string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AC%94%E8%AE%B0%E6%9C%AC%E5%85%B3%E6%9C%BA%E6%97%B6%E9%9C%80%E8%A6%81%E6%8B%94%E7%94%B5%E6%BA%90%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
笔记本关机时需要拔电源吗
