string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E5%B9%B4%E4%B8%80%E9%80%A0%E8%AE%A1%E4%BB%B7%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
2020年一造计价真题
