playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u6296\u97f3\u70ed\u64ad\u7f51\u7edc\u795e\u66f2\u4e2d\u6587\u549a\u9f13\u4e32\u70e7.m4a';