string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E6%9B%B9%E6%98%8E%E9%93%AD%E8%AE%B2%E5%BE%97%E5%A5%BD%E5%90%97 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
二建曹明铭讲得好吗
