playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u56fd\u5916\u82f1\u6587\u52a0\u901f\u5973\u5531\u52b2\u62a5\u6447\u5934\u7cbe\u9009\u4e32\u70e7.m4a';