diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index 804b471..c23fca9 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -14,4 +14,4 @@ from ._configs.chromium_options import ChromiumOptions
 from ._configs.session_options import SessionOptions
 
 __all__ = ['ChromiumPage', 'ChromiumOptions', 'SessionOptions', 'SessionPage', 'WebPage', '__version__']
-__version__ = '4.0.4.10'
+__version__ = '4.0.4.11'
diff --git a/DrissionPage/_configs/session_options.py b/DrissionPage/_configs/session_options.py
index f3385ee..d5e60e4 100644
--- a/DrissionPage/_configs/session_options.py
+++ b/DrissionPage/_configs/session_options.py
@@ -5,6 +5,7 @@
 @Copyright: (c) 2024 by g1879, Inc. All Rights Reserved.
 @License  : BSD 3-Clause.
 """
+from copy import copy
 from pathlib import Path
 
 from requests import Session
@@ -441,7 +442,7 @@ class SessionOptions(object):
         :param headers: headers
         :return: 当前对象
         """
-        self._headers = CaseInsensitiveDict(**session.headers, **headers) if headers else session.headers
+        self._headers = CaseInsensitiveDict(copy(session.headers).update(headers)) if headers else session.headers
         self._cookies = session.cookies
         self._auth = session.auth
         self._proxies = session.proxies
diff --git a/DrissionPage/_elements/chromium_element.py b/DrissionPage/_elements/chromium_element.py
index ef0cb83..dda5ea0 100644
--- a/DrissionPage/_elements/chromium_element.py
+++ b/DrissionPage/_elements/chromium_element.py
@@ -98,7 +98,8 @@ class ChromiumElement(DrissionElement):
         :param item: 属性名
         :return: 属性值
         """
-        return self.attr(item) or self.property(item)
+        a = self.attr(item)
+        return a if a is not None else self.property(item)
 
     @property
     def tag(self):
diff --git a/DrissionPage/_pages/session_page.py b/DrissionPage/_pages/session_page.py
index 0fa1691..a2d8694 100644
--- a/DrissionPage/_pages/session_page.py
+++ b/DrissionPage/_pages/session_page.py
@@ -5,6 +5,7 @@
 @Copyright: (c) 2024 by g1879, Inc. All Rights Reserved.
 @License  : BSD 3-Clause.
 """
+from copy import copy
 from pathlib import Path
 from re import search, DOTALL
 from time import sleep
@@ -56,9 +57,9 @@ class SessionPage(BasePage):
 
         elif isinstance(session_or_options, Session):
             self._session_options = SessionOptions()
-            self._headers = session_or_options.headers
-            session_or_options.headers = None
-            self._session = session_or_options
+            self._session = copy(session_or_options)
+            self._headers = self._session.headers
+            self._session.headers = None
 
     def _s_set_runtime_settings(self):
         """设置运行时用到的属性"""