string(245) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%9E%E5%85%AC%E8%BD%AF%E4%BB%B6%E9%99%A4%E4%BA%86office%E8%BF%98%E6%9C%89%E4%BB%80%E4%B9%88 => Received HTTP code 403 from proxy after CONNECT"
办公软件除了office还有什么
