string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%8F%E8%81%94%E4%B8%BA%E4%BB%80%E4%B9%88%E6%8C%96%E5%88%B012263%E7%B1%B3%E5%B0%B1%E4%B8%8D%E6%95%A2%E6%8C%96%E4%BA%86 => Received HTTP code 403 from proxy after CONNECT"
苏联为什么挖到12263米就不敢挖了
