string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8D%A1%E5%88%B0%E4%B8%80%E4%B8%AA%E6%B5%81%E6%B5%AA%E7%8B%97%E6%80%8E%E4%B9%88%E5%8A%9E%E5%91%A2 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
捡到一个流浪狗怎么办呢
