string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=raw%E7%9A%84%E6%96%87%E4%BB%B6%E6%80%8E%E4%B9%88%E6%89%93%E5%BC%80%E7%9C%8B%E4%B8%8D%E4%BA%86 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
raw的文件怎么打开看不了
