playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u55e8\u5ba2\u738b\u671d\u5348\u591c\u8d85\u5f3a\u5f39\u8df3\u65cb\u5f8b\u4e32\u70e7.m4a';