playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u591c\u5e97\u6700\u65b0\u9152\u5427\u82f1\u6587\u6df7\u97f3\u4e32\u70e7.m4a';