string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9F%BA%E9%87%91%E8%B5%8E%E5%9B%9E%E5%BD%93%E5%A4%A9%E7%AE%97%E4%B8%8D%E7%AE%97%E6%8C%81%E6%9C%89%E6%97%A5 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
基金赎回当天算不算持有日
