playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u7ecf\u5178\u8001\u6b4c\u7231\u7684\u592a\u6c89\u9189\u97f3\u4e50\u4e32\u70e7.m4a';