string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%80%BB%E8%BE%91%E5%88%A0%E9%99%A4%E5%8F%AF%E4%BB%A5%E6%81%A2%E5%A4%8D%E5%90%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
逻辑删除可以恢复吗
