string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%9B%84%E9%BB%84%E9%85%92%E5%8A%A0%E7%83%AD%E6%9C%89%E6%AF%92%E5%90%97 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
雄黄酒加热有毒吗
