string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=a%E8%82%A11%E4%B8%87%E5%85%83%E6%89%8B%E7%BB%AD%E8%B4%B9%E5%A4%9A%E5%B0%91%E5%95%8A => Failed to connect to 14.18.117.71 port 38133: Connection refused"
a股1万元手续费多少啊
