string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B1%9F%E8%8B%8F%E4%BA%8C%E5%BB%BA%E6%B0%B4%E5%88%A9%E5%8F%8A%E6%A0%BC%E5%88%86%E6%95%B0%E7%BA%BF => Failed to connect to 14.18.117.71 port 38164: Connection refused"
江苏二建水利及格分数线
