playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u6162\u56db-\u5fd8\u8bb0\u4f60\u8fd8\u9700\u8981\u591a\u4e45-\u8c2d\u8273-\u4e1c\u65fa.m4a';