diff --git a/About Two-Factor Authentication 双因素认证.md b/About Two-Factor Authentication 双因素认证.md
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+About Two-Factor Authentication 双因素认证
+===========
+
+ 
+
+参考：[https://help.github.com/articles/about-two-factor-authentication/](https://help.github.com/articles/about-two-factor-authentication/)
diff --git a/What's the difference between user and organization accounts 用户和组织账户的不同点.md b/What's the difference between user and organization accounts 用户和组织账户的不同点.md
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--- a/What's the difference between user and organization accounts 用户和组织账户的不同点.md	
+++ b/What's the difference between user and organization accounts 用户和组织账户的不同点.md	
@@ -13,5 +13,21 @@ What's the difference between user and organization accounts 用户和组织账
 
 *参考*：[https://help.github.com/articles/what-s-the-difference-between-user-and-organization-accounts/](https://help.github.com/articles/what-s-the-difference-between-user-and-organization-accounts/)
 
-*提示：由于个人用途和商业用途，可能会有一个以上的用户帐户，，但你只需要一个帐户。更多信息，见“[合并多个用户帐户]()”
-用户帐户的目的是为了服务人，但你可以给一个机器人，就像持续集成的幼虫，如果必要的话。*
\ No newline at end of file
+*提示：由于个人用途和商业用途，可能会有一个以上的用户帐户，，但你只需要一个帐户。更多信息，见“[合并多个用户帐户](https://github.com/waylau/github-help/blob/master/Merging%20multiple%20user%20accounts%20%E5%90%88%E5%B9%B6%E5%A4%9A%E4%B8%AA%E7%94%A8%E6%88%B7%E8%B4%A6%E5%8F%B7.md)”
+用户帐户的目的是为了服务人，但你可以给一个机器人，就像持续集成的幼虫，如果必要的话。*
+
+##Organizations 组织
+
+组织对大企业和大的开源项目来说很不错，需要多个所有者和管理员。他们包括：
+
+* 私人仓库的[业务计划](https://github.com/plans)
+* [基于团队的访问权限](https://github.com/waylau/github-help/blob/master/Permission%20levels%20for%20an%20organization%20repository%20%E7%BB%84%E7%BB%87%E5%BA%93%E7%9A%84%E6%9D%83%E9%99%90%E7%BA%A7%E5%88%AB.md)
+* 无限的所有者，管理者和以[团队形式](https://github.com/waylau/github-help/blob/master/Adding%20or%20inviting%20members%20to%20a%20team%20in%20an%20organization%20%E6%B7%BB%E5%8A%A0%E6%88%96%E9%82%80%E8%AF%B7%E7%BB%84%E7%BB%87%E6%88%90%E5%91%98%E5%88%B0%E4%B8%80%E4%B8%AA%E5%9B%A2%E9%98%9F%E4%B8%AD.md)的合作者
+* 计费凭证可以发送到第二个电子邮件地址
+* 所有者团队访问组织成员的[双因素认证（2FA）状态]（）
+
+##Further reading
+
+Signing up for a new GitHub account
+
+Creating a new organization account