string(358) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%86%E8%A7%A3%E4%B8%80%E4%B8%AA%E5%88%9B%E4%B8%9A%E5%A4%B1%E8%B4%A5%E7%9A%84%E6%A1%88%E4%BE%8B%2C%E5%88%86%E6%9E%90%E5%88%9B%E4%B8%9A%E8%80%85%E5%A4%B1%E8%B4%A5%E7%9A%84%E5%8E%9F%E5%9B%A0 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
了解一个创业失败的案例,分析创业者失败的原因
