playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u6700\u706b\u6700\u7ea2\u6700\u597d\u542c\u7684\u524d\u4efb3\u4f53\u9762\u549a\u9f13.m4a';