diff --git a/feapder/utils/webdriver.py b/feapder/utils/webdriver.py
index 3e56955e..e09e690d 100644
--- a/feapder/utils/webdriver.py
+++ b/feapder/utils/webdriver.py
@@ -72,7 +72,7 @@ def __init__(
             window_size: # 窗口大小
             executable_path: 浏览器路径，默认为默认路径
             xhr_url_regexes: 拦截xhr接口，支持正则，数组类型
-            download_path: 如果指定，不再出现“保留”“放弃”提示，仅对Chrome有效
+            download_path: 文件下载保存路径；如果指定，不再出现“保留”“放弃”提示，仅对Chrome有效
             **kwargs:
         """
         self._load_images = load_images
@@ -87,7 +87,9 @@ def __init__(
         self._download_path = download_path
 
         if self._xhr_url_regexes and driver_type != WebDriver.CHROME:
-            raise Exception("xhr_url_regexes only support by chrome now! eg: driver_type=WebDriver.CHROME")
+            raise Exception(
+                "xhr_url_regexes only support by chrome now! eg: driver_type=WebDriver.CHROME"
+            )
 
         if driver_type == WebDriver.CHROME:
             self.driver = self.chrome_driver()
@@ -214,8 +216,8 @@ def chrome_driver(self):
         if self._download_path:
             os.makedirs(self._download_path, exist_ok=True)
             prefs = {
-                'download.prompt_for_download': False, 
-                'download.default_directory': self._download_path
+                "download.prompt_for_download": False,
+                "download.default_directory": self._download_path,
             }
             chrome_options.add_experimental_option("prefs", prefs)
 
@@ -249,15 +251,15 @@ def chrome_driver(self):
             driver.execute_cdp_cmd(
                 "Page.addScriptToEvaluateOnNewDocument", {"source": js}
             )
-        
+
         if self._download_path:
-            driver.command_executor._commands["send_command"] = ("POST", '/session/$sessionId/chromium/send_command')
+            driver.command_executor._commands["send_command"] = (
+                "POST",
+                "/session/$sessionId/chromium/send_command",
+            )
             params = {
-                'cmd': 'Page.setDownloadBehavior', 
-                'params': {
-                    'behavior': 'allow', 
-                    'downloadPath': self._download_path
-                }
+                "cmd": "Page.setDownloadBehavior",
+                "params": {"behavior": "allow", "downloadPath": self._download_path},
             }
             driver.execute("send_command", params)