playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u4f24\u611f\u6765\u88ad\u6c7d\u8f66\u84dd\u8c03Rnb\u78c1\u6027\u53d1\u70e7\u5973\u58f0.m4a';