playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u591c\u5e97\u5df4\u8d5b\u9152\u5427\u51cc\u6668\u4e0b\u534a\u573a\u8df3\u821e\u6447\u6446\u4e32\u70e7.m4a';