diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index 7d17ec5..029e38e 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__ = '4.0.4.1'
+__version__ = '4.0.4.2'
diff --git a/DrissionPage/_configs/chromium_options.py b/DrissionPage/_configs/chromium_options.py
index 8dbdf1e..d483967 100644
--- a/DrissionPage/_configs/chromium_options.py
+++ b/DrissionPage/_configs/chromium_options.py
@@ -267,6 +267,21 @@ class ChromiumOptions(object):
         self.clear_file_flags = True
         return self
 
+    def clear_flags(self):
+        """清空本对象已设置的flag参数"""
+        self._flags = {}
+        return self
+
+    def clear_arguments(self):
+        """清空本对象已设置的argument参数"""
+        self._arguments = []
+        return self
+
+    def clear_prefs(self):
+        """清空本对象已设置的pref参数"""
+        self._prefs = {}
+        return self
+
     def set_timeouts(self, base=None, page_load=None, script=None, implicit=None):
         """设置超时时间，单位为秒
         :param base: 默认超时时间
diff --git a/DrissionPage/_configs/chromium_options.pyi b/DrissionPage/_configs/chromium_options.pyi
index 8dd05b2..c682a27 100644
--- a/DrissionPage/_configs/chromium_options.pyi
+++ b/DrissionPage/_configs/chromium_options.pyi
@@ -109,8 +109,14 @@ class ChromiumOptions(object):
 
     def clear_flags_in_file(self) -> ChromiumOptions: ...
 
-    def set_timeouts(self, 
-                     base: float = None, 
+    def clear_flags(self) -> ChromiumOptions: ...
+
+    def clear_arguments(self) -> ChromiumOptions: ...
+
+    def clear_prefs(self) -> ChromiumOptions: ...
+
+    def set_timeouts(self,
+                     base: float = None,
                      page_load: float = None,
                      script: float = None) -> ChromiumOptions: ...
 
diff --git a/DrissionPage/_configs/session_options.py b/DrissionPage/_configs/session_options.py
index 1983801..6373441 100644
--- a/DrissionPage/_configs/session_options.py
+++ b/DrissionPage/_configs/session_options.py
@@ -198,6 +198,11 @@ class SessionOptions(object):
 
         return self
 
+    def clear_headers(self):
+        """清空已设置的header参数"""
+        self._headers = None
+        self._del_set.add('headers')
+
     @property
     def cookies(self):
         """以list形式返回cookies"""
diff --git a/DrissionPage/_configs/session_options.pyi b/DrissionPage/_configs/session_options.pyi
index 532dd06..6af3375 100644
--- a/DrissionPage/_configs/session_options.pyi
+++ b/DrissionPage/_configs/session_options.pyi
@@ -55,6 +55,8 @@ class SessionOptions(object):
 
     def remove_a_header(self, name: str) -> SessionOptions: ...
 
+    def clear_headers(self) -> SessionOptions: ...
+
     @property
     def cookies(self) -> list: ...
 
diff --git a/DrissionPage/_pages/chromium_base.py b/DrissionPage/_pages/chromium_base.py
index eb0aa96..ebf93f3 100644
--- a/DrissionPage/_pages/chromium_base.py
+++ b/DrissionPage/_pages/chromium_base.py
@@ -264,7 +264,6 @@ class ChromiumBase(BasePage):
             self.stop_loading()
 
     # ----------挂件----------
-
     @property
     def wait(self):
         """返回用于等待的对象"""
@@ -329,7 +328,7 @@ class ChromiumBase(BasePage):
         """返回timeouts设置"""
         return self._timeouts
 
-    # ----------挂件----------
+    # ----------挂件结束----------
 
     @property
     def browser(self):
@@ -722,6 +721,17 @@ class ChromiumBase(BasePage):
         frames = self._ele(locator, timeout=timeout, index=None, raise_err=False)
         return [i for i in frames if i._type == 'ChromiumFrame']
 
+    def upload(self, loc_or_ele, file_paths, by_js=False):
+        """触发上传文件选择框并自动填入指定路径
+        :param loc_or_ele: 被点击后会触发文件选择框的元素或它的定位符
+        :param file_paths: 文件路径，如果上传框支持多文件，可传入列表或字符串，字符串时多个文件用回车分隔
+        :param by_js: 是否用js方式点击
+        :return: None
+        """
+        self.set.upload_files(file_paths)
+        self.ele(loc_or_ele).click(by_js=by_js)
+        self.wait.upload_paths_inputted()
+
     def session_storage(self, item=None):
         """返回sessionStorage信息，不设置item则获取全部
         :param item: 要获取的项，不设置则返回全部
diff --git a/DrissionPage/_pages/chromium_base.pyi b/DrissionPage/_pages/chromium_base.pyi
index 0b51500..4e09e61 100644
--- a/DrissionPage/_pages/chromium_base.pyi
+++ b/DrissionPage/_pages/chromium_base.pyi
@@ -176,7 +176,8 @@ class ChromiumBase(BasePage):
     def get(self, url: str, show_errmsg: bool = False, retry: int = None,
             interval: float = None, timeout: float = None) -> Union[None, bool]: ...
 
-    def cookies(self, as_dict: bool = False, all_domains: bool = False, all_info: bool = False) -> Union[list, dict]: ...
+    def cookies(self, as_dict: bool = False, all_domains: bool = False, all_info: bool = False) -> Union[
+        list, dict]: ...
 
     def ele(self,
             locator: Union[Tuple[str, str], str, ChromiumElement, ChromiumFrame],
@@ -217,6 +218,11 @@ class ChromiumBase(BasePage):
 
     def get_frames(self, locator: Union[str, tuple] = None, timeout: float = None) -> List[ChromiumFrame]: ...
 
+    def upload(self,
+               loc_or_ele: Union[str, Tuple[str, str], ChromiumElement],
+               file_paths: Union[str, list, tuple],
+               by_js: bool = False) -> None: ...
+
     def run_cdp(self, cmd: str, **cmd_args) -> dict: ...
 
     def run_cdp_loaded(self, cmd: str, **cmd_args) -> dict: ...