string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%96%E6%8E%8910000%E5%85%83%E8%82%A1%E7%A5%A8%E8%A6%81%E4%BA%A4%E5%A4%9A%E5%B0%91%E8%B4%B9%E7%94%A8 => Received HTTP code 403 from proxy after CONNECT"
卖掉10000元股票要交多少费用
