string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%89%8D%E8%83%BD%E5%86%99%E5%87%BA%E7%88%86%E6%96%87 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
怎么才能写出爆文
