服务器请求和响应不需要匹配用户操作，例如一个更新数据库记录的请求和一个更新成功的响应。

It is not necessary to have server requests and responses coincide with user actions, such as a request for an update to a database record and a response that the update was successful.

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身份验证服务器(kaserver)—负责维护身份验证数据库，以便使用它对用户进行身份验证，并使用身份验证票响应成功通过验证的客户端。

Authentication server (kaserver) - Maintains authentication database that it USES to authenticate users and responds successful clients with authentication tickets.

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只有在请求确实成功了而且返回的数据就是期望的数据的情况下，才应该发送回http响应码200，必须确保这一点。

Make sure an HTTP 200 response is sent back if and only if the response was successful and the returned data is the expected one.

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