playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u591c\u5e97\u4e3b\u6253\u7b2c\u4e00\u699c\u5355\u73cd\u85cf\u6781\u54c1\u7535\u97f3\u821e\u66f2.m4a';