string(276) "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%A6%81%E5%87%A0%E7%82%B9%E5%89%8D%E8%B5%8E%E5%9B%9E%E6%89%8D%E7%AE%97%E6%88%90%E5%8A%9F => Failed to connect to 101.89.159.206 port 38100: Connection refused"
基金要几点前赎回才算成功
