playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u9633\u6c5fDJ\u6743\u4ed4\u5b9d\u9a6cBMW\u8f66\u8f7d\u7ca4\u8bed\u7eaf\u97f3HIFI\u97f3\u4e50.m4a';