playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u6e5b\u6c5fDJ\u8c22\u5c11\u4e03\u5915\u4f60\u5c31\u662f\u6211\u6700\u60f3\u8981\u7684\u4e2b\u5934.m4a';