diff --git a/app/scraper.py b/app/scraper.py
index 7c81839..81e698c 100644
--- a/app/scraper.py
+++ b/app/scraper.py
@@ -23,22 +23,22 @@ class RiskControlException(Exception):
 class XiaoHongShuScraper:
     """小红书采集器"""
 
-    def __init__(self, event_queue: asyncio.Queue, log_manager: LogManager):
+    def __init__(self, event_queue: asyncio.Queue, log_manager: LogManager, browser=None):
         self.event_queue = event_queue
         self.log_manager = log_manager
-        self.playwright = None
-        self.browser: Optional[Browser] = None
+        self.browser = browser  # 使用传入的浏览器实例
         self.is_running = False
         self._stop_requested = False
 
     async def init_browser(self):
-        """初始化浏览器"""
-        self.playwright = await async_playwright().start()
-        self.browser = await self.playwright.chromium.launch(
-            headless=config.HEADLESS,
-            args=config.BROWSER_ARGS
-        )
-        await self.emit_log("SUCCESS", "浏览器初始化完成")
+        """初始化浏览器（如果未传入浏览器实例）"""
+        if not self.browser:
+            self.playwright = await async_playwright().start()
+            self.browser = await self.playwright.chromium.launch(
+                headless=config.HEADLESS,
+                args=config.BROWSER_ARGS
+            )
+            await self.emit_log("SUCCESS", "浏览器初始化完成")
 
     async def close_browser(self):
         """关闭浏览器"""
diff --git a/app/web.py b/app/web.py
index febda3d..58af4bd 100644
--- a/app/web.py
+++ b/app/web.py
@@ -104,6 +104,19 @@ async def get_status():
     )
 
 
+@app.get("/api/debug/browser")
+async def debug_browser():
+    """调试浏览器状态"""
+    return {
+        "browser_exists": app_state.browser is not None,
+        "contexts_count": len(app_state.browser.contexts) if app_state.browser else 0,
+        "contexts": [str(type(ctx)) for ctx in app_state.browser.contexts] if app_state.browser else [],
+        "data_dir": config.DATA_DIR,
+        "auth_file_exists": os.path.exists(os.path.join(config.DATA_DIR, "auth_state.json")),
+        "storage_file_exists": os.path.exists(os.path.join(config.DATA_DIR, "storage_state.json"))
+    }
+
+
 @app.post("/api/start")
 async def start_scraping(request: StartRequest):
     """启动采集"""
@@ -152,8 +165,8 @@ async def start_scraping(request: StartRequest):
     # 创建事件队列
     app_state.event_queue = asyncio.Queue()
 
-    # 创建采集器
-    app_state.scraper = XiaoHongShuScraper(app_state.event_queue, log_manager)
+    # 创建采集器（传入已初始化的浏览器实例）
+    app_state.scraper = XiaoHongShuScraper(app_state.event_queue, log_manager, app_state.browser)
 
     # 启动采集任务
     async def run_scraper():
@@ -461,16 +474,34 @@ async def generate_qrcode():
 async def check_login_status():
     """检查小红书登录状态（直接验证）"""
     try:
+        print("[DEBUG] === 检查浏览器状态 ===")
+        print(f"[DEBUG] 浏览器实例存在: {app_state.browser is not None}")
+
         # 如果浏览器可用，直接使用浏览器验证
         if app_state.browser:
+            print("[DEBUG] 浏览器可用，尝试获取context...")
+            if app_state.browser.contexts:
+                print(f"[DEBUG] 已有 {len(app_state.browser.contexts)} 个contexts")
+                context = app_state.browser.contexts[0]
+                print("[DEBUG] 使用现有context")
+            else:
+                print("[DEBUG] 创建新context")
+                context = await app_state.browser.new_context()
+
             try:
-                page = await app_state.browser.new_page()
+                page = await context.new_page()
                 await page.goto("https://www.xiaohongshu.com/", timeout=10000)
                 await asyncio.sleep(2)
 
                 # 获取页面cookies
-                cookies = await page.context.cookies()
-                page.close()
+                cookies = await context.cookies()
+                print(f"[DEBUG] 找到 {len(cookies)} 个cookies")
+
+                # 打印所有cookies
+                for cookie in cookies:
+                    cookie_name = cookie.get('name', '')
+                    cookie_value = cookie.get('value', '')[:20] if cookie.get('value') else ''
+                    print(f"[DEBUG] Cookie: {cookie_name} = {cookie_value}...")
 
                 # 检查是否有小红书相关的session cookie
                 session_cookies = []
@@ -478,7 +509,7 @@ async def check_login_status():
                     cookie_name = cookie.get('name', '').lower()
                     if any(keyword in cookie_name for keyword in ['session', 'token', 'login', 'auth']):
                         session_cookies.append(cookie)
-                        print(f"[DEBUG] 找到session cookie: {cookie.get('name')} = {cookie.get('value', '')[:20]}...")
+                        print(f"[DEBUG] ✓ 找到登录cookie: {cookie_name}")
 
                 if session_cookies:
                     return {
@@ -488,35 +519,48 @@ async def check_login_status():
                         "cookies_count": len(session_cookies)
                     }
                 else:
-                    print("[DEBUG] 未找到session cookies")
+                    print("[DEBUG] ✗ 未找到登录相关的 cookies")
                     return {
                         "success": False,
                         "message": "未找到登录状态，请先登录"
                     }
 
             except Exception as e:
-                print(f"[DEBUG] 浏览器检查失败: {str(e)}")
+                print(f"[DEBUG] 浏览器页面操作失败: {str(e)}")
                 pass
+            finally:
+                # 确保页面关闭
+                if 'page' in locals():
+                    await page.close()
+        else:
+            print("[DEBUG] ✗ 浏览器实例不存在")
 
         # 检查本地是否有登录状态文件
+        print("[DEBUG] 检查本地登录状态文件...")
         auth_file = os.path.join(config.DATA_DIR, "auth_state.json")
         if os.path.exists(auth_file):
-            with open(auth_file, 'r', encoding='utf-8') as f:
-                auth_data = json.load(f)
-            return {
-                "success": True,
-                "message": "本地登录状态有效",
-                "logged_in": True,
-                "login_time": auth_data.get("login_time"),
-                "expire_time": auth_data.get("expire_time")
-            }
+            try:
+                with open(auth_file, 'r', encoding='utf-8') as f:
+                    auth_data = json.load(f)
+                print(f"[DEBUG] ✓ 找到本地auth_state: {auth_data}")
+                return {
+                    "success": True,
+                    "message": "本地登录状态有效",
+                    "logged_in": True,
+                    "login_time": auth_data.get("login_time"),
+                    "expire_time": auth_data.get("expire_time")
+                }
+            except Exception as e:
+                print(f"[DEBUG] ✗ 读取auth_state失败: {str(e)}")
 
+        print("[DEBUG] ✗ 未找到任何登录状态")
         return {
             "success": False,
             "message": "未找到登录状态，请先登录"
         }
 
     except Exception as e:
+        print(f"[DEBUG] ✗ 检查登录状态异常: {str(e)}")
         return {
             "success": False,
             "message": f"检查登录状态失败: {str(e)}"
diff --git a/login_debug_guide.md b/login_debug_guide.md
new file mode 100644
index 0000000..3a9f04e
--- /dev/null
+++ b/login_debug_guide.md
@@ -0,0 +1,209 @@
+# 小红书登录状态调试指南
+
+## 问题现象
+登录验证失败，提示"未找到登录状态，请先登录"
+
+## 调试步骤
+
+### 1. 检查服务是否正常启动
+```bash
+# 启动服务
+python main.py
+
+# 在另一个终端访问调试接口
+curl http://localhost:18085/api/debug/browser
+```
+
+**预期输出：**
+```json
+{
+  "browser_exists": true,
+  "contexts_count": 0,
+  "contexts": [],
+  "data_dir": "data",
+  "auth_file_exists": false,
+  "storage_file_exists": false
+}
+```
+
+### 2. 检查浏览器状态
+查看控制台输出，应该看到：
+```
+[INFO] 浏览器初始化完成
+[DEBUG] === 检查浏览器状态 ===
+[DEBUG] 浏览器实例存在: true
+```
+
+### 3. 打开登录页面
+1. 访问：http://localhost:18085
+2. 点击"打开登录页"按钮
+3. 在新窗口中扫码登录小红书
+4. 登录成功后不要关闭窗口
+
+### 4. 测试登录验证
+返回页面，点击"验证登录"按钮，查看控制台输出。
+
+**预期成功输出：**
+```
+[DEBUG] 开始验证登录状态...
+[DEBUG] 尝试保存 storage_state 到: data/storage_state.json
+[DEBUG] ✓ 成功保存 storage_state
+[DEBUG] storage_state 文件大小: 2456 bytes
+[DEBUG] 使用 storage_state 验证登录...
+[DEBUG] ✓ 登录验证成功
+```
+
+### 5. 手动验证API
+使用curl测试各个接口：
+```bash
+# 检查登录状态
+curl http://localhost:18085/api/check-login-status
+
+# 验证登录
+curl -X POST http://localhost:18085/api/login/verify
+
+# 查看调试信息
+curl http://localhost:18085/api/debug/browser
+```
+
+## 常见问题及解决方案
+
+### 问题1：浏览器初始化失败
+**现象：** `browser_exists: false`
+
+**原因：** Playwright浏览器未安装
+**解决：**
+```bash
+playwright install chromium
+```
+
+### 问题2：Context不存在
+**现象：** `contexts_count: 0`
+
+**原因：** 浏览器Context未创建
+**解决：** 重启服务，确保浏览器在应用启动时初始化
+
+### 问题3：保存storage_state失败
+**现象：** 保存storage_state时异常
+
+**原因：** 权限问题或目录不存在
+**解决：**
+```bash
+mkdir -p data
+chmod 755 data
+```
+
+### 问题4：验证失败但已登录
+**现象：** 已经扫码登录，但验证失败
+
+**原因：**
+1. 页面加载不完整
+2. 风控拦截
+3. Cookie变化
+
+**解决：**
+1. 等待页面完全加载后再验证
+2. 尝试重新登录
+3. 检查控制台详细错误信息
+
+## 详细调试流程
+
+### 1. 完整日志查看
+```bash
+# 启动服务时显示详细日志
+python main.py  # 查看所有输出
+
+# 或使用日志级别
+uvicorn app.web:app --log-level debug
+```
+
+### 2. 文件检查
+检查以下文件是否存在：
+- `data/storage_state.json` - 浏览器状态文件
+- `data/auth_state.json` - 认证状态文件
+- `data/logs.json` - 操作日志
+
+### 3. 手动测试storage_state
+```python
+# 手动测试storage_state保存
+from playwright.async_api import async_playwright
+
+async def test_storage():
+    async with async_playwright() as p:
+        browser = await p.chromium.launch()
+        context = await browser.new_context()
+        page = await context.new_page()
+
+        # 访问小红书
+        await page.goto("https://www.xiaohongshu.com")
+        await asyncio.sleep(2)
+
+        # 保存storage_state
+        await context.storage_state(path="test_storage.json")
+        await browser.close()
+
+# 运行测试
+asyncio.run(test_storage())
+```
+
+### 4. Cookie分析
+如果保存了storage_state文件，可以查看其中的cookies部分：
+```json
+{
+  "cookies": [
+    {
+      "name": "a1",
+      "value": "...",
+      "domain": ".xiaohongshu.com",
+      "path": "/",
+      "expires": -1,
+      "httpOnly": false,
+      "secure": true,
+      "sameSite": "Lax"
+    }
+  ]
+}
+```
+
+## 进阶调试
+
+### 1. 使用浏览器开发者工具
+1. 在登录页面打开开发者工具（F12）
+2. 切换到Application/Storage标签
+3. 查看Cookies和Local Storage
+4. 确认登录相关的cookie是否存在
+
+### 2. 网络请求分析
+1. 在开发者工具的Network标签中
+2. 查看对`xiaohongshu.com`的请求
+3. 确认请求头中是否包含正确的Cookie
+
+### 3. 手动验证登录状态
+```javascript
+// 在浏览器控制台运行
+// 检查是否有登录相关的cookie
+document.cookie.split(';').forEach(cookie => {
+  const [name, value] = cookie.trim().split('=');
+  if (name.includes('session') || name.includes('token') || name.includes('auth')) {
+    console.log(`${name}: ${value}`);
+  }
+});
+
+// 检查localStorage
+console.log('localStorage:', Object.keys(localStorage));
+
+// 检查是否被重定向到登录页
+if (window.location.pathname.includes('login')) {
+  console.log('被重定向到登录页');
+}
+```
+
+## 联系技术支持
+如果以上步骤都无法解决问题，请提供以下信息：
+1. 完整的控制台输出
+2. 三个文件的内容（如果存在）：
+   - `data/storage_state.json`
+   - `data/auth_state.json`
+   - `data/logs.json`
+3. 浏览器类型和版本
+4. 操作系统信息
\ No newline at end of file
diff --git a/test_login.py b/test_login.py
new file mode 100644
index 0000000..e8d793d
--- /dev/null
+++ b/test_login.py
@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+"""
+测试登录验证功能
+"""
+import asyncio
+import json
+import os
+import requests
+import websockets
+from datetime import datetime
+
+
+class LoginTester:
+    def __init__(self, base_url="http://localhost:18085"):
+        self.base_url = base_url
+
+    async def test_browser_status(self):
+        """测试浏览器状态"""
+        print("\n=== 测试浏览器状态 ===")
+        try:
+            response = requests.get(f"{self.base_url}/api/debug/browser")
+            data = response.json()
+            print(f"浏览器实例存在: {data['browser_exists']}")
+            print(f"Context数量: {data['contexts_count']}")
+            print(f"数据目录: {data['data_dir']}")
+            print(f"Auth文件存在: {data['auth_file_exists']}")
+            print(f"Storage文件存在: {data['storage_file_exists']}")
+            return data
+        except Exception as e:
+            print(f"✗ 测试失败: {e}")
+            return None
+
+    async def test_login_status(self):
+        """测试登录状态检查"""
+        print("\n=== 测试登录状态检查 ===")
+        try:
+            response = requests.get(f"{self.base_url}/api/check-login-status")
+            data = response.json()
+            print(f"响应: {json.dumps(data, indent=2, ensure_ascii=False)}")
+            return data
+        except Exception as e:
+            print(f"✗ 测试失败: {e}")
+            return None
+
+    async def test_login_verify(self):
+        """测试登录验证"""
+        print("\n=== 测试登录验证 ===")
+        try:
+            response = requests.post(f"{self.base_url}/api/login/verify")
+            data = response.json()
+            print(f"响应: {json.dumps(data, indent=2, ensure_ascii=False)}")
+            return data
+        except Exception as e:
+            print(f"✗ 测试失败: {e}")
+            return None
+
+    async def test_sse_connection(self):
+        """测试SSE连接"""
+        print("\n=== 测试SSE连接 ===")
+        try:
+            ws_url = f"{self.base_url.replace('http', 'ws')}/api/events"
+            async with websockets.connect(ws_url) as websocket:
+                # 等待几条消息
+                for i in range(3):
+                    message = await asyncio.wait_for(websocket.recv(), timeout=5.0)
+                    print(f"收到消息 {i+1}: {message}")
+                    if i >= 2:  # 只接收3条消息就关闭
+                        break
+        except Exception as e:
+            print(f"✗ 测试失败: {e}")
+
+    async def run_all_tests(self):
+        """运行所有测试"""
+        print(f"🚀 开始测试 - {datetime.now()}")
+        print("=" * 50)
+
+        # 等待服务启动
+        await asyncio.sleep(2)
+
+        # 测试1: 浏览器状态
+        browser_status = await self.test_browser_status()
+
+        # 测试2: 登录状态检查
+        login_status = await self.test_login_status()
+
+        # 测试3: 登录验证
+        login_verify = await self.test_login_verify()
+
+        # 测试4: SSE连接（如果服务正在运行）
+        if browser_status and browser_status.get('browser_exists'):
+            await self.test_sse_connection()
+
+        print("\n" + "=" * 50)
+        print("🎯 测试完成")
+
+        # 输出总结
+        print("\n📊 测试总结:")
+        print(f"浏览器状态: {'✅ 正常' if browser_status and browser_status.get('browser_exists') else '❌ 异常'}")
+        print(f"登录状态检查: {'✅ 成功' if login_status and login_status.get('success') else '❌ 失败'}")
+        print(f"登录验证: {'✅ 成功' if login_verify and login_verify.get('success') else '❌ 失败'}")
+
+
+if __name__ == "__main__":
+    tester = LoginTester()
+    asyncio.run(tester.run_all_tests())
\ No newline at end of file