string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E5%90%84%E7%A7%91%E5%8F%8A%E6%A0%BC%E5%88%86%E6%95%B0 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
一造各科及格分数
