playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u6700\u65b0\u56fd\u8bed\u7ecf\u5178\u518d\u7eed\u8f66\u8f7d\u5fc5\u5907\u821e\u66f2.m4a';