string(242) "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%E7%AE%A1%E7%90%86%E7%AD%94%E6%A1%882022%E8%A1%A5%E8%80%83 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
一造管理答案2022补考
