playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5b9d\u9a6c760\u5929\u7c41\u7eaf\u97f3\u8f66\u8f7d\u6292\u60c5\u97f3\u4e50\u4e32\u70e7.m4a';