说明：  WiFi Protected Setup (WPS) 又叫Simple config。 是无线局域网领域推出的新协议，用来方便安全地建立 无线连接。该文档是Wifi联盟的官方协议规范，是实现 WPS协议的基础。
(WiFi Protected Setup (WPS) also known as Simple config. The field of wireless local area network is a new protocol that is used to facilitate the establishment of secure wireless connection. Wifi Union of the document is the official protocol specification, WPS is to achieve agreement.)