diff --git a/DrissionPage/_base/browser.py b/DrissionPage/_base/browser.py
index 4c7aee0..1d814cb 100644
--- a/DrissionPage/_base/browser.py
+++ b/DrissionPage/_base/browser.py
@@ -84,8 +84,9 @@ class Browser(object):
     @property
     def tabs(self):
         """返回所有标签页id组成的列表"""
-        j = self._driver.get(f'http://{self.address}/json').json()  # 不要改用cdp
-        return [i['id'] for i in j if i['type'] == 'page']
+        # j = self._driver.get(f'http://{self.address}/json').json()  # 不要改用cdp
+        j = self.run_cdp('Target.getTargets')['targetInfos']
+        return [i['targetId'] for i in j if i['type'] == 'page']
 
     @property
     def process_id(self):
diff --git a/DrissionPage/_base/chromium_driver.pyi b/DrissionPage/_base/chromium_driver.pyi
index 378879b..fac8ab5 100644
--- a/DrissionPage/_base/chromium_driver.pyi
+++ b/DrissionPage/_base/chromium_driver.pyi
@@ -7,6 +7,7 @@ from queue import Queue
 from threading import Thread, Event
 from typing import Union, Callable, Dict, Optional
 
+from requests import Response
 from websocket import WebSocket
 
 
@@ -57,3 +58,5 @@ class ChromiumDriver(object):
 
 class BrowserDriver(ChromiumDriver):
     BROWSERS: Dict[str, ChromiumDriver] = ...
+
+    def get(self, url) -> Response: ...
diff --git a/DrissionPage/_commons/web.py b/DrissionPage/_commons/web.py
index 5a438f3..543d222 100644
--- a/DrissionPage/_commons/web.py
+++ b/DrissionPage/_commons/web.py
@@ -54,7 +54,7 @@ def get_ele_txt(e):
                     if sub('[ \n\t\r]', '', el) != '':  # 字符除了回车和空格还有其它内容
                         txt = el
                         if not pre:
-                            txt = txt.replace('\n', ' ').strip(' ')
+                            txt = txt.replace('\r\n', ' ').replace('\n', ' ').strip(' ')
                             txt = sub(r' {2,}', ' ', txt)
                         str_list.append(txt)
 
diff --git a/DrissionPage/_pages/chromium_page.py b/DrissionPage/_pages/chromium_page.py
index 467ae1c..2017eee 100644
--- a/DrissionPage/_pages/chromium_page.py
+++ b/DrissionPage/_pages/chromium_page.py
@@ -264,6 +264,7 @@ class ChromiumPage(ChromiumBase):
 
         for tab in tabs:
             self.browser.close_tab(tab)
+            sleep(.2)
         while len(self.tabs) != end_len:
             sleep(.1)
 
diff --git a/DrissionPage/_units/network_listener.py b/DrissionPage/_units/network_listener.py
index cd87112..9732330 100644
--- a/DrissionPage/_units/network_listener.py
+++ b/DrissionPage/_units/network_listener.py
@@ -203,7 +203,7 @@ class NetworkListener(object):
             if ((self._is_regex and search(target, kwargs['request']['url'])) or
                 (not self._is_regex and target in kwargs['request']['url'])) and (
                     not self._method or kwargs['request']['method'] in self._method):
-                p = self._request_ids.setdefault(rid, DataPacket(self._page.tab_id, None))
+                p = self._request_ids.setdefault(rid, DataPacket(self._page.tab_id, target))
                 p._raw_request = kwargs
                 if kwargs['request'].get('hasPostData', None) and not kwargs['request'].get('postData', None):
                     p._raw_post_data = self._driver.call_method('Network.getRequestPostData', requestId=rid)['postData']
@@ -220,7 +220,9 @@ class NetworkListener(object):
             request._resource_type = kwargs['type']
 
     def _responseReceivedExtraInfo(self, **kwargs):
-        self._extra_info_ids[kwargs['requestId']]['response'] = kwargs
+        r = self._extra_info_ids.get(kwargs['requestId'])
+        if r:
+            r['response'] = kwargs
 
     def _loading_finished(self, **kwargs):
         """请求完成时处理方法"""
diff --git a/setup.py b/setup.py
index 24c2142..780d1d4 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@ with open("README.md", "r", encoding='utf-8') as fh:
 
 setup(
     name="DrissionPage",
-    version="4.0.0b4",
+    version="4.0.0b5",
     author="g1879",
     author_email="g1879@qq.com",
     description="Python based web automation tool. It can control the browser and send and receive data packets.",