string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%B8%82%E6%94%BF%E5%81%9A%E7%9C%9F%E9%A2%98%E6%9C%89%E7%94%A8%E5%90%97 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
二建市政做真题有用吗
