diff --git a/README.md b/README.md
index 79650fd9..6d3c0265 100644
--- a/README.md
+++ b/README.md
@@ -202,6 +202,11 @@ pip3 install --upgrade openai
 ```
 注：`itchat-uos`使用指定版本1.5.0.dev0，`openai`使用最新版本，需高于0.27.0。
 
+**修复 itchat-uos bug**
+···
+bash fix-itchat.sh
+···
+
 
 **配置项说明：**
 
@@ -475,3 +480,8 @@ pip3 install PyJWT flask
 本地运行：`python3 app.py`运行后访问 `http://127.0.0.1:80`
 
 服务器运行：部署后访问 `http://公网域名或IP:端口`
+
+**允许无密码访问**
+```
+bash ./allow-http-nopassword.sh
+```
diff --git a/allow-http-nopassword.sh b/allow-http-nopassword.sh
new file mode 100644
index 00000000..7dcee0aa
--- /dev/null
+++ b/allow-http-nopassword.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -x
+
+# @see https://stackoverflow.com/questions/30003570/how-to-use-gnu-sed-on-mac-os-10-10-brew-install-default-names-no-longer-su
+# @see https://www.cnblogs.com/fnlingnzb-learner/p/10657285.html
+cmd=sed
+if [ "$(uname)" == "Darwin" ];then
+  brew install gnu-sed
+  cmd=gsed
+fi
+
+echo "current sed command is: $cmd"
+
+echo "allow http nopasword"
+$cmd -i "s/\"http_auth_password\": \".*\"/\"http_auth_password\": \"\"/" config.json 
diff --git a/app.py b/app.py
index d555e053..6a047a6d 100644
--- a/app.py
+++ b/app.py
@@ -3,12 +3,18 @@
 import config
 from channel import channel_factory
 from common import log
+import os
 
 if __name__ == '__main__':
     try:
         # load config
         config.load_config()
 
+        proxy = config.conf().get("model").get("openai").get("proxy")
+        if proxy:
+            os.environ['http_proxy'] = proxy
+            os.environ['https_proxy'] = proxy
+
         model_type = config.conf().get("model").get("type")
         channel_type = config.conf().get("channel").get("type")
 
diff --git a/channel/channel_factory.py b/channel/channel_factory.py
index 186d4458..7b53e803 100644
--- a/channel/channel_factory.py
+++ b/channel/channel_factory.py
@@ -46,4 +46,4 @@ def create_channel(channel_type):
         return HttpChannel()
 
     else:
-        raise RuntimeError
+        raise RuntimeError("unknown channel_type in config.json: " + channel_type)
diff --git a/channel/http/auth.py b/channel/http/auth.py
index 67b2ec40..3e2756aa 100644
--- a/channel/http/auth.py
+++ b/channel/http/auth.py
@@ -83,6 +83,9 @@ def identify(request):
     :return: list
     """
     try:
+        authPassword = channel_conf(const.HTTP).get('http_auth_password')
+        if (not authPassword):
+            return True
         if (request is None):
             return False
         authorization = request.cookies.get('Authorization')
diff --git a/channel/wechat/wechat_channel.py b/channel/wechat/wechat_channel.py
index f4a5585c..ac5cc2f1 100644
--- a/channel/wechat/wechat_channel.py
+++ b/channel/wechat/wechat_channel.py
@@ -40,11 +40,19 @@ def __init__(self):
 
     def startup(self):
         # login by scan QRCode
-        itchat.auto_login(enableCmdQR=2, hotReload=True)
+        if (channel_conf_val(const.WECHAT, 'receive_qrcode_api')):
+            itchat.auto_login(enableCmdQR=2, hotReload=True, qrCallback=self.login)
+        else:
+            itchat.auto_login(enableCmdQR=2, hotReload=True)
 
         # start message listener
         itchat.run()
 
+    def login(self, uuid=None, status='0', qrcode=None):
+        print('uuid:', uuid)
+        print('status:', status)
+        # 请将链接转发到外部接口，并在外部自行通过二维码生成库将链接转换为二维码后展示，例如：将下方的 qrcode_link 通过草料二维码进行处理后，再通过手机端扫码登录微信小号
+        print('qrcode_link:', 'https://login.weixin.qq.com/l/'+uuid)
 
     def handle(self, msg):
         logger.debug("[WX]receive msg: " + json.dumps(msg, ensure_ascii=False))
diff --git a/config-template.json b/config-template.json
index dba7214c..1517abbf 100644
--- a/config-template.json
+++ b/config-template.json
@@ -13,7 +13,7 @@
       "cookie": "YOUR COOKIE"
     },
     "bing":{
-        "cookies":[]
+      "cookies":[]
     }
   },
   "channel": {
@@ -28,6 +28,7 @@
     },
 
     "wechat": {
+      "receive_qrcode_api": ""
     },
 
     "wechat_mp": {
diff --git a/fix-itchat.sh b/fix-itchat.sh
new file mode 100755
index 00000000..3d02fe0c
--- /dev/null
+++ b/fix-itchat.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+set -x
+
+# @see https://stackoverflow.com/questions/30003570/how-to-use-gnu-sed-on-mac-os-10-10-brew-install-default-names-no-longer-su
+# @see https://www.cnblogs.com/fnlingnzb-learner/p/10657285.html
+cmd=sed
+if [ "$(uname)" == "Darwin" ];then
+  brew install gnu-sed
+  cmd=gsed
+fi
+
+echo "current sed command is: $cmd"
+
+pack_dir="$(pip3 show itchat-uos | grep "Location" | awk '{print $2}')"
+file_name="${pack_dir}/itchat/components/login.py"
+
+sleep15Code="time.sleep(15)"
+
+cat $file_name | grep $sleep15Code
+
+if [ "$?" != "0" ];then
+  echo "fix $sleep15Code"
+  $cmd -i "/while not isLoggedIn/i\        $sleep15Code" $file_name
+else
+  echo "already fix $sleep15Code"
+fi
+
+sleep3Code="time.sleep(3)"
+
+cat $file_name | grep $sleep3Code
+
+if [ "$?" != "0" ];then
+  echo "fix $sleep3Code"
+  $cmd -i "s/elif status != '408'/elif status in ['408', '400']/" $file_name
+  $cmd -i "/if isLoggedIn:/i\            time.sleep(3)" $file_name
+else
+  echo "already fix $sleep3Code"
+fi