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%E6%98%AF%E5%BD%93%E5%A4%A9%E8%BF%98%E6%98%AF%E9%9A%94%E5%A4%A9%E4%B9%B0 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
基金赎回是当天还是隔天买
