string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E6%A8%A1%E6%8B%9F%E9%A2%9870%E5%A4%9A%E5%88%86%E8%83%BD%E8%80%83%E8%BF%87%E5%90%97 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
一造模拟题70多分能考过吗
