string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BF%83%E7%83%A6%E5%BF%83%E7%B4%AF%E7%9A%84%E8%AF%B4%E8%AF%B4%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
心烦心累的说说怎么写
