playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u5409\u7279\u5df4-\u767e\u770b\u4e0d\u538c-\u8d3a\u4e16\u54f2-\u9648\u96c5\u68ee-\u4e1c\u65fa.m4a';