string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E6%9C%AC%E4%BA%BA%E6%9C%89%E8%B5%84%E9%87%91%E5%AF%BB%E6%B1%82%E5%90%88%E4%BD%9C => Failed to connect to 14.116.215.7 port 38230: Connection refused"
2021年本人有资金寻求合作
