string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BA%A2%E6%9D%89%E8%B5%84%E6%9C%AC%E7%9A%84%E5%88%9B%E5%A7%8B%E4%BA%BA%E6%98%AF%E5%93%AA%E9%87%8C%E4%BA%BA => Failed to connect to 101.89.143.195 port 38109: Connection refused"
红杉资本的创始人是哪里人
