span>
+                                ${item.due_date ? `<span class="badge bg-light text-dark">📅 ${item.due_date}</span>` : ''}
+                            ` : ''}
+                        </div>
+                    </div>
+                    <div class="btn-group btn-group-sm">
+                        ${item.type === 'todo' && item.status !== 'completed' ? 
+                            `<button class="btn btn-outline-success" onclick="completeItem(${item.id})" title="完成"><i class="bi bi-check-lg"></i></button>` : ''}
+                        <button class="btn btn-outline-danger" onclick="deleteItem(${item.id})" title="删除"><i class="bi bi-trash"></i></button>
+                    </div>
+                </div>
+                <div class="text-muted small mt-2">${formatDate(item.created_at)}</div>
+            </div>
+        </div>
+    `).join('');
+}
+
+// 加载统计
+async function loadStats() {
+    const res = await fetch(`${API_BASE}/stats`);
+    const data = await res.json();
+    if (data.success) {
+        document.getElementById('statTotal').textContent = data.data.total;
+        document.getElementById('statPending').textContent = data.data.todo_status?.pending || 0;
+        document.getElementById('statProgress').textContent = data.data.todo_status?.in_progress || 0;
+        document.getElementById('statCompleted').textContent = data.data.todo_status?.completed || 0;
+    }
+}
+
+// 添加条目
+async function addItem() {
+    const type = document.getElementById('addType').value;
+    const data = {
+        type,
+        title: document.getElementById('addTitle').value,
+        content: type === 'text' ? document.getElementById('addContent').value : null,
+        url: ['link', 'column'].includes(type) ? document.getElementById('addUrl').value : null,
+        source: type === 'column' ? document.getElementById('addSource').value : null,
+        status: type === 'todo' ? document.getElementById('addStatus').value : null,
+        priority: type === 'todo' ? document.getElementById('addPriority').value : null,
+        due_date: type === 'todo' ? document.getElementById('addDueDate').value : null,
+        note: document.getElementById('addNote').value,
+        tags: document.getElementById('addTags').value.split(',').map(t => t.trim()).filter(t => t)
+    };
+    
+    const res = await fetch(`${API_BASE}/items`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    
+    if (res.ok) {
+        bootstrap.Modal.getInstance(document.getElementById('addModal')).hide();
+        document.getElementById('addForm').reset();
+        loadItems();
+        loadStats();
+    }
+}
+
+// 完成待办
+async function completeItem(id) {
+    await fetch(`${API_BASE}/items/${id}/done`, { method: 'POST' });
+    loadItems();
+    loadStats();
+}
+
+// 删除条目
+async function deleteItem(id) {
+    if (!confirm('确认删除?')) return;
+    await fetch(`${API_BASE}/items/${id}`, { method: 'DELETE' });
+    loadItems();
+    loadStats();
+}
+
+// 工具函数
+function getTypeIcon(type) {
+    const icons = { text: '📝', link: '🔗', column: '📰', todo: '✅' };
+    return icons[type] || '📄';
+}
+
+function getStatusLabel(status) {
+    const labels = { pending: '待处理', in_progress: '进行中', completed: '已完成' };
+    return labels[status] || status;
+}
+
+function getPriorityLabel(priority) {
+    const labels = { low: '低', medium: '中', high: '高', urgent: '紧急' };
+    return labels[priority] || priority;
+}
+
+function truncate(str, len) {
+    return str && str.length > len ? str.substring(0, len) + '...' : str || '';
+}
+
+function formatDate(dateStr) {
+    return new Date(dateStr).toLocaleString('zh-CN');
+}
+
+function debounce(fn, delay) {
+    let timer;
+    return function(...args) {
+        clearTimeout(timer);
+        timer = setTimeout(() => fn.apply(this, args), delay);
+    };
+}
+</script>
+</body>
+</html>
+'''
+
+
+def start_server(host: str = API_HOST, port: int = API_PORT):
+    """启动服务"""
+    app.run(host=host, port=port, debug=False)
\ No newline at end of file
diff --git a/xian_favor/cli.py b/xian_favor/cli.py
new file mode 100644
index 0000000..6eda465
--- /dev/null
+++ b/xian_favor/cli.py
@@ -0,0 +1,430 @@
+"""命令行工具"""
+
+import argparse
+import sys
+import json
+from datetime import datetime
+from typing import List
+
+from .db import db
+from .config import ITEM_TYPES, TODO_STATUS, PRIORITY_LEVELS
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Xian Favor - 收藏关注系统",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog="""
+示例:
+  xian_favor add text "这是我的笔记" -t "笔记,重要"
+  xian_favor add link "https://example.com" --title "示例网站" -t "技术"
+  xian_favor add todo "完成项目" -p high -d "2024-12-31" -t "工作"
+  xian_favor add column "https://column.example.com/feed" --title "技术专栏" -t "RSS"
+  xian_favor list
+  xian_favor list --type todo --status pending
+  xian_favor search "关键词"
+  xian_favor show 1
+  xian_favor edit 1 --status completed --note "已完成"
+  xian_favor done 1
+  xian_favor delete 1
+  xian_favor tags
+  xian_favor stats
+        """
+    )
+    
+    subparsers = parser.add_subparsers(dest="command", help="命令")
+    
+    # ============ add 命令 ============
+    add_parser = subparsers.add_parser("add", help="添加新条目")
+    add_parser.add_argument("type", choices=ITEM_TYPES, help="类型: text/link/column/todo")
+    add_parser.add_argument("content", help="内容或URL")
+    add_parser.add_argument("--title", "-T", help="标题")
+    add_parser.add_argument("--url", "-u", help="URL (link/column类型)")
+    add_parser.add_argument("--source", "-s", help="来源")
+    add_parser.add_argument("--status", choices=TODO_STATUS, default="pending", help="状态 (todo)")
+    add_parser.add_argument("--priority", "-p", choices=PRIORITY_LEVELS, default="medium", help="优先级")
+    add_parser.add_argument("--due-date", "-d", help="截止日期 (YYYY-MM-DD)")
+    add_parser.add_argument("--note", "-n", help="备注")
+    add_parser.add_argument("--tags", "-t", help="标签 (逗号分隔)")
+    
+    # ============ list 命令 ============
+    list_parser = subparsers.add_parser("list", help="列出条目")
+    list_parser.add_argument("--type", choices=ITEM_TYPES, help="类型过滤")
+    list_parser.add_argument("--status", choices=TODO_STATUS, help="状态过滤")
+    list_parser.add_argument("--tag", help="标签过滤")
+    list_parser.add_argument("--limit", "-l", type=int, default=20, help="数量限制")
+    list_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ show 命令 ============
+    show_parser = subparsers.add_parser("show", help="查看详情")
+    show_parser.add_argument("id", type=int, help="条目ID")
+    show_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ edit 命令 ============
+    edit_parser = subparsers.add_parser("edit", help="编辑条目")
+    edit_parser.add_argument("id", type=int, help="条目ID")
+    edit_parser.add_argument("--title", "-T", help="标题")
+    edit_parser.add_argument("--content", "-c", help="内容")
+    edit_parser.add_argument("--url", "-u", help="URL")
+    edit_parser.add_argument("--source", "-s", help="来源")
+    edit_parser.add_argument("--status", choices=TODO_STATUS, help="状态")
+    edit_parser.add_argument("--priority", "-p", choices=PRIORITY_LEVELS, help="优先级")
+    edit_parser.add_argument("--due-date", "-d", help="截止日期")
+    edit_parser.add_argument("--note", "-n", help="备注")
+    edit_parser.add_argument("--tags", "-t", help="标签 (逗号分隔, 覆盖)")
+    
+    # ============ done 命令 ============
+    done_parser = subparsers.add_parser("done", help="完成待办")
+    done_parser.add_argument("id", type=int, help="条目ID")
+    
+    # ============ delete 命令 ============
+    delete_parser = subparsers.add_parser("delete", help="删除条目")
+    delete_parser.add_argument("id", type=int, help="条目ID")
+    delete_parser.add_argument("-f", "--force", action="store_true", help="强制删除不确认")
+    
+    # ============ search 命令 ============
+    search_parser = subparsers.add_parser("search", help="搜索条目")
+    search_parser.add_argument("keyword", help="关键词")
+    search_parser.add_argument("--type", choices=ITEM_TYPES, help="类型过滤")
+    search_parser.add_argument("--limit", "-l", type=int, default=20, help="数量限制")
+    search_parser.add_argument("--json", "-j", action="store_true", help="JSON输出")
+    
+    # ============ tags 命令 ============
+    tags_parser = subparsers.add_parser("tags", help="标签管理")
+    tags_parser.add_argument("--delete", "-d", help="删除标签")
+    
+    # ============ stats 命令 ============
+    subparsers.add_parser("stats", help="统计信息")
+    
+    # ============ serve 命令 ============
+    serve_parser = subparsers.add_parser("serve", help="启动API服务")
+    serve_parser.add_argument("--host", default="0.0.0.0", help="主机")
+    serve_parser.add_argument("--port", type=int, default=19014, help="端口")
+    
+    # 解析参数
+    args = parser.parse_args()
+    
+    if not args.command:
+        parser.print_help()
+        return
+    
+    # 执行命令
+    try:
+        if args.command == "add":
+            cmd_add(args)
+        elif args.command == "list":
+            cmd_list(args)
+        elif args.command == "show":
+            cmd_show(args)
+        elif args.command == "edit":
+            cmd_edit(args)
+        elif args.command == "done":
+            cmd_done(args)
+        elif args.command == "delete":
+            cmd_delete(args)
+        elif args.command == "search":
+            cmd_search(args)
+        elif args.command == "tags":
+            cmd_tags(args)
+        elif args.command == "stats":
+            cmd_stats(args)
+        elif args.command == "serve":
+            cmd_serve(args)
+    except Exception as e:
+        print(f"❌ 错误: {e}", file=sys.stderr)
+        sys.exit(1)
+
+
+# ============ 命令实现 ============
+
+def parse_tags(tags_str: str) -> List[str]:
+    """解析标签字符串"""
+    if not tags_str:
+        return []
+    return [t.strip() for t in tags_str.split(",") if t.strip()]
+
+
+def format_item(item: dict, brief: bool = True) -> str:
+    """格式化条目显示"""
+    type_icons = {
+        "text": "📝",
+        "link": "🔗",
+        "column": "📰",
+        "todo": "✅"
+    }
+    status_icons = {
+        "pending": "⏳",
+        "in_progress": "🔄",
+        "completed": "✅"
+    }
+    priority_icons = {
+        "low": "🟢",
+        "medium": "🟡",
+        "high": "🟠",
+        "urgent": "🔴"
+    }
+    
+    icon = type_icons.get(item['type'], "📄")
+    status = status_icons.get(item.get('status', ''), '')
+    priority = priority_icons.get(item.get('priority', ''), '')
+    
+    title = item.get('title') or item.get('content', '')[:50]
+    tags_str = f" [{', '.join(item['tags'])}]" if item.get('tags') else ""
+    
+    if brief:
+        return f"  {icon} [{item['id']}] {title}{tags_str}"
+    else:
+        lines = [
+            f"{icon} [{item['id']}] {title}",
+            f"  类型: {item['type']}",
+        ]
+        if item.get('content'):
+            lines.append(f"  内容: {item['content'][:200]}")
+        if item.get('url'):
+            lines.append(f"  URL: {item['url']}")
+        if item.get('source'):
+            lines.append(f"  来源: {item['source']}")
+        if item['type'] == 'todo':
+            lines.append(f"  状态: {status} {item.get('status', 'pending')}")
+            lines.append(f"  优先级: {priority} {item.get('priority', 'medium')}")
+            if item.get('due_date'):
+                lines.append(f"  截止: {item['due_date']}")
+        if item.get('note'):
+            lines.append(f"  备注: {item['note']}")
+        if item.get('tags'):
+            lines.append(f"  标签: {', '.join(item['tags'])}")
+        lines.append(f"  创建: {item['created_at'][:19]}")
+        return "\n".join(lines)
+
+
+def cmd_add(args):
+    """添加条目"""
+    tags = parse_tags(args.tags)
+    
+    # 根据类型处理内容
+    content = args.content
+    url = args.url
+    
+    if args.type == "link":
+        url = url or args.content
+        content = None
+    elif args.type == "column":
+        url = url or args.content
+        content = None
+    
+    item_id = db.create_item(
+        type=args.type,
+        title=args.title,
+        content=content,
+        url=url,
+        source=args.source,
+        status=args.status,
+        priority=args.priority,
+        due_date=args.due_date,
+        note=args.note,
+        tags=tags
+    )
+    
+    item = db.get_item(item_id)
+    print(f"✅ 创建成功 (ID: {item_id})")
+    print(format_item(item, brief=False))
+
+
+def cmd_list(args):
+    """列出条目"""
+    items = db.list_items(
+        type=args.type,
+        status=args.status,
+        tag=args.tag,
+        limit=args.limit
+    )
+    
+    if args.json:
+        print(json.dumps(items, ensure_ascii=False, indent=2))
+        return
+    
+    if not items:
+        print("📭 没有找到条目")
+        return
+    
+    type_labels = {"text": "文本", "link": "链接", "column": "专栏", "todo": "待办"}
+    filter_desc = []
+    if args.type:
+        filter_desc.append(f"类型: {type_labels.get(args.type, args.type)}")
+    if args.status:
+        filter_desc.append(f"状态: {args.status}")
+    if args.tag:
+        filter_desc.append(f"标签: {args.tag}")
+    
+    if filter_desc:
+        print(f"📋 筛选: {' | '.join(filter_desc)}")
+    else:
+        print(f"📋 全部条目 ({len(items)} 条)")
+    print("-" * 50)
+    
+    for item in items:
+        print(format_item(item))
+
+
+def cmd_show(args):
+    """查看详情"""
+    item = db.get_item(args.id)
+    
+    if not item:
+        print(f"❌ 条目不存在: {args.id}")
+        return
+    
+    if args.json:
+        print(json.dumps(item, ensure_ascii=False, indent=2))
+        return
+    
+    print(format_item(item, brief=False))
+
+
+def cmd_edit(args):
+    """编辑条目"""
+    update_data = {}
+    
+    if args.title is not None:
+        update_data['title'] = args.title
+    if args.content is not None:
+        update_data['content'] = args.content
+    if args.url is not None:
+        update_data['url'] = args.url
+    if args.source is not None:
+        update_data['source'] = args.source
+    if args.status is not None:
+        update_data['status'] = args.status
+    if args.priority is not None:
+        update_data['priority'] = args.priority
+    if args.due_date is not None:
+        update_data['due_date'] = args.due_date
+    if args.note is not None:
+        update_data['note'] = args.note
+    if args.tags is not None:
+        update_data['tags'] = parse_tags(args.tags)
+    
+    if not update_data:
+        print("❌ 没有指定要更新的字段")
+        return
+    
+    if db.update_item(args.id, **update_data):
+        item = db.get_item(args.id)
+        print(f"✅ 更新成功 (ID: {args.id})")
+        print(format_item(item, brief=False))
+    else:
+        print(f"❌ 更新失败: 条目不存在或没有变化")
+
+
+def cmd_done(args):
+    """完成待办"""
+    item = db.get_item(args.id)
+    if not item:
+        print(f"❌ 条目不存在: {args.id}")
+        return
+    
+    if item['type'] != 'todo':
+        print(f"❌ 不是待办事项: {args.id}")
+        return
+    
+    if db.update_item(args.id, status='completed'):
+        print(f"✅ 已完成待办 (ID: {args.id})")
+    else:
+        print(f"❌ 操作失败")
+
+
+def cmd_delete(args):
+    """删除条目"""
+    if not args.force:
+        item = db.get_item(args.id)
+        if not item:
+            print(f"❌ 条目不存在: {args.id}")
+            return
+        
+        print(format_item(item, brief=False))
+        confirm = input("确认删除? [y/N] ")
+        if confirm.lower() != 'y':
+            print("❌ 取消删除")
+            return
+    
+    if db.delete_item(args.id):
+        print(f"✅ 已删除 (ID: {args.id})")
+    else:
+        print(f"❌ 删除失败")
+
+
+def cmd_search(args):
+    """搜索条目"""
+    items = db.list_items(
+        type=args.type,
+        keyword=args.keyword,
+        limit=args.limit
+    )
+    
+    if args.json:
+        print(json.dumps(items, ensure_ascii=False, indent=2))
+        return
+    
+    if not items:
+        print(f"🔍 没有找到匹配 '{args.keyword}' 的条目")
+        return
+    
+    print(f"🔍 搜索 '{args.keyword}' ({len(items)} 条)")
+    print("-" * 50)
+    
+    for item in items:
+        print(format_item(item))
+
+
+def cmd_tags(args):
+    """标签管理"""
+    if args.delete:
+        if db.delete_tag(name=args.delete):
+            print(f"✅ 已删除标签: {args.delete}")
+        else:
+            print(f"❌ 标签不存在: {args.delete}")
+        return
+    
+    tags = db.list_tags()
+    if not tags:
+        print("🏷️ 没有标签")
+        return
+    
+    print(f"🏷️ 标签列表 ({len(tags)} 个)")
+    print("-" * 50)
+    for tag in tags:
+        print(f"  • {tag['name']} ({tag['item_count']} 条)")
+
+
+def cmd_stats(args):
+    """统计信息"""
+    stats = db.stats()
+    
+    print("📊 收藏统计")
+    print("-" * 30)
+    print(f"总条目: {stats['total']}")
+    
+    if stats.get('by_type'):
+        print("\n按类型:")
+        type_labels = {"text": "文本", "link": "链接", "column": "专栏", "todo": "待办"}
+        for t, count in stats['by_type'].items():
+            print(f"  • {type_labels.get(t, t)}: {count}")
+    
+    if stats.get('todo_status'):
+        print("\n待办状态:")
+        status_labels = {"pending": "待处理", "in_progress": "进行中", "completed": "已完成"}
+        for s, count in stats['todo_status'].items():
+            print(f"  • {status_labels.get(s, s)}: {count}")
+    
+    print(f"\n标签数: {stats['tags']}")
+
+
+def cmd_serve(args):
+    """启动API服务"""
+    from .api import start_server
+    print(f"🚀 启动API服务: http://{args.host}:{args.port}")
+    start_server(host=args.host, port=args.port)
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/xian_favor/config.py b/xian_favor/config.py
new file mode 100644
index 0000000..07d2e6e
--- /dev/null
+++ b/xian_favor/config.py
@@ -0,0 +1,26 @@
+"""配置文件"""
+
+import os
+from pathlib import Path
+
+# 数据目录 - 使用用户可访问的路径
+# 默认在 ~/.xian_favor/ 目录下
+DEFAULT_DATA_DIR = Path.home() / ".xian_favor"
+DATA_DIR = Path(os.getenv("XIAN_FAVOR_DATA_DIR", str(DEFAULT_DATA_DIR)))
+DATA_DIR.mkdir(parents=True, exist_ok=True)
+
+# 数据库
+DATABASE_URL = os.getenv("XIAN_FAVOR_DB", str(DATA_DIR / "xian_favor.db"))
+
+# API服务
+API_HOST = os.getenv("XIAN_FAVOR_HOST", "0.0.0.0")
+API_PORT = int(os.getenv("XIAN_FAVOR_PORT", "19014"))
+
+# 内容类型
+ITEM_TYPES = ["text", "link", "column", "todo"]
+
+# 待办状态
+TODO_STATUS = ["pending", "in_progress", "completed"]
+
+# 优先级
+PRIORITY_LEVELS = ["low", "medium", "high", "urgent"]
\ No newline at end of file
diff --git a/xian_favor/db.py b/xian_favor/db.py
new file mode 100644
index 0000000..990e3ea
--- /dev/null
+++ b/xian_favor/db.py
@@ -0,0 +1,321 @@
+"""数据库操作"""
+
+import sqlite3
+import json
+from datetime import datetime
+from typing import Optional, List, Dict, Any
+from contextlib import contextmanager
+
+from .config import DATABASE_URL, TODO_STATUS, PRIORITY_LEVELS
+
+
+class Database:
+    """SQLite数据库管理"""
+    
+    def __init__(self, db_path: str = DATABASE_URL):
+        self.db_path = db_path
+        self._initialized = False
+    
+    def _ensure_init(self):
+        """确保数据库已初始化"""
+        if self._initialized:
+            return
+        self._init_db()
+        self._initialized = True
+    
+    @contextmanager
+    def get_conn(self):
+        """获取数据库连接"""
+        conn = sqlite3.connect(self.db_path, timeout=30.0)
+        conn.row_factory = sqlite3.Row
+        # 启用WAL模式，提高并发性能
+        conn.execute("PRAGMA journal_mode=WAL")
+        conn.execute("PRAGMA busy_timeout=30000")
+        try:
+            yield conn
+        finally:
+            conn.close()
+    
+    def _init_db(self):
+        """初始化数据库表"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            # 主内容表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS items (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    type TEXT NOT NULL DEFAULT 'text',
+                    title TEXT,
+                    content TEXT,
+                    url TEXT,
+                    source TEXT,
+                    status TEXT DEFAULT 'pending',
+                    priority TEXT DEFAULT 'medium',
+                    due_date TEXT,
+                    note TEXT,
+                    created_at TEXT NOT NULL,
+                    updated_at TEXT NOT NULL
+                )
+            """)
+            
+            # 标签表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS tags (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    name TEXT NOT NULL UNIQUE,
+                    color TEXT DEFAULT '#3498db',
+                    created_at TEXT NOT NULL
+                )
+            """)
+            
+            # 内容-标签关联表
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS item_tags (
+                    item_id INTEGER NOT NULL,
+                    tag_id INTEGER NOT NULL,
+                    PRIMARY KEY (item_id, tag_id),
+                    FOREIGN KEY (item_id) REFERENCES items(id) ON DELETE CASCADE,
+                    FOREIGN KEY (tag_id) REFERENCES tags(id) ON DELETE CASCADE
+                )
+            """)
+            
+            # 创建索引
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_type ON items(type)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_status ON items(status)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_created ON items(created_at)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_item ON item_tags(item_id)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_tag ON item_tags(tag_id)")
+            
+            conn.commit()
+    
+    # ============ Item 操作 ============
+    
+    def create_item(self, type: str = "text", title: str = None, content: str = None,
+                    url: str = None, source: str = None, status: str = "pending",
+                    priority: str = "medium", due_date: str = None, note: str = None,
+                    tags: List[str] = None) -> int:
+        """创建新条目"""
+        self._ensure_init()
+        now = datetime.now().isoformat()
+        
+        # 验证状态
+        if type == "todo" and status not in TODO_STATUS:
+            status = "pending"
+        if priority not in PRIORITY_LEVELS:
+            priority = "medium"
+        
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("""
+                INSERT INTO items (type, title, content, url, source, status, priority, due_date, note, created_at, updated_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            """, (type, title, content, url, source, status, priority, due_date, note, now, now))
+            item_id = cursor.lastrowid
+            
+            # 添加标签
+            if tags:
+                self._add_tags_to_item(conn, item_id, tags)
+            
+            conn.commit()
+            return item_id
+    
+    def get_item(self, item_id: int) -> Optional[Dict[str, Any]]:
+        """获取单个条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("SELECT * FROM items WHERE id = ?", (item_id,))
+            row = cursor.fetchone()
+            if not row:
+                return None
+            
+            item = dict(row)
+            item['tags'] = self._get_item_tags(conn, item_id)
+            return item
+    
+    def list_items(self, type: str = None, status: str = None, tag: str = None,
+                   keyword: str = None, limit: int = 50, offset: int = 0) -> List[Dict[str, Any]]:
+        """列出条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            query = "SELECT DISTINCT i.* FROM items i"
+            params = []
+            conditions = []
+            
+            # 标签过滤需要JOIN
+            if tag:
+                query += " JOIN item_tags it ON i.id = it.item_id JOIN tags t ON it.tag_id = t.id"
+                conditions.append("t.name = ?")
+                params.append(tag)
+            
+            if type:
+                conditions.append("i.type = ?")
+                params.append(type)
+            
+            if status:
+                conditions.append("i.status = ?")
+                params.append(status)
+            
+            if keyword:
+                conditions.append("(i.title LIKE ? OR i.content LIKE ? OR i.note LIKE ?)")
+                keyword_pattern = f"%{keyword}%"
+                params.extend([keyword_pattern, keyword_pattern, keyword_pattern])
+            
+            if conditions:
+                query += " WHERE " + " AND ".join(conditions)
+            
+            query += " ORDER BY i.created_at DESC LIMIT ? OFFSET ?"
+            params.extend([limit, offset])
+            
+            cursor.execute(query, params)
+            items = []
+            for row in cursor.fetchall():
+                item = dict(row)
+                item['tags'] = self._get_item_tags(conn, item['id'])
+                items.append(item)
+            
+            return items
+    
+    def update_item(self, item_id: int, **kwargs) -> bool:
+        """更新条目"""
+        allowed_fields = ['type', 'title', 'content', 'url', 'source', 'status', 'priority', 'due_date', 'note']
+        update_fields = {k: v for k, v in kwargs.items() if k in allowed_fields}
+        
+        if not update_fields and 'tags' not in kwargs:
+            return False
+        
+        now = datetime.now().isoformat()
+        
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            if update_fields:
+                set_clause = ", ".join(f"{k} = ?" for k in update_fields.keys())
+                set_clause += ", updated_at = ?"
+                values = list(update_fields.values()) + [now, item_id]
+                cursor.execute(f"UPDATE items SET {set_clause} WHERE id = ?", values)
+            
+            if 'tags' in kwargs:
+                # 先删除旧标签关联
+                cursor.execute("DELETE FROM item_tags WHERE item_id = ?", (item_id,))
+                # 添加新标签
+                if kwargs['tags']:
+                    self._add_tags_to_item(conn, item_id, kwargs['tags'])
+            
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    def delete_item(self, item_id: int) -> bool:
+        """删除条目"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("DELETE FROM items WHERE id = ?", (item_id,))
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    # ============ Tag 操作 ============
+    
+    def create_tag(self, name: str, color: str = "#3498db") -> int:
+        """创建标签"""
+        now = datetime.now().isoformat()
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            try:
+                cursor.execute("INSERT INTO tags (name, color, created_at) VALUES (?, ?, ?)",
+                             (name, color, now))
+                conn.commit()
+                return cursor.lastrowid
+            except sqlite3.IntegrityError:
+                # 标签已存在
+                cursor.execute("SELECT id FROM tags WHERE name = ?", (name,))
+                return cursor.fetchone()['id']
+    
+    def list_tags(self) -> List[Dict[str, Any]]:
+        """列出所有标签"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute("""
+                SELECT t.*, COUNT(it.item_id) as item_count
+                FROM tags t
+                LEFT JOIN item_tags it ON t.id = it.tag_id
+                GROUP BY t.id
+                ORDER BY t.name
+            """)
+            return [dict(row) for row in cursor.fetchall()]
+    
+    def delete_tag(self, tag_id: int = None, name: str = None) -> bool:
+        """删除标签"""
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            if name:
+                cursor.execute("DELETE FROM tags WHERE name = ?", (name,))
+            elif tag_id:
+                cursor.execute("DELETE FROM tags WHERE id = ?", (tag_id,))
+            conn.commit()
+            return cursor.rowcount > 0
+    
+    # ============ 辅助方法 ============
+    
+    def _add_tags_to_item(self, conn, item_id: int, tags: List[str]):
+        """为条目添加标签"""
+        cursor = conn.cursor()
+        for tag_name in tags:
+            tag_name = tag_name.strip()
+            if not tag_name:
+                continue
+            # 确保标签存在 - 使用同一个连接
+            cursor.execute("SELECT id FROM tags WHERE name = ?", (tag_name,))
+            row = cursor.fetchone()
+            if row:
+                tag_id = row['id']
+            else:
+                # 创建新标签
+                now = datetime.now().isoformat()
+                cursor.execute("INSERT INTO tags (name, color, created_at) VALUES (?, '#3498db', ?)",
+                             (tag_name, now))
+                tag_id = cursor.lastrowid
+            # 创建关联
+            cursor.execute("INSERT OR IGNORE INTO item_tags (item_id, tag_id) VALUES (?, ?)",
+                         (item_id, tag_id))
+    
+    def _get_item_tags(self, conn, item_id: int) -> List[str]:
+        """获取条目的标签"""
+        cursor = conn.cursor()
+        cursor.execute("""
+            SELECT t.name FROM tags t
+            JOIN item_tags it ON t.id = it.tag_id
+            WHERE it.item_id = ?
+            ORDER BY t.name
+        """, (item_id,))
+        return [row['name'] for row in cursor.fetchall()]
+    
+    def stats(self) -> Dict[str, Any]:
+        """获取统计信息"""
+        self._ensure_init()
+        with self.get_conn() as conn:
+            cursor = conn.cursor()
+            
+            stats = {}
+            
+            # 总数
+            cursor.execute("SELECT COUNT(*) as count FROM items")
+            stats['total'] = cursor.fetchone()['count']
+            
+            # 按类型统计
+            cursor.execute("SELECT type, COUNT(*) as count FROM items GROUP BY type")
+            stats['by_type'] = {row['type']: row['count'] for row in cursor.fetchall()}
+            
+            # 待办状态统计
+            cursor.execute("SELECT status, COUNT(*) as count FROM items WHERE type = 'todo' GROUP BY status")
+            stats['todo_status'] = {row['status']: row['count'] for row in cursor.fetchall()}
+            
+            # 标签数
+            cursor.execute("SELECT COUNT(*) as count FROM tags")
+            stats['tags'] = cursor.fetchone()['count']
+            
+            return stats
+
+
+# 全局数据库实例
+db = Database()
\ No newline at end of file