string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%8F%E5%9F%8E%E5%B8%82%E9%80%82%E5%90%88%E5%88%9B%E4%B8%9A%E5%90%97 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
小城市适合创业吗
