playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u6700\u65b0\u7cbe\u54c1\u4e2d\u6587\u51c9\u51c9\u4e00\u751f\u6240\u7231\u6292\u60c5\u4e32\u70e7.m4a';