playurl = 'https://oo.haiqu.vip:2266/zw\/2018\/01\/20180717\/\u9093\u7d2b\u68cb-\u6765\u81ea\u5929\u5802\u7684\u9b54\u9b3c-\u73e0\u6d77DjPad\u4ed4 BB.m4a';