playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u6211\u4eec\u6765\u4e00\u8d77\u8f66\u9707\u6700\u7f8e\u65c5\u884c\u91cd\u4f4e\u97f3\u6162\u6447.m4a';