string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BB%BA%E6%A1%A3%E7%AB%8B%E5%8D%A1%E5%88%86%E4%B8%89%E7%B1%BB => Failed to connect to 101.89.159.206 port 38075: Connection refused"
建档立卡分三类
