string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%B4%AD%E4%B9%B0%E5%8E%9F%E5%A7%8B%E8%82%A1%E4%B8%8A%E5%B8%82%E5%90%8E%E5%8F%AF%E6%8A%9B%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
购买原始股上市后可抛吗
