string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%A0%E5%B9%B2%E8%BF%87%E4%BB%80%E4%B9%88%E5%88%AB%E4%BA%BA%E6%B2%A1%E5%B9%B2%E8%BF%87%E7%9A%84%E4%BA%8B => Failed to connect to 101.89.143.195 port 38175: Connection refused"
你干过什么别人没干过的事
