The request requires user authentication. The re o e MUST include a WWW-Authenticate header field (section 14.46) containing a challenge a licable to the requested resource. The client MAY repeat the request with a suitable Authorization header field (section 14.8). If the request already included Authorization credentials, then the 401 re o e indicates that authorization has been refused for those credentials. If the 401 re o e contai the same challenge as the prior re o e, and the user agent has already attempted authentication at least once, then the user SHOULD be presented the entity that was given in the re o e, since that entity MAY include relevant diagnostic information. HTTP acce authentication is explained in section 11.Copyright 1998 – 2011 Tencent. All Rights Reserved.
在上方输入您感兴趣的知识，点击搜索***后，下方将出现您感兴趣的问题列表。
进入任一您感兴趣的问题查看，点选其满意***处的4个评价按钮之一，即可完成对该满意***的评价。Copyright 1998 – 2011 Tencent. All Rights Reserved.
在上方输入您感兴趣的知识，点击搜索***后，下方将出现您感兴趣的问题列表。
进入任一您感兴趣的问题查看，点选其满意***处的4个评价按钮之一，即可完成对该满意***的评价。