diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index ce59302..5d6762d 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -12,4 +12,4 @@ from ._pages.chromium_page import ChromiumPage
 from ._pages.session_page import SessionPage
 from ._pages.web_page import WebPage
 
-__version__ = '4.1.0.11'
+__version__ = '4.1.0.12'
diff --git a/DrissionPage/_base/chromium.py b/DrissionPage/_base/chromium.py
index e89d88b..abf6b57 100644
--- a/DrissionPage/_base/chromium.py
+++ b/DrissionPage/_base/chromium.py
@@ -294,7 +294,7 @@ class Chromium(object):
             rmtree(path, True)
 
     def _new_tab(self, mix=True, url=None, new_window=False, background=False, new_context=False):
-        obj = MixTab if mix else ChromiumTab
+        tab_type = MixTab if mix else ChromiumTab
         tab = None
         if new_context:
             tab = self._run_cdp('Target.createBrowserContext')['browserContextId']
@@ -308,12 +308,12 @@ class Chromium(object):
             kwargs['browserContextId'] = tab
 
         if self.states.is_incognito:
-            return _new_tab_by_js(self, url, obj, new_window)
+            return _new_tab_by_js(self, url, tab_type, new_window)
         else:
             try:
                 tab = self._run_cdp('Target.createTarget', **kwargs)['targetId']
             except CDPError:
-                return _new_tab_by_js(self, url, obj, new_window)
+                return _new_tab_by_js(self, url, tab_type, new_window)
 
         while self.states.is_alive:
             if tab in self._drivers:
@@ -321,7 +321,7 @@ class Chromium(object):
             sleep(.1)
         else:
             raise BrowserConnectError('浏览器已关闭')
-        tab = obj(self, tab)
+        tab = tab_type(self, tab)
         if url:
             tab.get(url)
         return tab
@@ -484,8 +484,8 @@ def run_browser(chromium_options):
     return is_headless, browser_id, is_exists
 
 
-def _new_tab_by_js(browser: Chromium, url, obj, new_window):
-    mix = isinstance(obj, MixTab)
+def _new_tab_by_js(browser: Chromium, url, tab_type, new_window):
+    mix = tab_type == MixTab
     tab = browser._get_tab(mix=mix)
     if url and not match(r'^.*?://.*', url):
         raise ValueError(f'url也许需要加上http://？')
diff --git a/DrissionPage/_pages/chromium_base.py b/DrissionPage/_pages/chromium_base.py
index 685caa1..cf807be 100644
--- a/DrissionPage/_pages/chromium_base.py
+++ b/DrissionPage/_pages/chromium_base.py
@@ -673,11 +673,11 @@ class ChromiumBase(BasePage):
         self._get_document()
 
     def handle_alert(self, accept=True, send=None, timeout=None, next_one=False):
-        r = self._handle_alert(accept=accept, send=send, timeout=timeout, next_one=next_one)
         if not isinstance(accept, bool):
-            return r
+            return self._handle_alert(accept=accept, send=send, timeout=timeout, next_one=next_one)
+        r = self._handle_alert(accept=accept, send=send, timeout=timeout, next_one=next_one)
         while self._has_alert:
-            sleep(.1)
+            sleep(.0001)
         return r
 
     def _handle_alert(self, accept=True, send=None, timeout=None, next_one=False):
diff --git a/DrissionPage/_pages/chromium_base.pyi b/DrissionPage/_pages/chromium_base.pyi
index 335f5ee..b7bc592 100644
--- a/DrissionPage/_pages/chromium_base.pyi
+++ b/DrissionPage/_pages/chromium_base.pyi
@@ -573,7 +573,10 @@ class ChromiumBase(BasePage):
         """
         ...
 
-    def handle_alert(self, accept: Optional[bool] = True, send: str = None, timeout: float = None,
+    def handle_alert(self,
+                     accept: Optional[bool] = True,
+                     send: str = None,
+                     timeout: float = None,
                      next_one: bool = False) -> Union[str, False]:
         """处理提示框，可以自动等待提示框出现
         :param accept: True表示确认，False表示取消，为None不会按按钮但依然返回文本值
@@ -584,7 +587,10 @@ class ChromiumBase(BasePage):
         """
         ...
 
-    def _handle_alert(self, accept: bool = True, send: str = None, timeout: float = None,
+    def _handle_alert(self,
+                      accept: Optional[bool] = True,
+                      send: str = None,
+                      timeout: float = None,
                       next_one: bool = False) -> Union[str, False]:
         """处理提示框，可以自动等待提示框出现
         :param accept: True表示确认，False表示取消，其它值不会按按钮但依然返回文本值
diff --git a/requirements.txt b/requirements.txt
index 5706df4..3713b42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ cssselect
 DownloadKit>=2.0.5
 websocket-client
 click
-tldextract
+tldextract>=3.4.4
 psutil
\ No newline at end of file
diff --git a/setup.py b/setup.py
index b846836..5e7b984 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ setup(
         'DownloadKit>=2.0.5',
         'websocket-client',
         'click',
-        'tldextract',
+        'tldextract>=3.4.4',
         'psutil'
     ],
     classifiers=[