playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u4e09\u6b65\u8e29-\u7b49\u5f85\u4f60\u7684\u7231-\u674e\u7ea2-\u9999\u6a1f\u6811..m4a';