日期	单位净值
2017-05-26	0.9999
2017-05-19	0.9999
2017-05-12	0.9999
2017-05-05	0.9999
2017-04-28	0.9999
2017-04-21	0.9999
2017-04-14	0.9999
2017-04-07	0.9999
2017-03-31	0.9999
2017-03-24	0.9999
2017-03-17	0.9999
2017-03-10	0.9999