playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u5317\u4eac\u5de5\u4f53\u975e\u5e38\u4e0d\u9519\u7684\u8f66\u8f7d\u821e\u66f2\u4e32\u70e7.m4a';