string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%9B%E5%B7%9D%E4%BA%8C%E5%BB%BA%E6%88%90%E7%BB%A9%E5%90%88%E6%A0%BC%E5%88%86%E6%95%B0%E7%BA%BF => Failed to connect to 101.89.143.195 port 38109: Connection refused"
四川二建成绩合格分数线
