playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u4e2d\u56db-\u4e00\u8f88\u5b50\u5b88\u62a4\u4f60-\u661f\u6708\u7ec4\u5408-\u7537\u58f0.m4a';