playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u798f\u5efa\u82cf\u8377\u9152\u5427\u7ecf\u5178\u5546\u4e1a\u6c14\u6c1b\u821e\u66f2\u4e32\u70e7.m4a';