WeChat page after authorization, introduced to the code, to obtain the corresponding information such as openid, then go to according to the state of the user to judge jump to different third party page, before also can jump in the past, since each connected to the Internet all have to get a network through the tool of the url, and then through the phone WeChat to jump back to redirect type String: url String, and not jump to the corresponding page, but to copy the url to the Google is able to access to a specific page, this is how did that happen?