diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..63ca30a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info/
+.eggs/
+dist/
+build/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Misc
+.DS_Store
+*.log
+.env
diff --git a/kb-zhihu-metadata/zhihu_extractor.py b/kb-zhihu-metadata/zhihu_extractor.py
index 67af68f..0d6f0fc 100644
--- a/kb-zhihu-metadata/zhihu_extractor.py
+++ b/kb-zhihu-metadata/zhihu_extractor.py
@@ -41,16 +41,17 @@ class PlaywrightBrowser:
             'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36'
         }
         
+        self.context = self.browser.new_context(**context_options)
+        
         # 如果提供了 Cookie，设置 Cookie
         if cookie:
-            context_options['cookies'] = self._parse_cookie(cookie)
+            self._add_cookies(cookie)
         
-        self.context = self.browser.new_context(**context_options)
         self.page = self.context.new_page()
         self.page.set_default_timeout(self.timeout)
     
-    def _parse_cookie(self, cookie_str: str) -> list:
-        """解析 Cookie 字符串为 Playwright 格式"""
+    def _add_cookies(self, cookie_str: str):
+        """添加 Cookie 到浏览器上下文"""
         cookies = []
         for item in cookie_str.split(';'):
             item = item.strip()
@@ -65,7 +66,7 @@ class PlaywrightBrowser:
                     'httpOnly': False,
                     'sameSite': 'Lax'
                 })
-        return cookies
+        self.context.add_cookies(cookies)
 
     def close(self):
         """关闭浏览器"""