playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u591c\u5e972017\u5168\u65b0\u9876\u7ea7\u7535\u97f3\u8f66\u8f7d\u6162\u6447.m4a';