playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u5e7f\u573a\u821e-\u4e0d\u6015\u6ca1\u4eba\u7231-\u5b59\u6653\u96e8-\u5f00\u5fc3\u5c31\u597d.m4a';