string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E6%97%B6%E9%97%B4%E5%8F%AF%E4%BB%A5%E5%81%9A%E7%82%B9%E4%BB%80%E4%B9%88%E8%B5%9A%E9%92%B1 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
有时间可以做点什么赚钱
