string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%BF%9B%E8%A1%8C%E9%80%BB%E8%BE%91%E5%88%A0%E9%99%A4 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
如何进行逻辑删除
