playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u591c\u5e97\u7cbe\u9009\u8461\u8404\u7259\u597d\u542c\u7684\u821e\u66f2\u4e32\u70e7.m4a';