playurl = 'https://oo.haiqu.vip:2266/mc\/2018\/01\/20180717\/MC\u963f\u54f2-\u4f60\u8bf4\u4f60\u6562\u4e0d\u6562\u4e0e\u6211\u76f8\u7231\u5230\u6c38\u8fdc.m4a';