string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%80%81%E7%A4%BC%E8%AF%B4%E4%BB%80%E4%B9%88%E5%AE%A2%E5%A5%97%E8%AF%9D%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
送礼说什么客套话好一点
