diff --git a/DrissionPage/driver_element.py b/DrissionPage/driver_element.py
index 37b98ff..df061db 100644
--- a/DrissionPage/driver_element.py
+++ b/DrissionPage/driver_element.py
@@ -109,7 +109,11 @@ class DriverElement(DrissionElement):
             # return self.attrs[attr]
             return self.inner_ele.get_attribute(attr)
 
-    def ele(self, loc_or_str: Union[tuple, str], mode: str = None, show_errmsg: bool = False, timeout: float = None):
+    def ele(self,
+            loc_or_str: Union[tuple, str],
+            mode: str = None,
+            show_errmsg: bool = False,
+            timeout: float = None):
         """根据loc获取元素或列表，可用用字符串控制获取方式，可选'id','class','name','tagName'
         例：ele.find('id:ele_id')
         """
@@ -128,7 +132,10 @@ class DriverElement(DrissionElement):
         timeout = timeout or self.timeout
         return execute_driver_find(self.inner_ele, loc_or_str, mode, show_errmsg, timeout)
 
-    def eles(self, loc_or_str: Union[tuple, str], show_errmsg: bool = False, timeout: float = None):
+    def eles(self,
+             loc_or_str: Union[tuple, str],
+             show_errmsg: bool = False,
+             timeout: float = None):
         """根据loc获取子元素列表"""
         return self.ele(loc_or_str, mode='all', show_errmsg=show_errmsg, timeout=timeout)
 
@@ -262,8 +269,11 @@ class DriverElement(DrissionElement):
         ActionChains(self._driver).move_to_element(self.inner_ele).perform()
 
 
-def execute_driver_find(page_or_ele: Union[WebElement, WebDriver], loc: tuple, mode: str = 'single',
-                        show_errmsg: bool = False, timeout: float = 10) -> Union[DriverElement, List[DriverElement]]:
+def execute_driver_find(page_or_ele: Union[WebElement, WebDriver],
+                        loc: tuple,
+                        mode: str = 'single',
+                        show_errmsg: bool = False,
+                        timeout: float = 10) -> Union[DriverElement, List[DriverElement]]:
     """执行driver模式元素的查找
     页面查找元素及元素查找下级元素皆使用此方法
     :param page_or_ele: driver模式页面或元素
diff --git a/DrissionPage/session_element.py b/DrissionPage/session_element.py
index 2192b56..3feff94 100644
--- a/DrissionPage/session_element.py
+++ b/DrissionPage/session_element.py
@@ -147,8 +147,10 @@ class SessionElement(DrissionElement):
             return ''
 
 
-def execute_session_find(page_or_ele: BaseParser, loc: tuple, mode: str = 'single', show_errmsg: bool = False) \
-        -> Union[SessionElement, List[SessionElement]]:
+def execute_session_find(page_or_ele: BaseParser,
+                         loc: tuple,
+                         mode: str = 'single',
+                         show_errmsg: bool = False) -> Union[SessionElement, List[SessionElement]]:
     """执行session模式元素的查找
     页面查找元素及元素查找下级元素皆使用此方法
     :param page_or_ele: session模式页面或元素
diff --git a/DrissionPage/session_page.py b/DrissionPage/session_page.py
index e24e46c..c0d3ea4 100644
--- a/DrissionPage/session_page.py
+++ b/DrissionPage/session_page.py
@@ -63,8 +63,10 @@ class SessionPage(object):
         """获取元素innerHTML，如未指定元素则获取所有源代码"""
         return self.response.html.html
 
-    def ele(self, loc_or_ele: Union[tuple, str, SessionElement], mode: str = None, show_errmsg: bool = False) \
-            -> Union[SessionElement, List[SessionElement], None]:
+    def ele(self,
+            loc_or_ele: Union[tuple, str, SessionElement],
+            mode: str = None,
+            show_errmsg: bool = False) -> Union[SessionElement, List[SessionElement], None]:
         """查找一个元素
         :param loc_or_ele: 页面元素地址
         :param mode: 以某种方式查找元素，可选'single','all'
@@ -108,7 +110,11 @@ class SessionPage(object):
         self._url_available = True if self._response and self._response.status_code == 200 else False
         return self._url_available
 
-    def download(self, file_url: str, goal_path: str = None, rename: str = None, show_msg: bool = False,
+    def download(self,
+                 file_url: str,
+                 goal_path: str = None,
+                 rename: str = None,
+                 show_msg: bool = False,
                  **kwargs) -> tuple:
         """下载一个文件
         生成的response不写入self._response，是临时的