diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a14702c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store
diff --git a/api.md b/api.md
new file mode 100644
index 0000000..6b9add5
--- /dev/null
+++ b/api.md
@@ -0,0 +1,193 @@
+# API 接口文檔
+
+## 訂單管理系統 API 接口文檔
+
+### 1. 添加訂單
+
+#### 接口信息
+- **接口路徑**: `POST /api/orders`
+- **功能描述**: 添加新的訂單記錄
+- **請求格式**: JSON
+- **響應格式**: JSON
+
+#### 請求參數
+| 參數名 | 類型 | 必填 | 說明 |
+|--------|------|------|------|
+| customer_name | String | 是 | 客戶姓名 |
+| product_name | String | 是 | 商品名稱 |
+| quantity | Number | 是 | 商品數量，必須大於0 |
+| price | Number | 是 | 商品單價，必須大於0 |
+| status | String | 否 | 訂單狀態，默認為"pending" |
+
+#### 響應參數
+| 參數名 | 類型 | 說明 |
+|--------|------|------|
+| success | Boolean | 請求是否成功 |
+| message | String | 響應消息 |
+| data | Object | 返回的數據對象 |
+| data.id | Number | 新增訂單的ID |
+| data.customer_name | String | 客戶姓名 |
+| data.product_name | String | 商品名稱 |
+| data.quantity | Number | 商品數量 |
+| data.price | Number | 商品單價 |
+| data.status | String | 訂單狀態 |
+| data.created_at | String | 創建時間 |
+
+#### 成功響應示例
+```json
+{
+  "success": true,
+  "message": "訂單創建成功",
+  "data": {
+    "id": 6,
+    "customer_name": "陳八",
+    "product_name": "HomePod Mini",
+    "quantity": 1,
+    "price": 99.99,
+    "status": "pending",
+    "created_at": "2023-12-01 10:30:00"
+  }
+}
+```
+
+#### 失敗響應示例
+```json
+{
+  "success": false,
+  "message": "缺少必需字段或字段值無效"
+}
+```
+
+#### Curl 請求示例
+```bash
+curl -X POST http://localhost:3000/api/orders \
+  -H "Content-Type: application/json" \
+  -H "Accept: application/json" \
+  -d '{
+    "customer_name": "陳八",
+    "product_name": "HomePod Mini",
+    "quantity": 1,
+    "price": 99.99,
+    "status": "pending"
+  }'
+```
+
+### 2. 查詢訂單列表
+
+#### 接口信息
+- **接口路徑**: `GET /api/orders`
+- **功能描述**: 查詢訂單列表，支持條件篩選和分頁
+- **請求格式**: Query String
+- **響應格式**: JSON
+
+#### 查詢參數
+| 參數名 | 類型 | 必填 | 默認值 | 說明 |
+|--------|------|------|--------|------|
+| page | Number | 否 | 1 | 頁碼 |
+| pageSize | Number | 否 | 10 | 每頁顯示數量 |
+| customerName | String | 否 | - | 客戶姓名模糊匹配 |
+| productName | String | 否 | - | 商品名稱模糊匹配 |
+| status | String | 否 | - | 訂單狀態精確匹配 |
+
+#### 響應參數
+| 參數名 | 類型 | 說明 |
+|--------|------|------|
+| success | Boolean | 請求是否成功 |
+| data | Object | 返回的數據對象 |
+| data.orders | Array | 訂單列表 |
+| data.pagination | Object | 分頁信息 |
+| data.pagination.page | Number | 當前頁碼 |
+| data.pagination.pageSize | Number | 每頁顯示數量 |
+| data.pagination.total | Number | 總記錄數 |
+| data.pagination.totalPages | Number | 總頁數 |
+
+#### 成功響應示例
+```json
+{
+  "success": true,
+  "data": {
+    "orders": [
+      {
+        "id": 1,
+        "customer_name": "張三",
+        "product_name": "iPhone 15",
+        "quantity": 1,
+        "price": 999.99,
+        "status": "completed",
+        "created_at": "2023-12-01 10:30:00"
+      },
+      {
+        "id": 2,
+        "customer_name": "李四",
+        "product_name": "MacBook Pro",
+        "quantity": 1,
+        "price": 1999.99,
+        "status": "pending",
+        "created_at": "2023-12-01 10:25:00"
+      }
+    ],
+    "pagination": {
+      "page": 1,
+      "pageSize": 10,
+      "total": 2,
+      "totalPages": 1
+    }
+  }
+}
+```
+
+#### Curl 請求示例
+
+##### 查詢所有訂單（默認分頁）
+```bash
+curl "http://localhost:3000/api/orders"
+```
+
+##### 分頁查詢
+```bash
+curl "http://localhost:3000/api/orders?page=1&pageSize=5"
+```
+
+##### 按客戶姓名查詢
+```bash
+curl "http://localhost:3000/api/orders?customerName=張"
+```
+
+##### 按商品名稱查詢
+```bash
+curl "http://localhost:3000/api/orders?productName=iPhone"
+```
+
+##### 按狀態查詢
+```bash
+curl "http://localhost:3000/api/orders?status=pending"
+```
+
+##### 組合條件查詢
+```bash
+curl "http://localhost:3000/api/orders?page=1&pageSize=10&customerName=張&status=completed"
+```
+
+### 3. 錯誤碼說明
+
+| 錯誤碼 | 狀態碼 | 說明 |
+|--------|--------|------|
+| 400 | 400 Bad Request | 請求參數錯誤 |
+| 404 | 404 Not Found | 路由不存在 |
+| 500 | 500 Internal Server Error | 服務器內部錯誤 |
+
+### 4. 公共響應格式
+
+所有接口響應都遵循以下格式：
+
+```json
+{
+  "success": true/false,
+  "message": "響應消息",
+  "data": {}
+}
+```
+
+- `success`: 請求是否成功的布爾值
+- `message`: 響應消息，成功時可選，失敗時必填
+- `data`: 返回的業務數據，根據接口不同而異
\ No newline at end of file
diff --git a/bun.lock b/bun.lock
new file mode 100644
index 0000000..3c58493
--- /dev/null
+++ b/bun.lock
@@ -0,0 +1,26 @@
+{
+  "lockfileVersion": 1,
+  "configVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "bun_lite",
+      "devDependencies": {
+        "@types/bun": "latest",
+      },
+      "peerDependencies": {
+        "typescript": "^5",
+      },
+    },
+  },
+  "packages": {
+    "@types/bun": ["@types/bun@1.3.8", "", { "dependencies": { "bun-types": "1.3.8" } }, "sha512-3LvWJ2q5GerAXYxO2mffLTqOzEu5qnhEAlh48Vnu8WQfnmSwbgagjGZV6BoHKJztENYEDn6QmVd949W4uESRJA=="],
+
+    "@types/node": ["@types/node@25.2.0", "", { "dependencies": { "undici-types": "~7.16.0" } }, "sha512-DZ8VwRFUNzuqJ5khrvwMXHmvPe+zGayJhr2CDNiKB1WBE1ST8Djl00D0IC4vvNmHMdj6DlbYRIaFE7WHjlDl5w=="],
+
+    "bun-types": ["bun-types@1.3.8", "", { "dependencies": { "@types/node": "*" } }, "sha512-fL99nxdOWvV4LqjmC+8Q9kW3M4QTtTR1eePs94v5ctGqU8OeceWrSUaRw3JYb7tU3FkMIAjkueehrHPPPGKi5Q=="],
+
+    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
+
+    "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],
+  }
+}
diff --git a/index.ts b/index.ts
new file mode 100644
index 0000000..d356f03
--- /dev/null
+++ b/index.ts
@@ -0,0 +1,181 @@
+import { Database } from "bun:sqlite";
+
+// 初始化 SQLite 數據庫
+const db = new Database("orders.db");
+
+// 創建 orders 表
+db.run(`
+  CREATE TABLE IF NOT EXISTS orders (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    customer_name TEXT NOT NULL,
+    product_name TEXT NOT NULL,
+    quantity INTEGER NOT NULL,
+    price REAL NOT NULL,
+    status TEXT DEFAULT 'pending',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  )
+`);
+
+// 定義類型
+interface Order {
+  id?: number;
+  customer_name: string;
+  product_name: string;
+  quantity: number;
+  price: number;
+  status?: string;
+  created_at?: string;
+}
+
+// 準備 SQL 語句
+const insertOrderStmt = db.prepare(`
+  INSERT INTO orders (customer_name, product_name, quantity, price, status)
+  VALUES ($customerName, $productName, $quantity, $price, $status)
+`);
+
+const getOrdersStmt = db.prepare(`
+  SELECT * FROM orders
+  WHERE ($customerName IS NULL OR customer_name LIKE $customerName)
+    AND ($productName IS NULL OR product_name LIKE $productName)
+    AND ($status IS NULL OR status = $status)
+  ORDER BY created_at DESC
+  LIMIT $limit OFFSET $offset
+`);
+
+const getOrderCountStmt = db.prepare(`
+  SELECT COUNT(*) as count FROM orders
+  WHERE ($customerName IS NULL OR customer_name LIKE $customerName)
+    AND ($productName IS NULL OR product_name LIKE $productName)
+    AND ($status IS NULL OR status = $status)
+`);
+
+// 創建服務器
+const server = Bun.serve({
+  port: 3000,
+  async fetch(req) {
+    const url = new URL(req.url);
+    const path = url.pathname;
+    const method = req.method;
+
+    // CORS headers
+    const headers = {
+      "Content-Type": "application/json",
+      "Access-Control-Allow-Origin": "*",
+      "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
+      "Access-Control-Allow-Headers": "Content-Type",
+    };
+
+    // 處理預檢請求
+    if (method === "OPTIONS") {
+      return new Response(null, { status: 204, headers });
+    }
+
+    try {
+      if (path === "/api/orders" && method === "GET") {
+        // 解析查詢參數
+        const page = parseInt(url.searchParams.get("page") || "1");
+        const pageSize = parseInt(url.searchParams.get("pageSize") || "10");
+        const customerName = url.searchParams.get("customerName") || null;
+        const productName = url.searchParams.get("productName") || null;
+        const status = url.searchParams.get("status") || null;
+
+        // 計算偏移量
+        const offset = (page - 1) * pageSize;
+
+        // 準備查詢參數
+        const params: any = {
+          $customerName: customerName ? `%${customerName}%` : null,
+          $productName: productName ? `%${productName}%` : null,
+          $status: status,
+          $limit: pageSize,
+          $offset: offset
+        };
+
+        // 查詢訂單列表
+        const orders = getOrdersStmt.all(params) as Order[];
+
+        // 獲取總數
+        const countResult: any = getOrderCountStmt.get({
+          $customerName: customerName ? `%${customerName}%` : null,
+          $productName: productName ? `%${productName}%` : null,
+          $status: status
+        });
+
+        const total = countResult.count;
+
+        return Response.json({
+          success: true,
+          data: {
+            orders,
+            pagination: {
+              page,
+              pageSize,
+              total,
+              totalPages: Math.ceil(total / pageSize)
+            }
+          }
+        }, { headers });
+      } else if (path === "/api/orders" && method === "POST") {
+        // 添加新訂單
+        const body: any = await req.json();
+        
+        const order: Order = {
+          customer_name: body.customer_name,
+          product_name: body.product_name,
+          quantity: body.quantity,
+          price: body.price,
+          status: body.status || 'pending'
+        };
+
+        // 驗證必需字段
+        if (!order.customer_name || !order.product_name || order.quantity <= 0 || order.price <= 0) {
+          return Response.json({
+            success: false,
+            message: "缺少必需字段或字段值無效"
+          }, { 
+            status: 400,
+            headers 
+          });
+        }
+
+        // 插入數據
+        const result = insertOrderStmt.run({
+          $customerName: order.customer_name,
+          $productName: order.product_name,
+          $quantity: order.quantity,
+          $price: order.price,
+          $status: order.status || 'pending'
+        });
+
+        return Response.json({
+          success: true,
+          message: "訂單創建成功",
+          data: {
+            id: result.lastInsertRowid as number,
+            ...order
+          }
+        }, { headers });
+      } else {
+        return Response.json({
+          success: false,
+          message: "路由不存在"
+        }, { 
+          status: 404,
+          headers 
+        });
+      }
+    } catch (error: any) {
+      console.error("服務器錯誤:", error);
+      
+      return Response.json({
+        success: false,
+        message: error.message || "服務器內部錯誤"
+      }, { 
+        status: 500,
+        headers 
+      });
+    }
+  }
+});
+
+console.log(`Server running at http://localhost:${server.port}`);
\ No newline at end of file
diff --git a/install.sql b/install.sql
new file mode 100644
index 0000000..5645463
--- /dev/null
+++ b/install.sql
@@ -0,0 +1,26 @@
+-- SQLite 數據庫初始化腳本
+-- 創建 orders 表
+
+CREATE TABLE IF NOT EXISTS orders (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    customer_name TEXT NOT NULL,
+    product_name TEXT NOT NULL,
+    quantity INTEGER NOT NULL,
+    price REAL NOT NULL,
+    status TEXT DEFAULT 'pending',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 插入示例數據
+INSERT INTO orders (customer_name, product_name, quantity, price, status) VALUES
+('張三', 'iPhone 15', 1, 999.99, 'completed'),
+('李四', 'MacBook Pro', 1, 1999.99, 'pending'),
+('王五', 'iPad Air', 2, 599.99, 'shipped'),
+('趙六', 'Apple Watch', 1, 399.99, 'delivered'),
+('錢七', 'AirPods Pro', 1, 249.99, 'processing');
+
+-- 創建索引以提高查詢性能
+CREATE INDEX IF NOT EXISTS idx_customer_name ON orders(customer_name);
+CREATE INDEX IF NOT EXISTS idx_product_name ON orders(product_name);
+CREATE INDEX IF NOT EXISTS idx_status ON orders(status);
+CREATE INDEX IF NOT EXISTS idx_created_at ON orders(created_at);
\ No newline at end of file
diff --git a/orders.db b/orders.db
new file mode 100644
index 0000000..4faa860
Binary files /dev/null and b/orders.db differ
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..42bdc2c
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "bun_lite",
+  "module": "index.ts",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "dev": "bun run index.ts",
+    "start": "bun run index.ts"
+  },
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..bfa0fea
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}