playurl = 'https://oo.haiqu.vip:2266/mc\/2018\/01\/20180717\/MC\u67ef\u9547\u6076-\u7231\u60c5\u8d70\u4e86\u5c31\u518d\u4e5f\u6ca1\u6709\u56de\u6765\u8fc7.m4a';