playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u591c\u5e97\u51cc\u6668\u8bf4\u5531\u7cbe\u9009\u8d85\u52b2\u7535\u97f3\u6162\u6447\u4e32\u70e7.m4a';