playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u591c\u5e97\u6f6e\u724c\u65f6\u5c1a\u70ed\u64ad\u699c\u5355\u7535\u97f3\u4e3b\u9898\u6d3e\u5bf9.m4a';