string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=raw%E9%9C%80%E8%A6%81%E7%94%A8%E4%BB%80%E4%B9%88%E8%BD%AF%E4%BB%B6%E7%9C%8B => Failed to connect to 101.89.117.144 port 38022: Connection refused"
raw需要用什么软件看
