diff --git a/.gitignore b/.gitignore
index c0ca475b..27bda904 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,6 @@ test.py
 itchat.pkl
 QR.jpg
 .DS_Store
+venv/*
+.idea/*
+.vscode/*
\ No newline at end of file
diff --git a/README.md b/README.md
index 75767d9b..bb3e5f83 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,16 @@ itchat是一个开源的微信个人号接口，使用python调用微信从未
 
 如今微信已经成为了个人社交的很大一部分，希望这个项目能够帮助你扩展你的个人的微信号、方便自己的生活。
 
+
+
+## 安装 UOS Patch
+
+暂时请通过github安装
+
+```
+pip3 install git+https://github.com/luvletter2333/ItChat.git
+```
+
 ## 安装
 
 可以通过本命令安装itchat：
diff --git a/itchat/components/login.py b/itchat/components/login.py
index c1fb0391..5c725b76 100644
--- a/itchat/components/login.py
+++ b/itchat/components/login.py
@@ -19,6 +19,7 @@
 
 logger = logging.getLogger('itchat')
 
+
 def load_login(core):
     core.login             = login
     core.get_QRuuid        = get_QRuuid
@@ -30,6 +31,7 @@ def load_login(core):
     core.get_msg           = get_msg
     core.logout            = logout
 
+
 def login(self, enableCmdQR=False, picDir=None, qrCallback=None,
         loginCallback=None, exitCallback=None):
     if self.alive or self.isLogging:
@@ -97,7 +99,9 @@ def get_QRuuid(self):
     url = '%s/jslogin' % config.BASE_URL
     params = {
         'appid' : 'wx782c26e4c19acffb',
-        'fun'   : 'new', }
+        'fun'   : 'new',
+        'redirect_uri' : 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?mod=desktop',
+        'lang'  : 'zh_CN' }
     headers = { 'User-Agent' : config.USER_AGENT }
     r = self.s.get(url, params=params, headers=headers)
     regx = r'window.QRLogin.code = (\d+); window.QRLogin.uuid = "(\S+?)";'
@@ -151,7 +155,11 @@ def process_login_info(core, loginContent):
     '''
     regx = r'window.redirect_uri="(\S+)";'
     core.loginInfo['url'] = re.search(regx, loginContent).group(1)
-    headers = { 'User-Agent' : config.USER_AGENT }
+    headers = { 'User-Agent' : config.USER_AGENT,
+                'client-version' : config.UOS_PATCH_CLIENT_VERSION,
+                'extspam' : config.UOS_PATCH_EXTSPAM,
+                'referer' : 'https://wx.qq.com/?&lang=zh_CN&target=t'
+              }
     r = core.s.get(core.loginInfo['url'], headers=headers, allow_redirects=False)
     core.loginInfo['url'] = core.loginInfo['url'][:core.loginInfo['url'].rfind('/')]
     for indexUrl, detailedUrl in (
@@ -170,15 +178,24 @@ def process_login_info(core, loginContent):
     core.loginInfo['deviceid'] = 'e' + repr(random.random())[2:17]
     core.loginInfo['logintime'] = int(time.time() * 1e3)
     core.loginInfo['BaseRequest'] = {}
-    for node in xml.dom.minidom.parseString(r.text).documentElement.childNodes:
-        if node.nodeName == 'skey':
-            core.loginInfo['skey'] = core.loginInfo['BaseRequest']['Skey'] = node.childNodes[0].data
-        elif node.nodeName == 'wxsid':
-            core.loginInfo['wxsid'] = core.loginInfo['BaseRequest']['Sid'] = node.childNodes[0].data
-        elif node.nodeName == 'wxuin':
-            core.loginInfo['wxuin'] = core.loginInfo['BaseRequest']['Uin'] = node.childNodes[0].data
-        elif node.nodeName == 'pass_ticket':
-            core.loginInfo['pass_ticket'] = core.loginInfo['BaseRequest']['DeviceID'] = node.childNodes[0].data
+    cookies = core.s.cookies.get_dict()
+    core.loginInfo['skey'] = core.loginInfo['BaseRequest']['Skey'] = ""
+    core.loginInfo['wxsid'] = core.loginInfo['BaseRequest']['Sid'] = cookies["wxsid"]
+    core.loginInfo['wxuin'] = core.loginInfo['BaseRequest']['Uin'] = cookies["wxuin"]
+    core.loginInfo['pass_ticket'] = core.loginInfo['BaseRequest']['DeviceID'] = core.loginInfo['deviceid']
+    # A question : why pass_ticket == DeviceID ?
+    #               deviceID is only a randomly generated number
+
+    # UOS PATCH By luvletter2333, Sun Feb 28 10:00 PM
+    # for node in xml.dom.minidom.parseString(r.text).documentElement.childNodes:
+    #     if node.nodeName == 'skey':
+    #         core.loginInfo['skey'] = core.loginInfo['BaseRequest']['Skey'] = node.childNodes[0].data
+    #     elif node.nodeName == 'wxsid':
+    #         core.loginInfo['wxsid'] = core.loginInfo['BaseRequest']['Sid'] = node.childNodes[0].data
+    #     elif node.nodeName == 'wxuin':
+    #         core.loginInfo['wxuin'] = core.loginInfo['BaseRequest']['Uin'] = node.childNodes[0].data
+    #     elif node.nodeName == 'pass_ticket':
+    #         core.loginInfo['pass_ticket'] = core.loginInfo['BaseRequest']['DeviceID'] = node.childNodes[0].data
     if not all([key in core.loginInfo for key in ('skey', 'wxsid', 'wxuin', 'pass_ticket')]):
         logger.error('Your wechat account may be LIMITED to log in WEB wechat, error info:\n%s' % r.text)
         core.isLogging = False
diff --git a/itchat/config.py b/itchat/config.py
index 36ca488b..1a78ac63 100644
--- a/itchat/config.py
+++ b/itchat/config.py
@@ -1,6 +1,6 @@
 import os, platform
 
-VERSION = '1.3.10'
+VERSION = '1.4.0'
 BASE_URL = 'https://login.weixin.qq.com'
 OS = platform.system() # Windows, Linux, Darwin
 DIR = os.getcwd()
@@ -8,3 +8,6 @@
 TIMEOUT = (10, 60)
 
 USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36'
+
+UOS_PATCH_CLIENT_VERSION = '2.0.0'
+UOS_PATCH_EXTSPAM = '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'
\ No newline at end of file
diff --git a/itchat/utils.py b/itchat/utils.py
index e217368c..dd73b4d4 100644
--- a/itchat/utils.py
+++ b/itchat/utils.py
@@ -18,6 +18,10 @@
 
 emojiRegex = re.compile(r'<span class="emoji emoji(.{1,10})"></span>')
 htmlParser = HTMLParser()
+if not hasattr(htmlParser, 'unescape'):
+    import html
+    htmlParser.unescape = html.unescape
+    # FIX Python 3.9 HTMLParser.unescape is removed. See https://docs.python.org/3.9/whatsnew/3.9.html
 try:
     b = u'\u2588'
     sys.stdout.write(b + '\r')
@@ -71,7 +75,7 @@ def _emoji_formatter(m):
 def msg_formatter(d, k):
     emoji_formatter(d, k)
     d[k] = d[k].replace('<br/>', '\n')
-    d[k]  = htmlParser.unescape(d[k])
+    d[k] = htmlParser.unescape(d[k])
 
 def check_file(fileDir):
     try: