string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%A4%E4%B8%AAc%E7%9A%84%E7%89%8C%E5%AD%90%E5%8F%AB%E5%95%A5%E5%90%8D%E5%AD%97%E5%A5%BD%E5%90%AC => Failed to connect to 101.91.112.32 port 38162: Connection refused"
两个c的牌子叫啥名字好听
