string(240) "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%E5%B8%82%E6%94%BF%E9%A2%98%E7%9B%AE%E7%B1%BB%E5%9E%8B => Failed to connect to 125.88.227.171 port 38114: Connection refused"
一建市政题目类型
