diff --git a/conf/local_settings.py b/conf/local_settings.py
index 58746a1..f864d81 100644
--- a/conf/local_settings.py
+++ b/conf/local_settings.py
@@ -7,7 +7,8 @@
 # AD主机，可以是IP或主机域名，例如可以是: abc.com或172.16.122.1
 AD_HOST = r'修改成自己的'
 
-# AD域控的DOMAIN名，例如：abc
+# AD域控的DOMAIN，例如：比如你的域名是abc.com，那么这里的AD_DOMAIN就是：abc
+# NTLM认证必须是domain\username
 AD_DOMAIN = r'修改成自己的'
 
 # 用于登录AD做用户信息处理的账号，需要有修改用户账号密码或信息的权限。
diff --git a/utils/ad_ops.py b/utils/ad_ops.py
index 47d84a6..a0a28ff 100644
--- a/utils/ad_ops.py
+++ b/utils/ad_ops.py
@@ -45,7 +45,8 @@ class AdOps(object):
         """
         self.use_ssl = use_ssl
         self.port = port
-        self.domain = domain
+        # 如果doamin\\user中doamin部分被写成域名格式， 只提取DOMAIN部分
+        self.domain = domain.split('.')[0] if domain is not None else None
         self.user = user
         self.password = password
         self.authentication = authentication