Array
(
    [0] => http://api-server-corpus1.zhan.com/ielts-ques-group/ques
    [1] => Array
        (
            [group_id] => 2880
            [status] => 1
            [app_id] => beikao
            [sign] => 9ca54526eecf85616754caa23d82456e
        )

    [2] => Array
        (
        )

)