string(256) "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%BB%BA%E7%AD%91%E7%B1%BB%E7%9C%9F%E9%A2%98%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 61.171.74.35 port 38041: Connection refused"
二建建筑类真题有哪些
