playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u82f1\u5fb7Dj\u4f1f\u4ed4\u7cbe\u9009\u7ecf\u5178\u6000\u65e7\u975e\u5e38\u4e0d\u9519\u7684\u82f1\u6587\u4e32\u70e7.m4a';