string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B1%E8%AF%AD%E4%BA%8C%E8%80%83%E7%A0%94%E5%9B%BD%E5%AE%B6%E7%BA%BF%E6%B1%87%E6%80%BB => Failed to connect to 61.171.74.35 port 38041: Connection refused"
英语二考研国家线汇总
