string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%B5%8E%E5%9B%9E%E5%9F%BA%E9%87%91%E6%98%AF%E5%BD%93%E5%A4%A9%E7%9A%84%E6%94%B6%E7%9B%98%E4%BB%B7%E5%90%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
赎回基金是当天的收盘价吗
