string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9C%A8%E5%AE%BF%E8%88%8D%E5%8F%AF%E4%BB%A5%E5%B9%B2%E5%95%A5%E5%91%A2 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
在宿舍可以干啥呢
