playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u591c\u5e97\u8d85\u7ea7\u6781\u54c1\u5f3a\u52b2\u79c1\u8d27\u7535\u97f3\u821e\u66f2\u4e32\u70e7.m4a';