string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2000%E5%8E%9F%E5%A7%8B%E8%82%A1%E4%BB%BD%E6%98%AF%E5%A4%9A%E5%B0%91 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
2000原始股份是多少
