string(285) "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%85%AC%E7%94%A8%E5%B7%A5%E7%A8%8B%E5%A4%9A%E5%B0%91%E5%88%86%E5%8F%8A%E6%A0%BC => Failed to connect to 101.89.117.144 port 38056: Connection refused"
二建市政公用工程多少分及格
