string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E7%AD%94%E6%A1%88%E5%86%99%E9%94%99%E4%BD%8D%E7%BD%AE%E4%BA%86 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
一建答案写错位置了
