string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E5%8D%961%E4%B8%87%E5%85%83%E8%82%A1%E7%A5%A8%E6%89%8B%E7%BB%AD%E8%B4%B9 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
买卖1万元股票手续费
