string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BD%BB%E5%BA%95%E5%88%A0%E9%99%A4%E5%92%8C%E9%80%BB%E8%BE%91%E5%88%A0%E9%99%A4%E4%B8%80%E6%A0%B7%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
彻底删除和逻辑删除一样吗
