function test() { // s = a(n.token + "&" + i + "&" + r + "&" + t.data) var token = "36cf6e2437097843b0c2671005d480aa" var i = '1478745430781' var r = '12574478' var data = '{"app":"tlive","sourceId":"900acac6-0d83-4b8a-9d26-dca8e9336ca9","type":1,"timeStamp":1477488912630,"id":"200216664"}' var s = sign(token + "&" + i + "&" + r + "&" + data) // s=50985d6f8f00c9cbb2fb7c5a98f3008a var tt = 'e7648eaf00c07e744ffe27e1ae37db5f_1478764995915&1478763990723&12574478&{"app":"tlive","sourceId":"900acac6-0d83-4b8a-9d26-dca8e9336ca9","type":1,"direction":0,"timeStamp":1477485240775,"id":199720496,"count":20,"includeCommentCount":true}' var aa = '7e666c912e7a55abe5010f804722d5a5&1478748652065&12574478&{"app":"tlive","sourceId":"900acac6-0d83-4b8a-9d26-dca8e9336ca9","type":1,"timeStamp":1477484451253,"id":"199686181"}' var ss = sign(aa) console.log(ss) // 22ed6f6eaa5334f70b3a9ac66e1b33f6 '7e666c912e7a55abe5010f804722d5a5&1478756923699&12574478&{"app":"tlive","sourceId":"900acac6-0d83-4b8a-9d26-dca8e9336ca9","type":1,"timeStamp":1477485727641,"id":"199770637"}' }