playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u8d85\u901f200\u7801\u98da\u8f66\u7ecf\u5178\u97f3\u4e50\u4f60\u662f\u8d8a\u542c\u8d8a\u55e8.m4a';