playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u6e05\u8fdcDj\u5fb7\u4ed4\u4e2d\u6587\u56fd\u7ca4\u8bed\u5b9e\u7528\u5305\u623f\u4e32\u70e7.m4a';