playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u6700\u65b0DJ\u62e5\u62b1\u7740\u4f60\u79bb\u53bb\u597d\u542c\u7684\u8f66\u8f7d.m4a';