diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index 1f553d7..8a2eaf3 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -4,10 +4,10 @@
 @Contact :   g1879@qq.com
 """
 # 常用页面类
-from .chromium_page import ChromiumPage
-from .session_page import SessionPage
-from .web_page import WebPage
+from ._pages.chromium_page import ChromiumPage
+from ._pages.session_page import SessionPage
+from ._pages.web_page import WebPage
 
 # 启动配置类
-from .configs.chromium_options import ChromiumOptions
-from .configs.session_options import SessionOptions
+from ._configs.chromium_options import ChromiumOptions
+from ._configs.session_options import SessionOptions
diff --git a/DrissionPage/base.py b/DrissionPage/_base/base.py
similarity index 98%
rename from DrissionPage/base.py
rename to DrissionPage/_base/base.py
index 48880a6..51d7182 100644
--- a/DrissionPage/base.py
+++ b/DrissionPage/_base/base.py
@@ -10,10 +10,10 @@ from urllib.parse import quote
 
 from DownloadKit import DownloadKit
 
-from .commons.constants import Settings, NoneElement
-from .commons.locator import get_loc
-from .commons.web import format_html
-from .errors import ElementNotFoundError
+from DrissionPage._commons.constants import Settings, NoneElement
+from DrissionPage._commons.locator import get_loc
+from DrissionPage._commons.web import format_html
+from DrissionPage.errors import ElementNotFoundError
 
 
 class BaseParser(object):
@@ -367,7 +367,7 @@ class BasePage(BaseParser):
         self.retry_times = 3
         self.retry_interval = 2
         self._DownloadKit = None
-        self._download_path = str(Path('.').absolute())
+        self._download_path = str(Path('../..').absolute())
 
     @property
     def title(self):
diff --git a/DrissionPage/base.pyi b/DrissionPage/_base/base.pyi
similarity index 99%
rename from DrissionPage/base.pyi
rename to DrissionPage/_base/base.pyi
index 6c49719..3ec97a4 100644
--- a/DrissionPage/base.pyi
+++ b/DrissionPage/_base/base.pyi
@@ -8,7 +8,7 @@ from typing import Union, Tuple, List
 
 from DownloadKit import DownloadKit
 
-from .commons.constants import NoneElement
+from DrissionPage._commons.constants import NoneElement
 
 
 class BaseParser(object):
diff --git a/DrissionPage/browser.py b/DrissionPage/_base/browser.py
similarity index 97%
rename from DrissionPage/browser.py
rename to DrissionPage/_base/browser.py
index 387ba2d..9019b7f 100644
--- a/DrissionPage/browser.py
+++ b/DrissionPage/_base/browser.py
@@ -1,7 +1,11 @@
 # -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 from time import sleep
 
-from .browser_download_manager import BrowserDownloadManager
+from DrissionPage._units.browser_download_manager import BrowserDownloadManager
 from .chromium_driver import BrowserDriver
 
 
diff --git a/DrissionPage/browser.pyi b/DrissionPage/_base/browser.pyi
similarity index 86%
rename from DrissionPage/browser.pyi
rename to DrissionPage/_base/browser.pyi
index e4672ef..cdee003 100644
--- a/DrissionPage/browser.pyi
+++ b/DrissionPage/_base/browser.pyi
@@ -1,8 +1,12 @@
 # -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 from typing import List, Optional, Union
 
-from .browser_download_manager import BrowserDownloadManager
-from .chromium_page import ChromiumPage
+from DrissionPage._units.browser_download_manager import BrowserDownloadManager
+from DrissionPage._pages.chromium_page import ChromiumPage
 from .chromium_driver import BrowserDriver
 
 
diff --git a/DrissionPage/chromium_driver.py b/DrissionPage/_base/chromium_driver.py
similarity index 100%
rename from DrissionPage/chromium_driver.py
rename to DrissionPage/_base/chromium_driver.py
diff --git a/DrissionPage/chromium_driver.pyi b/DrissionPage/_base/chromium_driver.pyi
similarity index 100%
rename from DrissionPage/chromium_driver.pyi
rename to DrissionPage/_base/chromium_driver.pyi
diff --git a/DrissionPage/commons/browser.py b/DrissionPage/_commons/browser.py
similarity index 100%
rename from DrissionPage/commons/browser.py
rename to DrissionPage/_commons/browser.py
diff --git a/DrissionPage/commons/browser.pyi b/DrissionPage/_commons/browser.pyi
similarity index 78%
rename from DrissionPage/commons/browser.pyi
rename to DrissionPage/_commons/browser.pyi
index ede46db..0294aff 100644
--- a/DrissionPage/commons/browser.pyi
+++ b/DrissionPage/_commons/browser.pyi
@@ -3,7 +3,7 @@
 @Author  :   g1879
 @Contact :   g1879@qq.com
 """
-from DrissionPage.configs.chromium_options import ChromiumOptions
+from DrissionPage._configs.chromium_options import ChromiumOptions
 
 
 def connect_browser(option: ChromiumOptions) -> tuple: ...
diff --git a/DrissionPage/commons/by.py b/DrissionPage/_commons/by.py
similarity index 100%
rename from DrissionPage/commons/by.py
rename to DrissionPage/_commons/by.py
diff --git a/DrissionPage/commons/cli.py b/DrissionPage/_commons/cli.py
similarity index 86%
rename from DrissionPage/commons/cli.py
rename to DrissionPage/_commons/cli.py
index cc82107..71f2c28 100644
--- a/DrissionPage/commons/cli.py
+++ b/DrissionPage/_commons/cli.py
@@ -1,6 +1,11 @@
+# -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 from click import command, option
 
-from DrissionPage import ChromiumPage
+from DrissionPage._pages.chromium_page import ChromiumPage
 from DrissionPage.easy_set import set_paths, configs_to_here as ch
 
 
diff --git a/DrissionPage/commons/constants.py b/DrissionPage/_commons/constants.py
similarity index 100%
rename from DrissionPage/commons/constants.py
rename to DrissionPage/_commons/constants.py
diff --git a/DrissionPage/commons/keys.py b/DrissionPage/_commons/keys.py
similarity index 100%
rename from DrissionPage/commons/keys.py
rename to DrissionPage/_commons/keys.py
diff --git a/DrissionPage/commons/locator.py b/DrissionPage/_commons/locator.py
similarity index 100%
rename from DrissionPage/commons/locator.py
rename to DrissionPage/_commons/locator.py
diff --git a/DrissionPage/commons/locator.pyi b/DrissionPage/_commons/locator.pyi
similarity index 100%
rename from DrissionPage/commons/locator.pyi
rename to DrissionPage/_commons/locator.pyi
diff --git a/DrissionPage/commons/tools.py b/DrissionPage/_commons/tools.py
similarity index 100%
rename from DrissionPage/commons/tools.py
rename to DrissionPage/_commons/tools.py
diff --git a/DrissionPage/commons/tools.pyi b/DrissionPage/_commons/tools.pyi
similarity index 93%
rename from DrissionPage/commons/tools.pyi
rename to DrissionPage/_commons/tools.pyi
index ba8d6ee..83dcff1 100644
--- a/DrissionPage/commons/tools.pyi
+++ b/DrissionPage/_commons/tools.pyi
@@ -8,7 +8,7 @@ from pathlib import Path
 from typing import Union
 from types import FunctionType
 
-from chromium_page import ChromiumPage
+from DrissionPage._pages.chromium_page import ChromiumPage
 
 
 def get_usable_path(path: Union[str, Path], is_file: bool = True, parents: bool = True) -> Path: ...
diff --git a/DrissionPage/commons/web.py b/DrissionPage/_commons/web.py
similarity index 100%
rename from DrissionPage/commons/web.py
rename to DrissionPage/_commons/web.py
diff --git a/DrissionPage/commons/web.pyi b/DrissionPage/_commons/web.pyi
similarity index 90%
rename from DrissionPage/commons/web.pyi
rename to DrissionPage/_commons/web.pyi
index f4b4931..4a365e9 100644
--- a/DrissionPage/commons/web.pyi
+++ b/DrissionPage/_commons/web.pyi
@@ -10,8 +10,8 @@ from requests import Session
 from requests.cookies import RequestsCookieJar
 
 from DrissionPage.base import DrissionElement, BasePage
-from DrissionPage.chromium_element import ChromiumElement
-from DrissionPage.chromium_base import ChromiumBase
+from DrissionPage._chromium_element import ChromiumElement
+from DrissionPage._chromium_base import ChromiumBase
 
 
 def get_ele_txt(e: DrissionElement) -> str: ...
diff --git a/DrissionPage/configs/chromium_options.py b/DrissionPage/_configs/chromium_options.py
similarity index 99%
rename from DrissionPage/configs/chromium_options.py
rename to DrissionPage/_configs/chromium_options.py
index 6f32d90..c44529a 100644
--- a/DrissionPage/configs/chromium_options.py
+++ b/DrissionPage/_configs/chromium_options.py
@@ -6,7 +6,7 @@
 from pathlib import Path
 from tempfile import gettempdir, TemporaryDirectory
 
-from DrissionPage.commons.tools import port_is_using, clean_folder
+from DrissionPage._commons.tools import port_is_using, clean_folder
 from .options_manage import OptionsManager
 
 
diff --git a/DrissionPage/configs/chromium_options.pyi b/DrissionPage/_configs/chromium_options.pyi
similarity index 100%
rename from DrissionPage/configs/chromium_options.pyi
rename to DrissionPage/_configs/chromium_options.pyi
diff --git a/DrissionPage/configs/configs.ini b/DrissionPage/_configs/configs.ini
similarity index 100%
rename from DrissionPage/configs/configs.ini
rename to DrissionPage/_configs/configs.ini
diff --git a/DrissionPage/configs/options_manage.py b/DrissionPage/_configs/options_manage.py
similarity index 100%
rename from DrissionPage/configs/options_manage.py
rename to DrissionPage/_configs/options_manage.py
diff --git a/DrissionPage/configs/options_manage.pyi b/DrissionPage/_configs/options_manage.pyi
similarity index 100%
rename from DrissionPage/configs/options_manage.pyi
rename to DrissionPage/_configs/options_manage.pyi
diff --git a/DrissionPage/configs/session_options.py b/DrissionPage/_configs/session_options.py
similarity index 99%
rename from DrissionPage/configs/session_options.py
rename to DrissionPage/_configs/session_options.py
index 03fc800..1aa7c1d 100644
--- a/DrissionPage/configs/session_options.py
+++ b/DrissionPage/_configs/session_options.py
@@ -8,7 +8,7 @@ from pathlib import Path
 from requests import Session
 from requests.structures import CaseInsensitiveDict
 
-from DrissionPage.commons.web import cookies_to_tuple, set_session_cookies
+from DrissionPage._commons.web import cookies_to_tuple, set_session_cookies
 from .options_manage import OptionsManager
 
 
diff --git a/DrissionPage/configs/session_options.pyi b/DrissionPage/_configs/session_options.pyi
similarity index 100%
rename from DrissionPage/configs/session_options.pyi
rename to DrissionPage/_configs/session_options.pyi
diff --git a/DrissionPage/chromium_element.py b/DrissionPage/_elements/chromium_element.py
similarity index 99%
rename from DrissionPage/chromium_element.py
rename to DrissionPage/_elements/chromium_element.py
index cf12697..f5fc1fd 100644
--- a/DrissionPage/chromium_element.py
+++ b/DrissionPage/_elements/chromium_element.py
@@ -7,17 +7,17 @@ from os.path import basename, sep
 from pathlib import Path
 from time import perf_counter, sleep
 
-from .base import DrissionElement, BaseElement
-from .commons.constants import FRAME_ELEMENT, NoneElement, Settings
-from .commons.keys import keys_to_typing, keyDescriptionForString, keyDefinitions
-from .commons.locator import get_loc
-from .commons.tools import get_usable_path
-from .commons.web import make_absolute_link, get_ele_txt, format_html, is_js_func, location_in_viewport, offset_scroll
-from .errors import ContextLossError, ElementLossError, JavaScriptError, NoRectError, ElementNotFoundError, \
+from DrissionPage._base.base import DrissionElement, BaseElement
+from DrissionPage._commons.constants import FRAME_ELEMENT, NoneElement, Settings
+from DrissionPage._commons.keys import keys_to_typing, keyDescriptionForString, keyDefinitions
+from DrissionPage._commons.locator import get_loc
+from DrissionPage._commons.tools import get_usable_path
+from DrissionPage._commons.web import make_absolute_link, get_ele_txt, format_html, is_js_func, location_in_viewport, offset_scroll
+from DrissionPage.errors import ContextLossError, ElementLossError, JavaScriptError, NoRectError, ElementNotFoundError, \
     CDPError, NoResourceError, CanNotClickError
 from .session_element import make_session_ele
-from .setter import ChromiumElementSetter
-from .waiter import ChromiumElementWaiter
+from DrissionPage._units.setter import ChromiumElementSetter
+from DrissionPage._units.waiter import ChromiumElementWaiter
 
 
 class ChromiumElement(DrissionElement):
@@ -1203,7 +1203,7 @@ def make_chromium_ele(page, node_id=None, obj_id=None):
 
     ele = ChromiumElement(page, obj_id=obj_id, node_id=node_id, backend_id=backend_id)
     if ele.tag in FRAME_ELEMENT:
-        from .chromium_frame import ChromiumFrame
+        from ._chromium_frame import ChromiumFrame
         ele = ChromiumFrame(page, ele)
 
     return ele
diff --git a/DrissionPage/chromium_element.pyi b/DrissionPage/_elements/chromium_element.pyi
similarity index 96%
rename from DrissionPage/chromium_element.pyi
rename to DrissionPage/_elements/chromium_element.pyi
index 03355d2..a7b0dcb 100644
--- a/DrissionPage/chromium_element.pyi
+++ b/DrissionPage/_elements/chromium_element.pyi
@@ -6,15 +6,15 @@
 from pathlib import Path
 from typing import Union, Tuple, List, Any
 
-from .base import DrissionElement, BaseElement
-from .chromium_base import ChromiumBase
-from .chromium_frame import ChromiumFrame
-from .chromium_page import ChromiumPage
-from .commons.constants import NoneElement
-from .session_element import SessionElement
-from .setter import ChromiumElementSetter
-from .waiter import ChromiumElementWaiter
-from .web_page import WebPage
+from DrissionPage._base.base import DrissionElement, BaseElement
+from DrissionPage._commons.constants import NoneElement
+from DrissionPage._elements.session_element import SessionElement
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.chromium_page import ChromiumPage
+from DrissionPage._pages.web_page import WebPage
+from DrissionPage._units.setter import ChromiumElementSetter
+from DrissionPage._units.waiter import ChromiumElementWaiter
 
 
 class ChromiumElement(DrissionElement):
diff --git a/DrissionPage/session_element.py b/DrissionPage/_elements/session_element.py
similarity index 98%
rename from DrissionPage/session_element.py
rename to DrissionPage/_elements/session_element.py
index 7e8bb88..fa241cb 100644
--- a/DrissionPage/session_element.py
+++ b/DrissionPage/_elements/session_element.py
@@ -9,10 +9,10 @@ from re import match, DOTALL
 from lxml.etree import tostring
 from lxml.html import HtmlElement, fromstring
 
-from .base import DrissionElement, BasePage, BaseElement
-from .commons.constants import NoneElement
-from .commons.locator import get_loc
-from .commons.web import get_ele_txt, make_absolute_link
+from DrissionPage._base.base import DrissionElement, BasePage, BaseElement
+from DrissionPage._commons.constants import NoneElement
+from DrissionPage._commons.locator import get_loc
+from DrissionPage._commons.web import get_ele_txt, make_absolute_link
 
 
 class SessionElement(DrissionElement):
diff --git a/DrissionPage/session_element.pyi b/DrissionPage/_elements/session_element.pyi
similarity index 92%
rename from DrissionPage/session_element.pyi
rename to DrissionPage/_elements/session_element.pyi
index c55dcfe..9257354 100644
--- a/DrissionPage/session_element.pyi
+++ b/DrissionPage/_elements/session_element.pyi
@@ -7,12 +7,12 @@ from typing import Union, List, Tuple
 
 from lxml.html import HtmlElement
 
-from .base import DrissionElement, BaseElement
-from .chromium_base import ChromiumBase
-from .chromium_element import ChromiumElement
-from .chromium_frame import ChromiumFrame
-from .commons.constants import NoneElement
-from .session_page import SessionPage
+from DrissionPage._base.base import DrissionElement, BaseElement
+from DrissionPage._commons.constants import NoneElement
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.session_page import SessionPage
 
 
 class SessionElement(DrissionElement):
diff --git a/DrissionPage/chromium_base.py b/DrissionPage/_pages/chromium_base.py
similarity index 97%
rename from DrissionPage/chromium_base.py
rename to DrissionPage/_pages/chromium_base.py
index d820918..c79b8be 100644
--- a/DrissionPage/chromium_base.py
+++ b/DrissionPage/_pages/chromium_base.py
@@ -13,20 +13,20 @@ from time import perf_counter, sleep, time
 
 from requests import get
 
-from .action_chains import ActionChains
-from .base import BasePage
-from .chromium_driver import ChromiumDriver
-from .chromium_element import ChromiumScroll, ChromiumElement, run_js, make_chromium_ele
-from .commons.constants import HANDLE_ALERT_METHOD, ERROR, NoneElement
-from .commons.locator import get_loc
-from .commons.tools import get_usable_path, clean_folder
-from .commons.web import location_in_viewport
-from .errors import ContextLossError, ElementLossError, AlertExistsError, CDPError, TabClosedError, \
+from DrissionPage._base.base import BasePage
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._commons.constants import HANDLE_ALERT_METHOD, ERROR, NoneElement
+from DrissionPage._commons.locator import get_loc
+from DrissionPage._commons.tools import get_usable_path, clean_folder
+from DrissionPage._commons.web import location_in_viewport
+from DrissionPage._elements.chromium_element import ChromiumScroll, ChromiumElement, run_js, make_chromium_ele
+from DrissionPage._elements.session_element import make_session_ele
+from DrissionPage._units.network_listener import NetworkListener
+from DrissionPage._units.setter import ChromiumBaseSetter
+from DrissionPage._units.waiter import ChromiumBaseWaiter
+from DrissionPage.errors import ContextLossError, ElementLossError, AlertExistsError, CDPError, TabClosedError, \
     NoRectError, BrowserConnectError, GetDocumentError
-from .network_listener import NetworkListener
-from .session_element import make_session_ele
-from .setter import ChromiumBaseSetter
-from .waiter import ChromiumBaseWaiter
+from _units.action_chains import ActionChains
 
 
 class ChromiumBase(BasePage):
@@ -48,7 +48,7 @@ class ChromiumBase(BasePage):
         self._actions = None
         self._listener = None
 
-        self._download_path = str(Path('.').absolute())
+        self._download_path = str(Path('../..').absolute())
 
         if isinstance(address, int) or (isinstance(address, str) and address.isdigit()):
             address = f'127.0.0.1:{address}'
diff --git a/DrissionPage/chromium_base.pyi b/DrissionPage/_pages/chromium_base.pyi
similarity index 92%
rename from DrissionPage/chromium_base.pyi
rename to DrissionPage/_pages/chromium_base.pyi
index 3a90a70..97020ad 100644
--- a/DrissionPage/chromium_base.pyi
+++ b/DrissionPage/_pages/chromium_base.pyi
@@ -8,18 +8,18 @@ from typing import Union, Tuple, List, Any
 
 from DataRecorder import Recorder
 
-from .browser import Browser
-from .action_chains import ActionChains
-from .base import BasePage
-from .chromium_driver import ChromiumDriver
-from .chromium_element import ChromiumElement, ChromiumScroll
-from .chromium_frame import ChromiumFrame
-from .chromium_page import ChromiumPage
-from .commons.constants import NoneElement
-from .network_listener import NetworkListener
-from .session_element import SessionElement
-from .setter import ChromiumBaseSetter
-from .waiter import ChromiumBaseWaiter
+from DrissionPage._base.base import BasePage
+from DrissionPage._base.browser import Browser
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._commons.constants import NoneElement
+from DrissionPage._elements.chromium_element import ChromiumElement, ChromiumScroll
+from DrissionPage._elements.session_element import SessionElement
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.chromium_page import ChromiumPage
+from DrissionPage._units.action_chains import ActionChains
+from DrissionPage._units.network_listener import NetworkListener
+from DrissionPage._units.setter import ChromiumBaseSetter
+from DrissionPage._units.waiter import ChromiumBaseWaiter
 
 
 class ChromiumBase(BasePage):
diff --git a/DrissionPage/chromium_frame.py b/DrissionPage/_pages/chromium_frame.py
similarity index 98%
rename from DrissionPage/chromium_frame.py
rename to DrissionPage/_pages/chromium_frame.py
index 71d3b0d..ca037f0 100644
--- a/DrissionPage/chromium_frame.py
+++ b/DrissionPage/_pages/chromium_frame.py
@@ -10,11 +10,11 @@ from time import sleep, perf_counter
 
 from requests import get
 
-from .chromium_base import ChromiumBase, ChromiumPageScroll
-from .chromium_element import ChromiumElement
-from .errors import ContextLossError
-from .setter import ChromiumFrameSetter
-from .waiter import FrameWaiter
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._pages.chromium_base import ChromiumBase, ChromiumPageScroll
+from DrissionPage._units.setter import ChromiumFrameSetter
+from DrissionPage._units.waiter import FrameWaiter
+from DrissionPage.errors import ContextLossError
 
 
 class ChromiumFrame(ChromiumBase):
diff --git a/DrissionPage/chromium_frame.pyi b/DrissionPage/_pages/chromium_frame.pyi
similarity index 93%
rename from DrissionPage/chromium_frame.pyi
rename to DrissionPage/_pages/chromium_frame.pyi
index 086565a..1be67ad 100644
--- a/DrissionPage/chromium_frame.pyi
+++ b/DrissionPage/_pages/chromium_frame.pyi
@@ -6,12 +6,13 @@
 from pathlib import Path
 from typing import Union, Tuple, List, Any
 
-from DrissionPage import ChromiumPage, WebPage
-from .chromium_tab import ChromiumTab
-from .chromium_base import ChromiumBase, ChromiumPageScroll
-from .chromium_element import ChromiumElement, Locations, ChromiumElementStates
-from .setter import ChromiumFrameSetter
-from .waiter import FrameWaiter
+from DrissionPage._elements.chromium_element import ChromiumElement, Locations, ChromiumElementStates
+from DrissionPage._pages.chromium_base import ChromiumBase, ChromiumPageScroll
+from DrissionPage._pages.chromium_page import ChromiumPage
+from DrissionPage._pages.chromium_tab import ChromiumTab
+from DrissionPage._pages.web_page import WebPage
+from DrissionPage._units.setter import ChromiumFrameSetter
+from DrissionPage._units.waiter import FrameWaiter
 
 
 class ChromiumFrame(ChromiumBase):
diff --git a/DrissionPage/chromium_page.py b/DrissionPage/_pages/chromium_page.py
similarity index 96%
rename from DrissionPage/chromium_page.py
rename to DrissionPage/_pages/chromium_page.py
index bbee74b..33f343b 100644
--- a/DrissionPage/chromium_page.py
+++ b/DrissionPage/_pages/chromium_page.py
@@ -8,14 +8,14 @@ from time import perf_counter, sleep
 
 from requests import get
 
-from .browser import Browser
-from .chromium_base import ChromiumBase, Timeout
-from .chromium_driver import ChromiumDriver
-from .chromium_tab import ChromiumTab
-from .commons.browser import connect_browser
-from .configs.chromium_options import ChromiumOptions
-from .setter import ChromiumPageSetter
-from .waiter import ChromiumPageWaiter
+from DrissionPage._base.browser import Browser
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._commons.browser import connect_browser
+from DrissionPage._configs.chromium_options import ChromiumOptions
+from DrissionPage._pages.chromium_base import ChromiumBase, Timeout
+from DrissionPage._pages.chromium_tab import ChromiumTab
+from DrissionPage._units.setter import ChromiumPageSetter
+from DrissionPage._units.waiter import ChromiumPageWaiter
 
 
 class ChromiumPage(ChromiumBase):
diff --git a/DrissionPage/chromium_page.pyi b/DrissionPage/_pages/chromium_page.pyi
similarity index 89%
rename from DrissionPage/chromium_page.pyi
rename to DrissionPage/_pages/chromium_page.pyi
index a152caa..884a452 100644
--- a/DrissionPage/chromium_page.pyi
+++ b/DrissionPage/_pages/chromium_page.pyi
@@ -5,13 +5,13 @@
 """
 from typing import Union, Tuple, List, Optional
 
-from .browser import Browser
-from .chromium_base import ChromiumBase
-from .chromium_driver import ChromiumDriver
-from .chromium_tab import ChromiumTab
-from .configs.chromium_options import ChromiumOptions
-from .setter import ChromiumPageSetter
-from .waiter import ChromiumPageWaiter
+from DrissionPage._base.browser import Browser
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._pages.chromium_tab import ChromiumTab
+from DrissionPage._configs.chromium_options import ChromiumOptions
+from DrissionPage._units.setter import ChromiumPageSetter
+from DrissionPage._units.waiter import ChromiumPageWaiter
 
 
 class ChromiumPage(ChromiumBase):
diff --git a/DrissionPage/chromium_tab.py b/DrissionPage/_pages/chromium_tab.py
similarity index 97%
rename from DrissionPage/chromium_tab.py
rename to DrissionPage/_pages/chromium_tab.py
index 556fff4..6e44f6d 100644
--- a/DrissionPage/chromium_tab.py
+++ b/DrissionPage/_pages/chromium_tab.py
@@ -5,13 +5,12 @@
 """
 from copy import copy
 
-from .base import BasePage
-from .chromium_base import ChromiumBase
-from .commons.web import set_session_cookies, set_browser_cookies
-from .session_page import SessionPage
-from .setter import TabSetter
-from .setter import WebPageTabSetter
-from .waiter import ChromiumTabWaiter
+from DrissionPage._base.base import BasePage
+from DrissionPage._commons.web import set_session_cookies, set_browser_cookies
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._pages.session_page import SessionPage
+from DrissionPage._units.setter import TabSetter, WebPageTabSetter
+from DrissionPage._units.waiter import ChromiumTabWaiter
 
 
 class ChromiumTab(ChromiumBase):
diff --git a/DrissionPage/chromium_tab.pyi b/DrissionPage/_pages/chromium_tab.pyi
similarity index 88%
rename from DrissionPage/chromium_tab.pyi
rename to DrissionPage/_pages/chromium_tab.pyi
index 8a6db8c..6f19d4b 100644
--- a/DrissionPage/chromium_tab.pyi
+++ b/DrissionPage/_pages/chromium_tab.pyi
@@ -7,17 +7,16 @@ from typing import Union, Tuple, Any, List
 
 from requests import Session, Response
 
-from .browser import Browser
-from .chromium_base import ChromiumBase
-from .chromium_element import ChromiumElement
-from .chromium_frame import ChromiumFrame
-from .chromium_page import ChromiumPage, ChromiumTabRect
-from .session_element import SessionElement
-from .session_page import SessionPage
-from .setter import TabSetter
-from .setter import WebPageTabSetter
-from .waiter import ChromiumTabWaiter
-from .web_page import WebPage
+from DrissionPage._base.browser import Browser
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._elements.session_element import SessionElement
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.chromium_page import ChromiumPage, ChromiumTabRect
+from DrissionPage._pages.session_page import SessionPage
+from DrissionPage._pages.web_page import WebPage
+from DrissionPage._units.setter import TabSetter, WebPageTabSetter
+from DrissionPage._units.waiter import ChromiumTabWaiter
 
 
 class ChromiumTab(ChromiumBase):
diff --git a/DrissionPage/session_page.py b/DrissionPage/_pages/session_page.py
similarity index 95%
rename from DrissionPage/session_page.py
rename to DrissionPage/_pages/session_page.py
index 9bf1e1a..846ba9b 100644
--- a/DrissionPage/session_page.py
+++ b/DrissionPage/_pages/session_page.py
@@ -1,336 +1,336 @@
-# -*- coding:utf-8 -*-
-"""
-@Author  :   g1879
-@Contact :   g1879@qq.com
-"""
-from re import search
-from time import sleep
-from urllib.parse import urlparse
-
-from requests import Session
-from requests.structures import CaseInsensitiveDict
-from tldextract import extract
-
-from .base import BasePage
-from .commons.web import cookie_to_dict
-from .configs.session_options import SessionOptions
-from .session_element import SessionElement, make_session_ele
-from .setter import SessionPageSetter
-
-
-class SessionPage(BasePage):
-    """SessionPage封装了页面操作的常用功能，使用requests来获取、解析网页"""
-
-    def __init__(self, session_or_options=None, timeout=None):
-        """
-        :param session_or_options: Session对象或SessionOptions对象
-        :param timeout: 连接超时时间，为None时从ini文件读取
-        """
-        super(SessionPage, SessionPage).__init__(self)
-        self._response = None
-        self._session = None
-        self._set = None
-        self._s_set_start_options(session_or_options, None)
-        self._s_set_runtime_settings()
-        self._create_session()
-        if timeout is not None:
-            self.timeout = timeout
-
-    def _s_set_start_options(self, session_or_options, none):
-        """启动配置
-        :param session_or_options: Session、SessionOptions
-        :param none: 用于后代继承
-        :return: None
-        """
-        if not session_or_options or isinstance(session_or_options, SessionOptions):
-            self._session_options = session_or_options or SessionOptions(session_or_options)
-
-        elif isinstance(session_or_options, Session):
-            self._session_options = SessionOptions()
-            self._session = session_or_options
-
-    def _s_set_runtime_settings(self):
-        """设置运行时用到的属性"""
-        self._timeout = self._session_options.timeout
-        self._download_path = self._session_options.download_path
-
-    def _create_session(self):
-        """创建内建Session对象"""
-        if not self._session:
-            self._session = self._session_options.make_session()
-
-    def __call__(self, loc_or_str, timeout=None):
-        """在内部查找元素
-        例：ele2 = ele1('@id=ele_id')
-        :param loc_or_str: 元素的定位信息，可以是loc元组，或查询字符串
-        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
-        :return: SessionElement对象或属性文本
-        """
-        return self.ele(loc_or_str)
-
-    # -----------------共有属性和方法-------------------
-    @property
-    def title(self):
-        """返回网页title"""
-        ele = self._ele('xpath://title', raise_err=False)
-        return ele.text if ele else None
-
-    @property
-    def url(self):
-        """返回当前访问url"""
-        return self._url
-
-    @property
-    def _session_url(self):
-        """返回当前访问url"""
-        return self._url
-
-    @property
-    def html(self):
-        """返回页面的html文本"""
-        return self.response.text if self.response else ''
-
-    @property
-    def json(self):
-        """当返回内容是json格式时，返回对应的字典，非json格式时返回None"""
-        try:
-            return self.response.json()
-        except Exception:
-            return None
-
-    @property
-    def user_agent(self):
-        """返回user agent"""
-        return self.session.headers.get('user-agent', '')
-
-    @property
-    def session(self):
-        """返回session对象"""
-        return self._session
-
-    @property
-    def response(self):
-        """返回访问url得到的response对象"""
-        return self._response
-
-    @property
-    def set(self):
-        """返回用于等待的对象"""
-        if self._set is None:
-            self._set = SessionPageSetter(self)
-        return self._set
-
-    def get(self, url, show_errmsg=False, retry=None, interval=None, timeout=None, **kwargs):
-        """用get方式跳转到url
-        :param url: 目标url
-        :param show_errmsg: 是否显示和抛出异常
-        :param retry: 重试次数
-        :param interval: 重试间隔（秒）
-        :param timeout: 连接超时时间（秒）
-        :param kwargs: 连接参数
-        :return: url是否可用
-        """
-        return self._s_connect(url, 'get', None, show_errmsg, retry, interval, **kwargs)
-
-    def ele(self, loc_or_ele, timeout=None):
-        """返回页面中符合条件的第一个元素、属性或节点文本
-        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
-        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
-        :return: SessionElement对象或属性、文本
-        """
-        return self._ele(loc_or_ele)
-
-    def eles(self, loc_or_str, timeout=None):
-        """返回页面中所有符合条件的元素、属性或节点文本
-        :param loc_or_str: 元素的定位信息，可以是loc元组，或查询字符串
-        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
-        :return: SessionElement对象或属性、文本组成的列表
-        """
-        return self._ele(loc_or_str, single=False)
-
-    def s_ele(self, loc_or_ele=None):
-        """返回页面中符合条件的第一个元素、属性或节点文本
-        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
-        :return: SessionElement对象或属性、文本
-        """
-        return make_session_ele(self.html) if loc_or_ele is None else self._ele(loc_or_ele)
-
-    def s_eles(self, loc_or_str):
-        """返回页面中符合条件的所有元素、属性或节点文本
-        :param loc_or_str: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
-        :return: SessionElement对象或属性、文本
-        """
-        return self._ele(loc_or_str, single=False)
-
-    def _find_elements(self, loc_or_ele, timeout=None, single=True, raise_err=None):
-        """返回页面中符合条件的元素、属性或节点文本，默认返回第一个
-        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
-        :param timeout: 不起实际作用，用于和父类对应
-        :param single: True则返回第一个，False则返回全部
-        :param raise_err: 找不到元素是是否抛出异常，为None时根据全局设置
-        :return: SessionElement对象
-        """
-        return loc_or_ele if isinstance(loc_or_ele, SessionElement) else make_session_ele(self, loc_or_ele, single)
-
-    def get_cookies(self, as_dict=False, all_domains=False, all_info=False):
-        """返回cookies
-        :param as_dict: 是否以字典方式返回，False则以list返回
-        :param all_domains: 是否返回所有域的cookies
-        :param all_info: 是否返回所有信息，False则只返回name、value、domain
-        :return: cookies信息
-        """
-        if all_domains:
-            cookies = self.session.cookies
-        else:
-            if self.url:
-                ex_url = extract(self._session_url)
-                domain = f'{ex_url.domain}.{ex_url.suffix}' if ex_url.suffix else ex_url.domain
-
-                cookies = tuple(x for x in self.session.cookies if domain in x.domain or x.domain == '')
-            else:
-                cookies = tuple(x for x in self.session.cookies)
-
-        if as_dict:
-            return {x.name: x.value for x in cookies}
-        elif all_info:
-            return [cookie_to_dict(cookie) for cookie in cookies]
-        else:
-            r = []
-            for c in cookies:
-                c = cookie_to_dict(c)
-                r.append({'name': c['name'], 'value': c['value'], 'domain': c['domain']})
-            return r
-
-    def post(self, url, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
-        """用post方式跳转到url
-        :param url: 目标url
-        :param data: 提交的数据
-        :param show_errmsg: 是否显示和抛出异常
-        :param retry: 重试次数
-        :param interval: 重试间隔（秒）
-        :param kwargs: 连接参数
-        :return: url是否可用
-        """
-        return self._s_connect(url, 'post', data, show_errmsg, retry, interval, **kwargs)
-
-    def _s_connect(self, url, mode, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
-        """执行get或post连接
-        :param url: 目标url
-        :param mode: 'get' 或 'post'
-        :param data: 提交的数据
-        :param show_errmsg: 是否显示和抛出异常
-        :param retry: 重试次数
-        :param interval: 重试间隔（秒）
-        :param kwargs: 连接参数
-        :return: url是否可用
-        """
-        retry, interval = self._before_connect(url, retry, interval)
-        self._response, info = self._make_response(self._url, mode, data, retry, interval, show_errmsg, **kwargs)
-
-        if self._response is None:
-            self._url_available = False
-
-        else:
-            if self._response.ok:
-                self._url_available = True
-
-            else:
-                if show_errmsg:
-                    raise ConnectionError(f'状态码：{self._response.status_code}.')
-                self._url_available = False
-
-        return self._url_available
-
-    def _make_response(self, url, mode='get', data=None, retry=None, interval=None, show_errmsg=False, **kwargs):
-        """生成Response对象
-        :param url: 目标url
-        :param mode: 'get' 或 'post'
-        :param data: post方式要提交的数据
-        :param show_errmsg: 是否显示和抛出异常
-        :param kwargs: 其它参数
-        :return: tuple，第一位为Response或None，第二位为出错信息或'Success'
-        """
-        kwargs = CaseInsensitiveDict(kwargs)
-        if 'headers' not in kwargs:
-            kwargs['headers'] = {}
-        else:
-            kwargs['headers'] = CaseInsensitiveDict(kwargs['headers'])
-
-        # 设置referer和host值
-        parsed_url = urlparse(url)
-        hostname = parsed_url.hostname
-        scheme = parsed_url.scheme
-        if not check_headers(kwargs, self.session.headers, 'Referer'):
-            kwargs['headers']['Referer'] = self.url if self.url else f'{scheme}://{hostname}'
-        if 'Host' not in kwargs['headers']:
-            kwargs['headers']['Host'] = hostname
-
-        if not check_headers(kwargs, self.session.headers, 'timeout'):
-            kwargs['timeout'] = self.timeout
-
-        r = err = None
-        retry = retry if retry is not None else self.retry_times
-        interval = interval if interval is not None else self.retry_interval
-        for i in range(retry + 1):
-            try:
-                if mode == 'get':
-                    r = self.session.get(url, **kwargs)
-                elif mode == 'post':
-                    r = self.session.post(url, data=data, **kwargs)
-
-                if r:
-                    return set_charset(r), 'Success'
-
-            except Exception as e:
-                err = e
-
-            # if r and r.status_code in (403, 404):
-            #     break
-
-            if i < retry:
-                sleep(interval)
-                if show_errmsg:
-                    print(f'重试 {url}')
-
-        if r is None:
-            if show_errmsg:
-                if err:
-                    raise err
-                else:
-                    raise ConnectionError('连接失败')
-            return None, '连接失败' if err is None else err
-
-        if not r.ok:
-            if show_errmsg:
-                raise ConnectionError(f'状态码：{r.status_code}')
-            return r, f'状态码：{r.status_code}'
-
-
-def check_headers(kwargs, headers, arg):
-    """检查kwargs或headers中是否有arg所示属性"""
-    return arg in kwargs['headers'] or arg in headers
-
-
-def set_charset(response):
-    """设置Response对象的编码"""
-    # 在headers中获取编码
-    content_type = response.headers.get('content-type', '').lower()
-    if not content_type.endswith(';'):
-        content_type += ';'
-    charset = search(r'charset[=: ]*(.*)?;?', content_type)
-
-    if charset:
-        response.encoding = charset.group(1)
-
-    # 在headers中获取不到编码，且如果是网页
-    elif content_type.replace(' ', '').startswith('text/html'):
-        re_result = search(b'<meta.*?charset=[ \\\'"]*([^"\\\' />]+).*?>', response.content)
-
-        if re_result:
-            charset = re_result.group(1).decode()
-        else:
-            charset = response.apparent_encoding
-
-        response.encoding = charset
-
-    return response
+# -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
+from re import search
+from time import sleep
+from urllib.parse import urlparse
+
+from requests import Session
+from requests.structures import CaseInsensitiveDict
+from tldextract import extract
+
+from DrissionPage._base.base import BasePage
+from DrissionPage._commons.web import cookie_to_dict
+from DrissionPage._configs.session_options import SessionOptions
+from DrissionPage._elements.session_element import SessionElement, make_session_ele
+from DrissionPage._units.setter import SessionPageSetter
+
+
+class SessionPage(BasePage):
+    """SessionPage封装了页面操作的常用功能，使用requests来获取、解析网页"""
+
+    def __init__(self, session_or_options=None, timeout=None):
+        """
+        :param session_or_options: Session对象或SessionOptions对象
+        :param timeout: 连接超时时间，为None时从ini文件读取
+        """
+        super(SessionPage, SessionPage).__init__(self)
+        self._response = None
+        self._session = None
+        self._set = None
+        self._s_set_start_options(session_or_options, None)
+        self._s_set_runtime_settings()
+        self._create_session()
+        if timeout is not None:
+            self.timeout = timeout
+
+    def _s_set_start_options(self, session_or_options, none):
+        """启动配置
+        :param session_or_options: Session、SessionOptions
+        :param none: 用于后代继承
+        :return: None
+        """
+        if not session_or_options or isinstance(session_or_options, SessionOptions):
+            self._session_options = session_or_options or SessionOptions(session_or_options)
+
+        elif isinstance(session_or_options, Session):
+            self._session_options = SessionOptions()
+            self._session = session_or_options
+
+    def _s_set_runtime_settings(self):
+        """设置运行时用到的属性"""
+        self._timeout = self._session_options.timeout
+        self._download_path = self._session_options.download_path
+
+    def _create_session(self):
+        """创建内建Session对象"""
+        if not self._session:
+            self._session = self._session_options.make_session()
+
+    def __call__(self, loc_or_str, timeout=None):
+        """在内部查找元素
+        例：ele2 = ele1('@id=ele_id')
+        :param loc_or_str: 元素的定位信息，可以是loc元组，或查询字符串
+        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
+        :return: SessionElement对象或属性文本
+        """
+        return self.ele(loc_or_str)
+
+    # -----------------共有属性和方法-------------------
+    @property
+    def title(self):
+        """返回网页title"""
+        ele = self._ele('xpath://title', raise_err=False)
+        return ele.text if ele else None
+
+    @property
+    def url(self):
+        """返回当前访问url"""
+        return self._url
+
+    @property
+    def _session_url(self):
+        """返回当前访问url"""
+        return self._url
+
+    @property
+    def html(self):
+        """返回页面的html文本"""
+        return self.response.text if self.response else ''
+
+    @property
+    def json(self):
+        """当返回内容是json格式时，返回对应的字典，非json格式时返回None"""
+        try:
+            return self.response.json()
+        except Exception:
+            return None
+
+    @property
+    def user_agent(self):
+        """返回user agent"""
+        return self.session.headers.get('user-agent', '')
+
+    @property
+    def session(self):
+        """返回session对象"""
+        return self._session
+
+    @property
+    def response(self):
+        """返回访问url得到的response对象"""
+        return self._response
+
+    @property
+    def set(self):
+        """返回用于等待的对象"""
+        if self._set is None:
+            self._set = SessionPageSetter(self)
+        return self._set
+
+    def get(self, url, show_errmsg=False, retry=None, interval=None, timeout=None, **kwargs):
+        """用get方式跳转到url
+        :param url: 目标url
+        :param show_errmsg: 是否显示和抛出异常
+        :param retry: 重试次数
+        :param interval: 重试间隔（秒）
+        :param timeout: 连接超时时间（秒）
+        :param kwargs: 连接参数
+        :return: url是否可用
+        """
+        return self._s_connect(url, 'get', None, show_errmsg, retry, interval, **kwargs)
+
+    def ele(self, loc_or_ele, timeout=None):
+        """返回页面中符合条件的第一个元素、属性或节点文本
+        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
+        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
+        :return: SessionElement对象或属性、文本
+        """
+        return self._ele(loc_or_ele)
+
+    def eles(self, loc_or_str, timeout=None):
+        """返回页面中所有符合条件的元素、属性或节点文本
+        :param loc_or_str: 元素的定位信息，可以是loc元组，或查询字符串
+        :param timeout: 不起实际作用，用于和ChromiumElement对应，便于无差别调用
+        :return: SessionElement对象或属性、文本组成的列表
+        """
+        return self._ele(loc_or_str, single=False)
+
+    def s_ele(self, loc_or_ele=None):
+        """返回页面中符合条件的第一个元素、属性或节点文本
+        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
+        :return: SessionElement对象或属性、文本
+        """
+        return make_session_ele(self.html) if loc_or_ele is None else self._ele(loc_or_ele)
+
+    def s_eles(self, loc_or_str):
+        """返回页面中符合条件的所有元素、属性或节点文本
+        :param loc_or_str: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
+        :return: SessionElement对象或属性、文本
+        """
+        return self._ele(loc_or_str, single=False)
+
+    def _find_elements(self, loc_or_ele, timeout=None, single=True, raise_err=None):
+        """返回页面中符合条件的元素、属性或节点文本，默认返回第一个
+        :param loc_or_ele: 元素的定位信息，可以是元素对象，loc元组，或查询字符串
+        :param timeout: 不起实际作用，用于和父类对应
+        :param single: True则返回第一个，False则返回全部
+        :param raise_err: 找不到元素是是否抛出异常，为None时根据全局设置
+        :return: SessionElement对象
+        """
+        return loc_or_ele if isinstance(loc_or_ele, SessionElement) else make_session_ele(self, loc_or_ele, single)
+
+    def get_cookies(self, as_dict=False, all_domains=False, all_info=False):
+        """返回cookies
+        :param as_dict: 是否以字典方式返回，False则以list返回
+        :param all_domains: 是否返回所有域的cookies
+        :param all_info: 是否返回所有信息，False则只返回name、value、domain
+        :return: cookies信息
+        """
+        if all_domains:
+            cookies = self.session.cookies
+        else:
+            if self.url:
+                ex_url = extract(self._session_url)
+                domain = f'{ex_url.domain}.{ex_url.suffix}' if ex_url.suffix else ex_url.domain
+
+                cookies = tuple(x for x in self.session.cookies if domain in x.domain or x.domain == '')
+            else:
+                cookies = tuple(x for x in self.session.cookies)
+
+        if as_dict:
+            return {x.name: x.value for x in cookies}
+        elif all_info:
+            return [cookie_to_dict(cookie) for cookie in cookies]
+        else:
+            r = []
+            for c in cookies:
+                c = cookie_to_dict(c)
+                r.append({'name': c['name'], 'value': c['value'], 'domain': c['domain']})
+            return r
+
+    def post(self, url, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
+        """用post方式跳转到url
+        :param url: 目标url
+        :param data: 提交的数据
+        :param show_errmsg: 是否显示和抛出异常
+        :param retry: 重试次数
+        :param interval: 重试间隔（秒）
+        :param kwargs: 连接参数
+        :return: url是否可用
+        """
+        return self._s_connect(url, 'post', data, show_errmsg, retry, interval, **kwargs)
+
+    def _s_connect(self, url, mode, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
+        """执行get或post连接
+        :param url: 目标url
+        :param mode: 'get' 或 'post'
+        :param data: 提交的数据
+        :param show_errmsg: 是否显示和抛出异常
+        :param retry: 重试次数
+        :param interval: 重试间隔（秒）
+        :param kwargs: 连接参数
+        :return: url是否可用
+        """
+        retry, interval = self._before_connect(url, retry, interval)
+        self._response, info = self._make_response(self._url, mode, data, retry, interval, show_errmsg, **kwargs)
+
+        if self._response is None:
+            self._url_available = False
+
+        else:
+            if self._response.ok:
+                self._url_available = True
+
+            else:
+                if show_errmsg:
+                    raise ConnectionError(f'状态码：{self._response.status_code}.')
+                self._url_available = False
+
+        return self._url_available
+
+    def _make_response(self, url, mode='get', data=None, retry=None, interval=None, show_errmsg=False, **kwargs):
+        """生成Response对象
+        :param url: 目标url
+        :param mode: 'get' 或 'post'
+        :param data: post方式要提交的数据
+        :param show_errmsg: 是否显示和抛出异常
+        :param kwargs: 其它参数
+        :return: tuple，第一位为Response或None，第二位为出错信息或'Success'
+        """
+        kwargs = CaseInsensitiveDict(kwargs)
+        if 'headers' not in kwargs:
+            kwargs['headers'] = {}
+        else:
+            kwargs['headers'] = CaseInsensitiveDict(kwargs['headers'])
+
+        # 设置referer和host值
+        parsed_url = urlparse(url)
+        hostname = parsed_url.hostname
+        scheme = parsed_url.scheme
+        if not check_headers(kwargs, self.session.headers, 'Referer'):
+            kwargs['headers']['Referer'] = self.url if self.url else f'{scheme}://{hostname}'
+        if 'Host' not in kwargs['headers']:
+            kwargs['headers']['Host'] = hostname
+
+        if not check_headers(kwargs, self.session.headers, 'timeout'):
+            kwargs['timeout'] = self.timeout
+
+        r = err = None
+        retry = retry if retry is not None else self.retry_times
+        interval = interval if interval is not None else self.retry_interval
+        for i in range(retry + 1):
+            try:
+                if mode == 'get':
+                    r = self.session.get(url, **kwargs)
+                elif mode == 'post':
+                    r = self.session.post(url, data=data, **kwargs)
+
+                if r:
+                    return set_charset(r), 'Success'
+
+            except Exception as e:
+                err = e
+
+            # if r and r.status_code in (403, 404):
+            #     break
+
+            if i < retry:
+                sleep(interval)
+                if show_errmsg:
+                    print(f'重试 {url}')
+
+        if r is None:
+            if show_errmsg:
+                if err:
+                    raise err
+                else:
+                    raise ConnectionError('连接失败')
+            return None, '连接失败' if err is None else err
+
+        if not r.ok:
+            if show_errmsg:
+                raise ConnectionError(f'状态码：{r.status_code}')
+            return r, f'状态码：{r.status_code}'
+
+
+def check_headers(kwargs, headers, arg):
+    """检查kwargs或headers中是否有arg所示属性"""
+    return arg in kwargs['headers'] or arg in headers
+
+
+def set_charset(response):
+    """设置Response对象的编码"""
+    # 在headers中获取编码
+    content_type = response.headers.get('content-type', '').lower()
+    if not content_type.endswith(';'):
+        content_type += ';'
+    charset = search(r'charset[=: ]*(.*)?;?', content_type)
+
+    if charset:
+        response.encoding = charset.group(1)
+
+    # 在headers中获取不到编码，且如果是网页
+    elif content_type.replace(' ', '').startswith('text/html'):
+        re_result = search(b'<meta.*?charset=[ \\\'"]*([^"\\\' />]+).*?>', response.content)
+
+        if re_result:
+            charset = re_result.group(1).decode()
+        else:
+            charset = response.apparent_encoding
+
+        response.encoding = charset
+
+    return response
diff --git a/DrissionPage/session_page.pyi b/DrissionPage/_pages/session_page.pyi
similarity index 94%
rename from DrissionPage/session_page.pyi
rename to DrissionPage/_pages/session_page.pyi
index 76bba05..145f122 100644
--- a/DrissionPage/session_page.pyi
+++ b/DrissionPage/_pages/session_page.pyi
@@ -8,11 +8,11 @@ from typing import Any, Union, Tuple, List
 from requests import Session, Response
 from requests.structures import CaseInsensitiveDict
 
-from .base import BasePage
-from .commons.constants import NoneElement
-from .configs.session_options import SessionOptions
-from .session_element import SessionElement
-from .setter import SessionPageSetter
+from DrissionPage._base.base import BasePage
+from DrissionPage._commons.constants import NoneElement
+from DrissionPage._configs.session_options import SessionOptions
+from DrissionPage._elements.session_element import SessionElement
+from DrissionPage._units.setter import SessionPageSetter
 
 
 class SessionPage(BasePage):
diff --git a/DrissionPage/web_page.py b/DrissionPage/_pages/web_page.py
similarity index 97%
rename from DrissionPage/web_page.py
rename to DrissionPage/_pages/web_page.py
index 05dd9f5..058ad99 100644
--- a/DrissionPage/web_page.py
+++ b/DrissionPage/_pages/web_page.py
@@ -3,13 +3,13 @@
 @Author  :   g1879
 @Contact :   g1879@qq.com
 """
-from .base import BasePage
-from .chromium_page import ChromiumPage
-from .chromium_tab import WebPageTab
-from .commons.web import set_session_cookies, set_browser_cookies
-from .configs.chromium_options import ChromiumOptions
+from DrissionPage._base.base import BasePage
+from DrissionPage._commons.web import set_session_cookies, set_browser_cookies
+from DrissionPage._configs.chromium_options import ChromiumOptions
+from DrissionPage._pages.chromium_page import ChromiumPage
+from DrissionPage._pages.chromium_tab import WebPageTab
+from DrissionPage._units.setter import WebPageSetter
 from .session_page import SessionPage
-from .setter import WebPageSetter
 
 
 class WebPage(SessionPage, ChromiumPage, BasePage):
diff --git a/DrissionPage/web_page.pyi b/DrissionPage/_pages/web_page.pyi
similarity index 94%
rename from DrissionPage/web_page.pyi
rename to DrissionPage/_pages/web_page.pyi
index a70dc0e..de706f9 100644
--- a/DrissionPage/web_page.pyi
+++ b/DrissionPage/_pages/web_page.pyi
@@ -5,20 +5,19 @@
 """
 from typing import Union, Tuple, List, Any
 
-from DownloadKit import DownloadKit
 from requests import Session, Response
 
-from .base import BasePage
-from .chromium_driver import ChromiumDriver
-from .chromium_element import ChromiumElement
+from ._base import BasePage
+from ._chromium_driver import ChromiumDriver
+from ._chromium_element import ChromiumElement
 from .chromium_frame import ChromiumFrame
 from .chromium_page import ChromiumPage
 from .chromium_tab import WebPageTab
-from .configs.chromium_options import ChromiumOptions
-from .configs.session_options import SessionOptions
-from .session_element import SessionElement
+from ._configs.chromium_options import ChromiumOptions
+from ._configs.session_options import SessionOptions
+from ._session_element import SessionElement
 from .session_page import SessionPage
-from .setter import WebPageSetter
+from ._units.setter import WebPageSetter
 
 
 class WebPage(SessionPage, ChromiumPage, BasePage):
diff --git a/DrissionPage/action_chains.py b/DrissionPage/_units/action_chains.py
similarity index 98%
rename from DrissionPage/action_chains.py
rename to DrissionPage/_units/action_chains.py
index 0b5724a..fd733ce 100644
--- a/DrissionPage/action_chains.py
+++ b/DrissionPage/_units/action_chains.py
@@ -5,8 +5,8 @@
 """
 from time import sleep
 
-from .commons.keys import modifierBit, keyDescriptionForString
-from .commons.web import location_in_viewport
+from DrissionPage._commons.keys import modifierBit, keyDescriptionForString
+from DrissionPage._commons.web import location_in_viewport
 
 
 class ActionChains:
diff --git a/DrissionPage/action_chains.pyi b/DrissionPage/_units/action_chains.pyi
similarity index 92%
rename from DrissionPage/action_chains.pyi
rename to DrissionPage/_units/action_chains.pyi
index ca6061a..83163dd 100644
--- a/DrissionPage/action_chains.pyi
+++ b/DrissionPage/_units/action_chains.pyi
@@ -5,10 +5,9 @@
 """
 from typing import Union, Tuple
 
-from .chromium_base import ChromiumBase
-from .chromium_driver import ChromiumDriver
-from .chromium_element import ChromiumElement
-from .chromium_page import ChromiumPage
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._pages.chromium_base import ChromiumBase
 
 
 class ActionChains:
diff --git a/DrissionPage/browser_download_manager.py b/DrissionPage/_units/browser_download_manager.py
similarity index 99%
rename from DrissionPage/browser_download_manager.py
rename to DrissionPage/_units/browser_download_manager.py
index 2d6cba5..546076d 100644
--- a/DrissionPage/browser_download_manager.py
+++ b/DrissionPage/_units/browser_download_manager.py
@@ -4,7 +4,7 @@ from pathlib import Path
 from shutil import move
 from time import sleep, perf_counter
 
-from .commons.tools import get_usable_path
+from DrissionPage._commons.tools import get_usable_path
 
 
 class BrowserDownloadManager(object):
diff --git a/DrissionPage/browser_download_manager.pyi b/DrissionPage/_units/browser_download_manager.pyi
similarity index 95%
rename from DrissionPage/browser_download_manager.pyi
rename to DrissionPage/_units/browser_download_manager.pyi
index 6a9a434..0d4b266 100644
--- a/DrissionPage/browser_download_manager.pyi
+++ b/DrissionPage/_units/browser_download_manager.pyi
@@ -1,8 +1,8 @@
 from pathlib import Path
 from typing import Dict, Optional, Union
 
-from .browser import Browser
-from .chromium_page import ChromiumPage
+from DrissionPage._base.browser import Browser
+from DrissionPage._pages.chromium_page import ChromiumPage
 
 
 class BrowserDownloadManager(object):
diff --git a/DrissionPage/network_listener.py b/DrissionPage/_units/network_listener.py
similarity index 99%
rename from DrissionPage/network_listener.py
rename to DrissionPage/_units/network_listener.py
index ee11c08..220b0d0 100644
--- a/DrissionPage/network_listener.py
+++ b/DrissionPage/_units/network_listener.py
@@ -1,4 +1,8 @@
 # -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 from base64 import b64decode
 from json import JSONDecodeError, loads
 from queue import Queue
@@ -8,7 +12,7 @@ from time import perf_counter, sleep
 
 from requests.structures import CaseInsensitiveDict
 
-from .errors import CDPError
+from DrissionPage.errors import CDPError
 
 
 class NetworkListener(object):
diff --git a/DrissionPage/network_listener.pyi b/DrissionPage/_units/network_listener.pyi
similarity index 95%
rename from DrissionPage/network_listener.pyi
rename to DrissionPage/_units/network_listener.pyi
index 76c5e72..3472032 100644
--- a/DrissionPage/network_listener.pyi
+++ b/DrissionPage/_units/network_listener.pyi
@@ -1,10 +1,15 @@
+# -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 from queue import Queue
 from typing import Union, Dict, List, Iterable, Tuple
 
 from requests.structures import CaseInsensitiveDict
 
-from chromium_base import ChromiumBase
-from chromium_driver import ChromiumDriver
+from DrissionPage._base.chromium_driver import ChromiumDriver
+from DrissionPage._pages.chromium_base import ChromiumBase
 
 
 class NetworkListener(object):
diff --git a/DrissionPage/setter.py b/DrissionPage/_units/setter.py
similarity index 99%
rename from DrissionPage/setter.py
rename to DrissionPage/_units/setter.py
index 3decfca..94f2262 100644
--- a/DrissionPage/setter.py
+++ b/DrissionPage/_units/setter.py
@@ -7,8 +7,8 @@ from pathlib import Path
 
 from requests.structures import CaseInsensitiveDict
 
-from .commons.tools import show_or_hide_browser
-from .commons.web import set_browser_cookies, set_session_cookies
+from DrissionPage._commons.tools import show_or_hide_browser
+from DrissionPage._commons.web import set_browser_cookies, set_session_cookies
 
 
 class ChromiumBaseSetter(object):
diff --git a/DrissionPage/setter.pyi b/DrissionPage/_units/setter.pyi
similarity index 92%
rename from DrissionPage/setter.pyi
rename to DrissionPage/_units/setter.pyi
index 0ed4134..994ad87 100644
--- a/DrissionPage/setter.pyi
+++ b/DrissionPage/_units/setter.pyi
@@ -11,13 +11,13 @@ from requests.adapters import HTTPAdapter
 from requests.auth import HTTPBasicAuth
 from requests.cookies import RequestsCookieJar
 
-from .chromium_base import ChromiumBase, ChromiumPageScroll
-from .chromium_element import ChromiumElement
-from .chromium_frame import ChromiumFrame
-from .chromium_page import ChromiumPage
-from .chromium_tab import ChromiumTab
-from .session_page import SessionPage
-from .web_page import WebPage
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._pages.chromium_base import ChromiumBase, ChromiumPageScroll
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.chromium_page import ChromiumPage
+from DrissionPage._pages.chromium_tab import ChromiumTab
+from DrissionPage._pages.session_page import SessionPage
+from DrissionPage._pages.web_page import WebPage
 
 FILE_EXISTS = Literal['skip', 'rename', 'overwrite', 's', 'r', 'o']
 
diff --git a/DrissionPage/waiter.py b/DrissionPage/_units/waiter.py
similarity index 99%
rename from DrissionPage/waiter.py
rename to DrissionPage/_units/waiter.py
index 71dfc46..06a98f8 100644
--- a/DrissionPage/waiter.py
+++ b/DrissionPage/_units/waiter.py
@@ -1,8 +1,8 @@
 # -*- coding:utf-8 -*-
 from time import sleep, perf_counter
 
-from .commons.constants import Settings
-from .errors import WaitTimeoutError
+from DrissionPage._commons.constants import Settings
+from DrissionPage.errors import WaitTimeoutError
 
 
 class ChromiumBaseWaiter(object):
diff --git a/DrissionPage/waiter.pyi b/DrissionPage/_units/waiter.pyi
similarity index 93%
rename from DrissionPage/waiter.pyi
rename to DrissionPage/_units/waiter.pyi
index 823ee3b..a05a921 100644
--- a/DrissionPage/waiter.pyi
+++ b/DrissionPage/_units/waiter.pyi
@@ -5,11 +5,11 @@
 """
 from typing import Union
 
+from DrissionPage._elements.chromium_element import ChromiumElement
+from DrissionPage._pages.chromium_base import ChromiumBase
+from DrissionPage._pages.chromium_frame import ChromiumFrame
+from DrissionPage._pages.chromium_page import ChromiumPage
 from .browser_download_manager import DownloadMission
-from .chromium_base import ChromiumBase
-from .chromium_element import ChromiumElement
-from .chromium_frame import ChromiumFrame
-from .chromium_page import ChromiumPage
 
 
 class ChromiumBaseWaiter(object):
diff --git a/DrissionPage/common.py b/DrissionPage/common.py
index f1225cc..2c67c17 100644
--- a/DrissionPage/common.py
+++ b/DrissionPage/common.py
@@ -6,9 +6,9 @@
 """
 from FlowViewer import Listener, RequestMan
 
-from .session_element import make_session_ele
+from ._elements.session_element import make_session_ele
 
-from .action_chains import ActionChains
-from .commons.keys import Keys
-from .commons.by import By
-from .commons.constants import Settings
+from ._units.action_chains import ActionChains
+from ._commons.keys import Keys
+from ._commons.by import By
+from ._commons.constants import Settings
diff --git a/DrissionPage/common.pyi b/DrissionPage/common.pyi
index 54677db..f1d57c4 100644
--- a/DrissionPage/common.pyi
+++ b/DrissionPage/common.pyi
@@ -1,7 +1,10 @@
 # -*- coding:utf-8 -*-
-from .session_element import make_session_ele as make_session_ele
-
-from .action_chains import ActionChains as ActionChains
-from .commons.keys import Keys as Keys
-from .commons.by import By as By
-from .commons.constants import Settings as Settings
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
+from ._commons.by import By as By
+from ._commons.constants import Settings as Settings
+from ._commons.keys import Keys as Keys
+from ._elements.session_element import make_session_ele as make_session_ele
+from ._units.action_chains import ActionChains as ActionChains
diff --git a/DrissionPage/easy_set.py b/DrissionPage/easy_set.py
index 7ed75a7..c70cb68 100644
--- a/DrissionPage/easy_set.py
+++ b/DrissionPage/easy_set.py
@@ -7,8 +7,8 @@ from os import popen
 from pathlib import Path
 from re import search
 
-from .configs.chromium_options import ChromiumOptions
-from .configs.options_manage import OptionsManager
+from ._configs.chromium_options import ChromiumOptions
+from ._configs.options_manage import OptionsManager
 
 
 def configs_to_here(save_name=None):
diff --git a/DrissionPage/errors.py b/DrissionPage/errors.py
index 7bab148..589fb95 100644
--- a/DrissionPage/errors.py
+++ b/DrissionPage/errors.py
@@ -1,4 +1,8 @@
 # -*- coding:utf-8 -*-
+"""
+@Author  :   g1879
+@Contact :   g1879@qq.com
+"""
 
 
 class BaseError(Exception):