diff --git a/DrissionPage/common.py b/DrissionPage/common.py
index 4a5de9b..3a7f594 100644
--- a/DrissionPage/common.py
+++ b/DrissionPage/common.py
@@ -4,10 +4,10 @@
 @Contact :   g1879@qq.com
 @File    :   common.py
 """
-import re
-import shutil
 from abc import abstractmethod
 from pathlib import Path
+from re import split as re_SPLIT
+from shutil import rmtree
 from typing import Union
 
 from requests_html import Element
@@ -93,7 +93,7 @@ def get_loc_from_str(loc: str) -> tuple:
     """
     loc_by = 'xpath'
     if loc.startswith('@'):  # 根据属性查找
-        r = re.split(r'([:=])', loc[1:], maxsplit=1)
+        r = re_SPLIT(r'([:=])', loc[1:], maxsplit=1)
         if len(r) == 3:
             mode = 'exact' if r[1] == '=' else 'fuzzy'
             loc_str = _make_xpath_str('*', f'@{r[0]}', r[2], mode)
@@ -104,7 +104,7 @@ def get_loc_from_str(loc: str) -> tuple:
             loc_str = f'//*[name()="{loc[4:]}"]'
         else:
             at_lst = loc[4:].split('@', maxsplit=1)
-            r = re.split(r'([:=])', at_lst[1], maxsplit=1)
+            r = re_SPLIT(r'([:=])', at_lst[1], maxsplit=1)
             if len(r) == 3:
                 mode = 'exact' if r[1] == '=' else 'fuzzy'
                 arg_str = r[0] if r[0] == 'text()' else f'@{r[0]}'
@@ -223,4 +223,4 @@ def clean_folder(folder_path: str, ignore: list = None) -> None:
             if f.is_file():
                 f.unlink()
             elif f.is_dir():
-                shutil.rmtree(f, True)
+                rmtree(f, True)
diff --git a/DrissionPage/drission.py b/DrissionPage/drission.py
index b4631f5..931c291 100644
--- a/DrissionPage/drission.py
+++ b/DrissionPage/drission.py
@@ -7,13 +7,13 @@
 from typing import Union
 from urllib.parse import urlparse
 
-import tldextract
 from requests import Session
 from requests_html import HTMLSession
 from selenium import webdriver
 from selenium.common.exceptions import WebDriverException
 from selenium.webdriver.chrome.options import Options
 from selenium.webdriver.chrome.webdriver import WebDriver
+from tldextract import extract
 
 from .config import _dict_to_chrome_options, OptionsManager, _chrome_options_to_dict
 
@@ -182,7 +182,7 @@ class Drission(object):
 
         cookie_domain = cookie['domain'] if cookie['domain'][0] != '.' else cookie['domain'][1:]
         try:
-            browser_domain = tldextract.extract(driver.current_url).fqdn
+            browser_domain = extract(driver.current_url).fqdn
         except AttributeError:
             browser_domain = ''
         if cookie_domain not in browser_domain:
@@ -194,7 +194,7 @@ class Drission(object):
 
         # 如果添加失败，尝试更宽的域名
         if not self._is_cookie_in_driver(cookie, driver):
-            cookie['domain'] = tldextract.extract(cookie['domain']).registered_domain
+            cookie['domain'] = extract(cookie['domain']).registered_domain
             driver.add_cookie(cookie)
             if not self._is_cookie_in_driver(cookie):
                 raise WebDriverException(f"Couldn't add the following cookie to the webdriver\n{cookie}\n")
diff --git a/DrissionPage/session_page.py b/DrissionPage/session_page.py
index 5a28bb0..9170cce 100644
--- a/DrissionPage/session_page.py
+++ b/DrissionPage/session_page.py
@@ -4,10 +4,11 @@
 @Contact :   g1879@qq.com
 @File    :   session_page.py
 """
-import os
-import re
+from os import path as os_PATH
 from pathlib import Path
 from random import randint
+from re import search as re_SEARCH
+from re import sub as re_SUB
 from time import time
 from typing import Union, List
 from urllib.parse import urlparse, quote
@@ -209,14 +210,14 @@ class SessionPage(object):
         # header里有文件名，则使用它，否则在url里截取，但不能保证url包含文件名
         if 'Content-disposition' in r.headers:
             file_name = r.headers['Content-disposition'].split('"')[1].encode('ISO-8859-1').decode('utf-8')
-        elif os.path.basename(file_url):
-            file_name = os.path.basename(file_url).split("?")[0]
+        elif os_PATH.basename(file_url):
+            file_name = os_PATH.basename(file_url).split("?")[0]
         else:
             file_name = f'untitled_{time()}_{randint(0, 100)}'
 
-        file_name = re.sub(r'[\\/*:|<>?"]', '', file_name).strip()
+        file_name = re_SUB(r'[\\/*:|<>?"]', '', file_name).strip()
         if rename:  # 重命名文件，不改变扩展名
-            rename = re.sub(r'[\\/*:|<>?"]', '', rename).strip()
+            rename = re_SUB(r'[\\/*:|<>?"]', '', rename).strip()
             ext_name = file_name.split('.')[-1]
             if rename.lower().endswith(f'.{ext_name}'.lower()) or ext_name == file_name:
                 full_name = rename
@@ -228,7 +229,7 @@ class SessionPage(object):
         goal_Path = Path(goal_path)
         goal_path = ''
         for key, i in enumerate(goal_Path.parts):  # 去除路径中的非法字符
-            goal_path += goal_Path.drive if key == 0 and goal_Path.drive else re.sub(r'[*:|<>?"]', '', i).strip()
+            goal_path += goal_Path.drive if key == 0 and goal_Path.drive else re_SUB(r'[*:|<>?"]', '', i).strip()
             goal_path += '\\' if i != '\\' and key < len(goal_Path.parts) - 1 else ''
 
         goal_Path = Path(goal_path)
@@ -319,7 +320,7 @@ class SessionPage(object):
         else:
             headers = dict(r.headers)
             if 'Content-Type' not in headers or 'charset' not in headers['Content-Type']:
-                re_result = re.search(r'<meta.*?charset=[ \'"]*([^"\' />]+).*?>', r.text)
+                re_result = re_SEARCH(r'<meta.*?charset=[ \'"]*([^"\' />]+).*?>', r.text)
                 try:
                     charset = re_result.group(1)
                 except: