diff --git a/DrissionPage/base.py b/DrissionPage/base.py
index 54b9a7c..7923bb2 100644
--- a/DrissionPage/base.py
+++ b/DrissionPage/base.py
@@ -428,6 +428,10 @@ class BasePage(BaseParser):
     def json(self):
         return
 
+    @property
+    def user_agent(self):
+        pass
+
     @abstractmethod
     def get_cookies(self, as_dict=False, all_info=False):
         return {}
diff --git a/DrissionPage/base.pyi b/DrissionPage/base.pyi
index eda767f..d24d305 100644
--- a/DrissionPage/base.pyi
+++ b/DrissionPage/base.pyi
@@ -195,6 +195,9 @@ class BasePage(BaseParser):
     @property
     def json(self) -> dict: ...
 
+    @property
+    def user_agent(self) -> str: ...
+
     @abstractmethod
     def get_cookies(self, as_dict: bool = False, all_info: bool = False) -> Union[list, dict]: ...