playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u5361\u54c7\u6f6e\u996e\u5168\u4e2d\u6587\u4f24\u611f\u52b2\u7206\u4e32\u70e7.m4a';