string(258) "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%B0%B1%E5%88%B7%E7%9C%9F%E9%A2%98%E8%A1%8C%E5%90%97 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
一建管理就刷真题行吗
