string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E7%AE%A1%E7%90%86%E5%81%9A%E5%8E%86%E5%B9%B4%E7%9C%9F%E9%A2%98%E7%AE%A1%E7%94%A8%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
一建管理做历年真题管用吗
