string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%8B%E5%8F%8B%E8%B6%8A%E8%B5%B0%E8%B6%8A%E8%BF%9C => Failed to connect to 14.18.117.71 port 38133: Connection refused"
为什么朋友越走越远
