playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/DJYYY\u821e\u66f2\u7f51\u6781\u54c1\u4e2d\u6587\u56fd\u7ca4\u8bed\u52b2\u7206\u4e32\u70e7.m4a';