playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u7cbe\u9009\u7ecf\u5178\u73cd\u85cf\u5546\u4e1a\u7535\u5b50\u5957\u66f2.m4a';