string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E5%9B%9E%E7%AD%94%E9%80%81%E7%A4%BC%E7%9A%84%E7%AD%94%E8%B0%A2 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
怎么回答送礼的答谢
